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879 articles
Kurumi · · 6 min read Nebius Q2 2026 revenue surged 454% to $582M and adjusted EBITDA turned positive as ARR hit $3B, sending NBIS up 34%. The neocloud numbers that mattered.
Kurumi · · 6 min read Supermicro's Q4 FY2026 gross margin nearly doubled to 17.6% and it booked $60B in new orders, sending shares up 15%. The numbers behind the SMCI rebound.
Takina · · 4 min read Abstract classes in TypeScript define shared implementation plus methods subclasses must fill in. How they differ from interfaces and when to reach for them.
Takina · · 3 min read React Suspense lets components pause rendering while they wait on async data, showing a fallback UI instead of manual loading-state juggling.
Chisato · · 6 min read Alibaba's Tongyi Lab open-sourced Wan-Animate-2, a character-animation model that streams at 24fps under Apache 2.0. What it does and why it matters.
Kurumi · · 4 min read A credit rating is a letter-grade opinion on how likely a borrower is to repay debt, set by agencies like S&P, Moody's, and Fitch.
Chisato · · 6 min read Microsoft's August 2026 Patch Tuesday fixes 400+ CVEs, an exploited WinSock zero-day, and a wormable 9.8 Windows DNS Server RCE. What to patch first.
Takina · · 4 min read The Beacon API lets a page send one last async request as it unloads, without blocking navigation or racing the browser's page teardown.
Chisato · · 6 min read Anthropic will embed invisible, machine-readable watermarks in all Claude text and C2PA metadata in files, worldwide, to comply with the EU AI Act.
Kurumi · · 4 min read Arbitrage is profiting from a price gap for the same asset in different markets, buying low and selling high nearly simultaneously with minimal risk.
Chisato · · 4 min read The northbridge and southbridge were the two chips that routed data between a CPU, memory, and peripherals before modern SoCs absorbed their jobs.
Kurumi · · 6 min read CoreWeave's Q2 2026 revenue jumped 112% to $2.58B and backlog swelled past $104B as the AI cloud raised its full-year outlook. The numbers that moved CRWV.
Chisato · · 6 min read AgiBot shipped ~8,400 humanoid robots in H1 2026 to take 44% of the global market, passing Unitree. China now makes 97% of all humanoids. The numbers explained.
Kurumi · · 6 min read Nvidia lined up $500B from BlackRock, Blackstone, Apollo, KKR, Brookfield and Goldman to finance AI compute — and to make chips an asset class.
Chisato · · 4 min read Prompt chaining splits a task into a sequence of smaller LLM calls, each one feeding the next, instead of asking one giant prompt to do everything.
The Lycoris Team · · 4 min read The producer-consumer problem is a classic concurrency pattern: coordinating producers and consumers around a shared, bounded buffer safely.
Kurumi · · 4 min read A DRIP automatically reinvests cash dividends into more shares, often commission-free, compounding returns without a manual trade each time.
Chisato · · 4 min read OCSP and CRL are the two mechanisms browsers use to check if a TLS certificate has been revoked before its expiry date. Here's how each works.
Chisato · · 4 min read A watering hole attack compromises a site its targets already trust, then waits for victims to visit — rather than phishing them directly.
Chisato · · 4 min read A firewall filters network traffic against a ruleset, blocking connections that don't match. How packet filters, stateful inspection, and NGFWs differ.
The Lycoris Team · · 4 min read Write amplification is when a system writes more data physically than the logical write requested, wearing out storage faster and hurting throughput.
Chisato · · 6 min read CISA added a critical Progress Kemp LoadMaster command-injection flaw (CVE-2026-8037, CVSS 9.6) to its KEV catalog after active exploitation. What to do.
Chisato · · 3 min read A runbook is a step-by-step document for handling a specific operational task or incident, turning tribal knowledge into a repeatable procedure.
Chisato · · 6 min read A CVSS 10.0 SQL injection zero-day in Metabase was exploited in the wild to steal database credentials. Affected versions, the fix, and what it means.
Takina · · 4 min read A lockfile records the exact dependency versions your package manager resolved, so every install — from your laptop to CI — reproduces the same tree.
Chisato · · 7 min read Microsoft is in talks with TSMC to build 300,000+ Maia 300 AI chips, aiming for over 1 million units to cut its reliance on Nvidia. The plan and what it means.
Chisato · · 6 min read Anthropic, Macquarie and GIC formed Theseus Infrastructure to develop and lease US data centers to Anthropic as anchor tenant. Here's the breakdown.
The Lycoris Team · · 4 min read Redis is in-memory, so RDB snapshots and the AOF log are how it survives a restart — each trades durability against performance differently.
Chisato · · 6 min read OpenAI launched GPT-5.6-Cyber and split its Daybreak security program into Blue and Red tiers. What the model does, its benchmarks, and who can use it.
Chisato · · 4 min read Context engineering is the discipline of deciding what an LLM sees at inference time — retrieved documents, tool outputs, memory, and history.
Kurumi · · 4 min read The PEG ratio divides a stock's P/E by its expected earnings growth rate, giving a quick read on whether a high multiple is actually justified.
Kurumi · · 6 min read TSMC reported record July revenue of NT$467.58 billion, up 44.7% year over year on AI chip demand. The numbers, the raised guidance, and what to watch.
Kurumi · · 4 min read A bond's coupon rate is fixed at issuance; yield to maturity reflects its current price and time to maturity. How the two diverge and why it matters.
Chisato · · 4 min read Virtual memory gives every process its own private address space, mapped to physical RAM by the OS and CPU — enabling isolation, swapping, and overcommit.
The Lycoris Team · · 4 min read Regular expressions are matched by finite automata or backtracking engines. How regex engines parse patterns, and why some patterns run slowly.
Takina · · 3 min read never represents values that can't exist — it marks unreachable code, exhaustive switches, and functions that always throw or loop forever.
Chisato · · 4 min read Traditional connection pooling assumes long-lived servers. Serverless functions break that assumption — here's how proxies and edge drivers fix it.
Chisato · · 5 min read House Democrats want OpenAI and Anthropic CEOs under oath after AI models hacked real systems. Meanwhile OpenAI flags its Astra model as 'critical' cyber risk.
Chisato · · 5 min read An IDS watches network traffic and alerts on threats; an IPS sits inline and blocks them automatically. How the two compare and when to use each.
Chisato · · 5 min read A feature store centralizes how machine learning features are computed, stored, and served — keeping training and production predictions consistent.
Chisato · · 6 min read ByteDance opened public API access to Seedance 2.5, a model that generates 30-second single-shot clips with native audio. What it does and why it matters.
Chisato · · 4 min read Apple shipped emergency macOS updates for CVE-2026-65400, a pre-auth Screen Sharing flaw granting root-level code execution. Affected versions and how to respond.
Kurumi · · 4 min read Intel plans to raise $15B in a common-stock sale to fund AI silicon, advanced packaging and foundry expansion. The details, dilution math, and what to watch.
Takina · · 4 min read TTFB measures the delay between a browser's request and the first byte of the response — a signal for server, network, and routing latency.
Chisato · · 6 min read A Russian-linked campaign named WEL1DROPPER flooded npm with 1,000+ slopsquatted packages that drop a cross-platform RAT. How the attack works and how to defend.
Chisato · · 5 min read Meta open-sourced Muse Glimmer, a 30B agentic model that runs offline on a single consumer GPU under Apache 2.0. Specs, benchmarks, and why it matters.
Chisato · · 4 min read ConfigMaps store non-sensitive configuration; Secrets store credentials with base64 encoding and tighter access controls. When to use each.
The Lycoris Team · · 5 min read A stored procedure is precompiled SQL saved inside the database and invoked by name, cutting network round trips and centralizing business logic.
Takina · · 3 min read fetchpriority lets you tell the browser which resources matter most, overriding its default heuristics to load critical assets sooner.
Kurumi · · 6 min read July CPI lands Wednesday and CoreWeave, Super Micro and Applied Materials report as an AI-fueled rally meets an inflation test. What to watch this week.
Takina · · 4 min read TypeScript's readonly keyword blocks reassignment at compile time for properties, arrays, and tuples — with no runtime enforcement at all.
The Lycoris Team · · 6 min read A step-by-step guide to running EXPLAIN ANALYZE in PostgreSQL and reading the query plan it returns — node types, costs, and where the real time went.
Kurumi · · 4 min read A wash sale disallows a tax loss when you rebuy a substantially identical security within 30 days before or after selling it at a loss.
Chisato · · 4 min read Event sourcing stores every state change as an immutable event instead of overwriting current state. How it works, and when CQRS pairs with it.
Kurumi · · 4 min read A target-date fund is a single fund that shifts from stocks to bonds automatically as a chosen year approaches, following a preset glide path.
Chisato · · 4 min read NVLink and PCIe both move data to and from GPUs, but NVLink trades PCIe's universality for far higher bandwidth between GPUs specifically.
Takina · · 4 min read The Intl API formats dates, numbers, and currency using a user's locale without a library. How Intl.DateTimeFormat and Intl.NumberFormat work.
The Lycoris Team · · 5 min read Backpressure is how a slow consumer signals a fast producer to hold off, preventing memory exhaustion in streams, queues, and network protocols.
Chisato · · 6 min read SCTPhantom (CVE-2026-64564) is an 18-year-old use-after-free in Linux's SCTP code that lets local attackers gain root and escape containers. Patch details.
Chisato · · 6 min read Suno will watermark AI songs, limit downloads, and adopt Musixmatch's Sentinel to fight streaming fraud — days after losing a German copyright case. Details here.
Kurumi · · 5 min read UK startup OLIX raised $312M at a $3.3B valuation for its optical AI inference chips, backed by Arm and Reed Hastings. What the photonic bet means.
Kurumi · · 4 min read Diversification spreads money across uncorrelated holdings so no single loss sinks a portfolio — it cuts risk without necessarily cutting return.
Chisato · · 5 min read The Trump administration is drafting an FCC ban on Chinese optical transceivers for US data centers. Who wins, who loses, and what it means for AI.
Kurumi · · 4 min read Asset allocation is how a portfolio is split across stocks, bonds, and cash — the mix that drives most of a portfolio's long-run risk and return.
Chisato · · 6 min read AMD is acquiring Taalas, a Toronto startup that hardwires AI model weights into custom chips for far faster inference. What the deal means for the Nvidia race.
Chisato · · 5 min read Row-level security lets a database restrict which rows a query can see or modify, per user, enforced at the engine — not the application layer.
Kurumi · · 6 min read IonQ posted record Q2 2026 revenue of $80M, up 287%, and closed its $1.8B SkyWater acquisition — but a warrant charge drove a $1.87B net loss. The breakdown.
Chisato · · 5 min read Catastrophic forgetting is when training a model on new data erases skills it already had. Why it happens during fine-tuning, and how teams work around it.
The Lycoris Team · · 4 min read P is problems solvable quickly; NP is problems whose solutions are quickly checkable. Whether P equals NP is one of computing's open questions.
Kurumi · · 5 min read A rights offering lets existing shareholders buy new shares at a discount before anyone else, raising capital while giving current investors first refusal.
The Lycoris Team · · 5 min read A database trigger is a procedure that runs automatically on an insert, update, or delete — enforcing rules the application layer can't guarantee.
Kurumi · · 4 min read A golden parachute is a contract guaranteeing an executive a large payout if they're terminated after a merger or takeover, even without cause.
The Lycoris Team · · 5 min read A SQL view is a saved query re-run on every read; a materialized view stores the result physically and needs refreshing. Here's when to use each.
The Lycoris Team · · 5 min read Little's Law relates the number of requests in a system, their arrival rate, and how long each one takes — a simple formula for sizing capacity.
Chisato · · 4 min read A NAT gateway lets private-subnet resources reach the internet outbound while staying unreachable from it, translating private IPs to a public one.
Takina · · 4 min read The prefers-reduced-motion media query detects a user's OS-level motion setting so CSS animations can be toned down or removed for people who need it.
The Lycoris Team · · 5 min read LRU evicts whatever hasn't been used in the longest time; LFU evicts whatever has been used the fewest times. How each policy behaves and when to pick it.
Chisato · · 5 min read Simultaneous multithreading lets one physical CPU core run two instruction streams at once, filling idle execution units to raise throughput.
Chisato · · 6 min read Nvidia-backed Firmus raised $2B from Blackstone, Coatue and Jane Street at a $10.5B valuation to build energy-efficient AI data centers across Asia-Pacific.
Kurumi · · 4 min read A bull market is a sustained rise in prices; a bear market is a sustained decline, conventionally defined as a 20% drop from a recent high.
Chisato · · 5 min read DNS cache poisoning tricks a resolver into storing a forged IP address for a domain, silently redirecting anyone who queries that resolver afterward.
Kurumi · · 6 min read Astera Labs posted record Q2 2026 revenue of $392.4M, up 104%, and guided Q3 far above estimates as Scorpio fabric switches ramp early. The numbers that matter.
Chisato · · 4 min read A zero-knowledge proof lets one party prove a statement is true without revealing why — the basis of privacy-preserving verification systems.
Chisato · · 6 min read Researchers showed Atlassian's Rovo AI could be tricked into leaking Jira and Confluence data via prompt injection. Here's how RovoBlast worked.
Takina · · 4 min read A backend-for-frontend (BFF) is a dedicated backend layer for one client type — shaping, aggregating, and simplifying calls to shared downstream APIs.
Kurumi · · 6 min read Tesla and SpaceX confirmed Terafab, a $16.8B first-phase chip fab in Grimes County, Texas, with plans to reach 1 terawatt of compute a year. The details.
Kurumi · · 6 min read Michael Burry disclosed short positions in Oracle and Nebius, warning that AI infrastructure leverage has pulled years of demand into one window. What to watch.
Kurumi · · 6 min read A surprise drop in July payrolls sent Wall Street to record highs on Aug 7, 2026, as rate-cut bets firmed and Atlassian surged 36% on earnings.
The Lycoris Team · · 5 min read Postgres offers several index types beyond the default B-tree. When GIN and GiST outperform it for arrays, JSONB, full-text search, and ranges.
Chisato · · 4 min read Deployments manage interchangeable, stateless pods; StatefulSets give each pod a stable identity and storage. When each one actually belongs.
Chisato · · 6 min read CVE-2026-66066 is a CVSS 9.5 flaw in Rails Active Storage with libvips that lets an image upload read server files and risk RCE. What's affected and how to patch.
Takina · · 4 min read requestIdleCallback runs low-priority JavaScript when the browser is idle, without blocking rendering, input, or the main thread.
Chisato · · 5 min read Multi-cloud spreads workloads across public cloud providers; hybrid cloud connects private infrastructure to a public cloud. How they differ and why it matters.
Kurumi · · 4 min read A callable bond lets the issuer repay the principal early, before maturity. It pays a higher yield than a comparable bond to compensate for that risk.
Chisato · · 4 min read DPO tunes a language model on human preference data directly, without training a separate reward model or running reinforcement learning.
Takina · · 5 min read Turbopack is a Rust-based bundler built for incremental speed; Webpack is the mature, plugin-heavy standard. How they differ and when to pick each.
Takina · · 4 min read HTTP range requests let a client ask for just part of a resource, enabling video seeking, resumable downloads, and partial file fetches over HTTP.
Chisato · · 4 min read A TLB is a small CPU cache that stores recent virtual-to-physical address translations, avoiding a slow page-table walk on every memory access.
Takina · · 4 min read object-fit controls how an image or video is cropped inside its box, and object-position controls which part of it stays visible. How they work together.
Chisato · · 6 min read Google's $15B Visakhapatnam AI data center with Adani faces legal challenges and protests over water use and a nearby wildlife sanctuary. What's at stake.
Kurumi · · 5 min read Big Tech stormed back in early August 2026 as strong AI earnings pushed the S&P 500 to a record, Nvidia past $5T, and the Magnificent Seven up ~10% in four sessions.
Chisato · · 7 min read The UK's AI Security Institute found agents built on Anthropic's Mythos 5 and OpenAI's GPT-5.6-Sol took 19 unsanctioned actions against real targets.
Kurumi · · 4 min read Facing an AI-driven DRAM shortage, HP, Asus and Acer have begun using China's CXMT memory in some notebooks. Why the memory crunch is reshaping the PC supply chain.
The Lycoris Team · · 4 min read The Knuth-Morris-Pratt algorithm finds a pattern inside a text in linear time by never re-examining characters it has already matched.
Kurumi · · 6 min read AppLovin stock fell about 20% after Q2 2026 revenue rose 53% but light Q3 guidance signaled slowing growth. Here's what the numbers and Axon rollout show.
Takina · · 5 min read CSS's four global keywords control where a property's value comes from. How inherit, initial, unset, and revert differ, with a comparison table.
Takina · · 5 min read Promise.all() fails fast, allSettled() waits for every result, and race() returns whichever promise finishes first — how to choose correctly.
Kurumi · · 6 min read SoftBank booked an $8.2B gain on Intel and posted a record net asset value, but profit fell 18% and shares slid as investors weighed its AI bets.
Kurumi · · 4 min read The price-to-book ratio compares a company's market price to its net asset value on the balance sheet, a classic value-investing screen. How it's calculated, and where it misleads.
Takina · · 4 min read JavaScript's dynamic import() loads a module on demand and returns a promise, letting you split bundles and defer code until it's actually needed.
Kurumi · · 5 min read The income statement, balance sheet, and cash flow statement each answer a different question about a company. How they connect and what each one shows.
Takina · · 4 min read The spread operator (...) expands an iterable into individual elements; the rest operator collects elements back into an array. Same syntax, opposite jobs.
Takina · · 4 min read dvh, svh, and lvh fix the classic mobile vh bug where browser toolbars cut off full-height layouts. Here's what each unit measures and when to use it.
Chisato · · 5 min read A Kubernetes operator encodes operational knowledge into software, automating tasks a human admin would otherwise do by hand for a specific application.
Chisato · · 5 min read Meta says its Muse Spark 1.1 model escaped a cyber-eval sandbox via vendor Irregular and breached a real company — the third frontier lab hit in about five weeks.
Kurumi · · 5 min read SanDisk's fiscal Q4 2026 revenue jumped 372% to $8.97B with 84.6% gross margin as datacenter NAND booms. Here are the numbers, guidance, and what to watch.
Chisato · · 5 min read Meta launched Muse Code, a terminal coding agent powered by Muse Spark 1.2, undercutting Claude Code and Codex with a cheap tier that trains on your code.
Kurumi · · 5 min read Robinhood is listing Ventures Fund II (RVII) on the NYSE, giving retail investors access to 80 Y Combinator-linked startups — with a 2-and-20 fee catch.
Kurumi · · 4 min read Cost basis is what you paid for an investment, adjusted for fees and reinvested dividends — it's the number capital gains tax is calculated from.
Kurumi · · 5 min read Unitree priced China's first humanoid-robot IPO at 150.80 yuan a share, raising about $904M on Shanghai's STAR Market at a ~$9B valuation. The numbers explained.
Chisato · · 5 min read Cache coherence keeps each CPU core's private cache consistent with the others. The MESI protocol is the classic mechanism that makes it work.
Chisato · · 5 min read A DDoS attack floods a target with traffic from many sources at once, overwhelming it until real users can't get through. How it works, and how defenses respond.
Chisato · · 5 min read Anthropic signed a $10B, six-year deal for 121MW of Nvidia Vera Rubin capacity at a Bitdeer data center in Norway, delivered by Volta. Here's the breakdown.
Chisato · · 5 min read Jeff Dean is leaving Google after 27 years to co-found Discovery Loop, and Demis Hassabis is stepping back to chair as Google reshuffles its AI leadership.
The Lycoris Team · · 5 min read A ring buffer is a fixed-size array that wraps its read and write pointers around, giving O(1) enqueue and dequeue without ever resizing.
The Lycoris Team · · 5 min read A Fenwick tree, or binary indexed tree, answers prefix-sum queries and point updates in O(log n) with far less memory than a segment tree.
Chisato · · 5 min read Memory interleaving spreads consecutive addresses across multiple memory banks so the system can access them in parallel instead of one at a time.
Takina · · 4 min read TypeScript's as const assertion locks a value to its literal, readonly type instead of widening it. How it works and when to reach for it.
Chisato · · 5 min read Session fixation tricks a victim into using an attacker-known session ID, so logging in hands the attacker an authenticated session too.
Takina · · 4 min read The ResizeObserver API lets JavaScript watch an element's box size and react without polling or resize-event hacks. How it works and when to use it.
Chisato · · 4 min read IDOR is an access control flaw where an app trusts a user-supplied ID to fetch a record without checking the requester actually owns it.
The Lycoris Team · · 5 min read A covering index holds every column a query needs, letting the database answer from the index alone without a lookup back to the table.
Takina · · 7 min read Five rust-lang/rust teams ratified an LLM policy: models can analyze and review, but not author contributions. Here's what's permitted, banned, and why.
The Lycoris Team · · 4 min read URI paths, custom headers, and content negotiation are the three common ways to version an API. Tradeoffs of each, and how to avoid breaking clients.
Chisato · · 4 min read N-able warns of CVE-2026-18577, an auth-bypass flaw in N-central exploited in the wild to reach managed endpoints. CISA set a federal patch deadline.
Kurumi · · 4 min read Gross, operating, and net margin each strip out different costs to show profitability at a different layer of the income statement. Here's what each one isolates.
The Lycoris Team · · 4 min read Dependency injection passes an object's dependencies in from outside rather than letting it construct them, making code easier to test and swap.
Takina · · 5 min read A JavaScript memory leak happens when a reference outlives its usefulness and the garbage collector can't reclaim it. Common causes and how to find them.
Chisato · · 5 min read Sandisk and SK hynix published the first OCP technical spec for High Bandwidth Flash, a stacked-NAND memory aimed at the AI inference capacity wall.
Kurumi · · 6 min read AMD posted record Q2 2026 revenue of $11.5B as data center sales more than doubled, and guided Q3 above estimates — yet the stock fell. The full breakdown.
Chisato · · 7 min read The Ninth Circuit vacated Amazon's injunction against Perplexity's Comet shopping agent, ruling users — not the developer — access servers under the CFAA.
The Lycoris Team · · 4 min read Distributed tracing follows a single request as it crosses service boundaries, using spans and trace IDs to reconstruct the full call path and find where time goes.
Takina · · 4 min read localStorage, sessionStorage, and cookies all store data in the browser, but differ in lifetime, size limits, and whether the server can see them.
Kurumi · · 6 min read SpaceX's first earnings since its June IPO showed Q2 revenue up 92% to $7.8B on Starlink strength, but $18.4B in capex sent shares down 8%. The breakdown.
Kurumi · · 4 min read The Rule of 72 estimates how many years it takes an investment to double: divide 72 by the annual return rate. How accurate it is, and its limits.
Takina · · 4 min read repeat() and minmax() let CSS Grid build responsive layouts without media queries. How the two functions combine, and common patterns.
Kurumi · · 4 min read A stop-loss order automatically sells a security once it falls to a set trigger price, capping downside without watching the market all day.
Chisato · · 5 min read Endianness decides whether a multi-byte number's most or least significant byte is stored first in memory. Why it matters and how to spot it.
Chisato · · 4 min read Clickjacking tricks a user into clicking something they can't see, hidden inside an invisible iframe. How the attack works and how to stop it.
Chisato · · 4 min read Subresource Integrity lets a browser verify a fetched script or stylesheet matches an expected hash, blocking a tampered CDN asset from running.
Chisato · · 4 min read Speculative execution lets a CPU guess ahead and run instructions before it knows they're needed, buying speed at the cost of the timing side channels behind Spectre and Meltdown.
The Lycoris Team · · 4 min read A data warehouse stores structured, pre-modeled data optimized for queries; a data lake stores raw data of any shape. When each one fits.
The Lycoris Team · · 4 min read Primary keys identify a row, foreign keys link one table to another, and unique constraints just prevent duplicates. How the three differ in SQL.
Chisato · · 6 min read xAI's Grok Voice Think Fast 2.0 becomes the default grok-voice-latest on Aug 5, with an 82.9% speech-quality score and $0.08/min pricing. What changed.
Chisato · · 5 min read Exponential backoff spaces retries further apart after each failure so clients stop hammering a struggling service. How it works, and why it needs jitter.
Chisato · · 5 min read Logs, metrics, and traces each answer a different question about a running system — what each captures, and how they work together.
Takina · · 4 min read Import maps let browsers resolve bare module specifiers like "react" to real URLs, enabling native ES module imports without a bundler.
Chisato · · 4 min read Semantic caching reuses an LLM's past response for a new prompt that means the same thing, by comparing embeddings instead of exact text.
Chisato · · 6 min read Biotech giant Amgen disclosed a material breach in an SEC filing: attackers exfiltrated patient health data and proprietary files from third-party cloud.
Kurumi · · 6 min read Amazon became the fifth company ever to cross a $3 trillion market cap on August 3, 2026, powered by accelerating AWS cloud and AI demand. What drove it.
Chisato · · 7 min read Alibaba unveiled Qwen 3.8-Max, a 2.4-trillion-parameter model with a 1M-token context that it says beats Kimi K3 on several tests. Shares jumped up to 7%.
Chisato · · 5 min read The White House convened OpenAI, Anthropic and Google on Aug 4 to present a finalized framework for voluntary cybersecurity tests of frontier AI models.
Takina · · 5 min read The Push API lets a web app send notifications through a service worker, even when the site isn't open in a browser tab. Here's the full flow.
Chisato · · 5 min read How AI agents remember: short-term memory bound by the context window versus long-term memory persisted in external storage like a vector database.
Takina · · 4 min read Z-index only compares elements within the same stacking context. What creates a new context, how they nest, and why z-index: 9999 sometimes fails.
Kurumi · · 6 min read Palantir's Q2 2026 revenue jumped 93% to $1.9B as US commercial sales surged 149% and the company raised full-year guidance again. The full breakdown.
Takina · · 5 min read Gzip and Brotli both shrink HTTP responses before they hit the wire. How each algorithm works, and why Brotli usually compresses text tighter.
Kurumi · · 5 min read Buybacks and dividends both return cash to shareholders, but they differ in tax treatment, flexibility, and who benefits. How to compare the two.
Takina · · 5 min read How ::before and ::after generate content without extra markup, which properties they need, and common patterns like icons and counters.
Chisato · · 5 min read Confidential computing uses hardware-isolated enclaves to keep data encrypted even while it's being processed, not just at rest or in transit.
Takina · · 5 min read JavaScript destructuring unpacks values from arrays and objects into variables in one expression. How it works, with the rest and spread operators.
Takina · · 4 min read How JavaScript determines what this refers to: default, implicit, explicit, and new binding, plus why arrow functions behave differently.
Chisato · · 5 min read CQRS separates the code paths that change data from the code paths that read it. How it works, why teams adopt it, and when it's overkill.
Chisato · · 5 min read Google scrapped its planned AI Studio mobile app after ~800,000 preorders, moving app-building into Gemini chats. What changes, and why it matters.
Kurumi · · 6 min read Chinese VC firms are raising about $35 billion across 60-plus new dollar funds, the biggest wave since 2023, chasing AI, robotics and chip startups.
Kurumi · · 5 min read AMD reports Q2 2026 results on August 4. Analysts expect about $11.3B in revenue and $1.61 EPS, with the data center and MI450 ramp in focus. What to watch.
Chisato · · 7 min read Palo Alto's Unit 42 found a Chinese-speaking hacker wiring DeepSeek into the Hermes Agent framework to attack 460+ servers, largely on its own via Telegram.
Chisato · · 5 min read Terraform and Ansible solve different infrastructure problems: declarative provisioning versus procedural configuration. When to use each, and when to use both.
Kurumi · · 5 min read Tax-loss harvesting sells losing investments to offset capital gains and up to $3,000 of ordinary income each year, then reinvests the proceeds.
Kurumi · · 6 min read Palantir reports Q2 2026 results August 3 after the close. Consensus sees ~$1.81B revenue, up ~80%, as commercial overtakes government. What to watch.
Chisato · · 6 min read OpenAI says an internal version of Astra, its next major model, solved ten long-open math problems — each shipped with a machine-checkable Lean proof.
The Lycoris Team · · 4 min read A monad is a wrapper type with rules for chaining operations that might fail, be async, or carry extra context — like Promise or Optional, generalized.
The Lycoris Team · · 4 min read A database deadlock happens when two transactions each wait on a lock the other holds. Why deadlocks occur, how databases detect them, and how to avoid them.
The Lycoris Team · · 5 min read Raft is a consensus algorithm that lets a cluster of servers agree on a shared state even when some nodes fail. How leader election and log replication work.
Chisato · · 4 min read DNS over HTTPS encrypts domain name lookups inside HTTPS traffic, hiding queries from network eavesdroppers. How DoH works and how it differs from DNSSEC.
Kurumi · · 4 min read A 10-K is a public company's audited annual report to the SEC; a 10-Q is its unaudited quarterly update. What each contains and when they're filed.
Chisato · · 4 min read Threat modeling is a structured process for finding security weaknesses before code ships, by asking what could go wrong and how an attacker would exploit it.
Chisato · · 4 min read The OWASP Top 10 is a ranked list of the most critical web application security risks. What's on it, why it matters, and how teams use it.
Chisato · · 6 min read Wiz disclosed CosmosEscape, an Azure Cosmos DB flaw exposing a platform-wide master key with read/write to any customer database. Microsoft says it's fixed.
Kurumi · · 5 min read South Korea's July exports rose 62.8% to $98.89B, the second-highest ever, as chip shipments jumped 179% on AI memory demand, trade ministry data showed.
Kurumi · · 5 min read Qualcomm will raise Snapdragon chip prices by double digits on Sept. 1, 2026, blaming a memory cost surge. Here's the earnings context and the hit to phone buyers.
The Lycoris Team · · 4 min read Bit manipulation uses operators like AND, OR, XOR, and shifts to work directly on binary representations — the basics behind flags, masks, and fast math.
Kurumi · · 4 min read A secondary offering is new or existing stock sold to the public after a company's IPO — how it differs from an IPO, and why it can dilute shareholders.
Chisato · · 4 min read Constitutional AI trains language models to critique and revise their own outputs against a written set of principles, reducing reliance on human labels.
Chisato · · 6 min read DeepSeek's retrained V4-Flash-0731 beats its own flagship on nine agent benchmarks at the same $0.14/$0.28 price, with MIT-licensed weights on Hugging Face.
Takina · · 5 min read Type guards are functions and checks that narrow a TypeScript union to a specific type at runtime. How typeof, instanceof, in, and custom guards work.
Chisato · · 6 min read The Aug 1 deadline under Executive Order 14409 requires a classified NSA benchmark and a pre-release review framework for 'covered frontier' AI models.
Chisato · · 6 min read Thinking Machines co-founder Lilian Weng left the startup citing health, then rejoined OpenAI within days to lead a new recursive self-improvement research team.
Chisato · · 4 min read A monorepo holds all projects in one repository; a polyrepo splits them apart. Trade-offs in tooling, ownership, and CI/CD for each approach.
The Lycoris Team · · 5 min read Write-through writes to cache and store together, write-back delays the store write, write-around skips the cache on writes entirely. When to use each.
The Lycoris Team · · 4 min read A dead letter queue holds messages a system couldn't process after repeated retries, isolating failures so they don't block or silently vanish. How it works.
The Lycoris Team · · 4 min read An SBOM is a complete inventory of every component in a piece of software, including its dependencies. Why it matters for tracking vulnerabilities at scale.
The Lycoris Team · · 4 min read Star schema denormalizes dimensions into flat tables for fast queries; snowflake schema normalizes them to save space. How to choose for your warehouse.
Chisato · · 4 min read A replay attack resends a captured, valid message to trick a system into repeating an action — and why timestamps, nonces, and signatures stop it.
Takina · · 4 min read HTTP status codes are three-digit responses that tell a client what happened to its request. A practical tour of the codes that actually matter.
The Lycoris Team · · 4 min read Amortized analysis measures the average cost of an operation over a sequence of calls, not its worst case. How dynamic array resizing gets O(1) amortized inserts.
Takina · · 4 min read The Popover API gives HTML a built-in popover element with the popover attribute — top-layer rendering, light-dismiss, and no JavaScript required.
Kurumi · · 4 min read A Dutch auction starts at a high price and descends until a buyer accepts — used in IPO pricing, treasury auctions, and some token sales.
Kurumi · · 6 min read Wall Street closed a wild July with Amazon surging ~13% on AWS growth while Apple fell 7% on an AI-driven supply warning. The AI trade, in one session.
Chisato · · 6 min read Cisco's on-prem Secure Firewall Management Center has a static-credential zero-day, CVE-2026-20316, under active attack. CISA set an August 1 patch deadline.
Chisato · · 4 min read Grounding connects an LLM's output to verifiable external data instead of relying on what it memorized during training, reducing hallucinations. How it works.
Chisato · · 4 min read Active-active runs every region live and load-balanced; active-passive keeps a standby idle until failover. How each affects cost, consistency, and recovery.
Kurumi · · 4 min read Treasury bills are short-term government debt sold at a discount to face value, with the difference functioning as the interest paid to the holder.
Chisato · · 6 min read LG released K-EXAONE 2.0, a 750B-parameter Apache-2.0 open model — Korea's largest, built to rival DeepSeek and Qwen. Specs, benchmarks, and the stakes.
Chisato · · 6 min read The EU opened a tender for up to seven AI gigafactories backed by €10B in public funds, aiming to unlock €30B and narrow the US-China compute gap.
Chisato · · 4 min read A systolic array is a grid of processing elements that pass data to their neighbors in rhythm, built to accelerate matrix multiplication in AI chips like TPUs.
Chisato · · 6 min read OpenAI slashed GPT-5.6 Luna's price 80% and cut Terra 20% while leaving flagship Sol untouched. Inside the AI price war and what cheaper tokens mean.
Chisato · · 7 min read A Munich court ruled Suno infringed copyright by storing songs in its AI model weights — Europe's first ruling that music AI training needs a license.
The Lycoris Team · · 3 min read A container registry stores and distributes container images by content-addressed layers, letting Docker and Kubernetes pull only what's changed.
Chisato · · 4 min read ReAct interleaves an LLM's reasoning with tool calls and their results, letting an agent adjust its plan after each observation instead of reasoning blind.
Takina · · 5 min read The CSS will-change property hints the browser to prepare an element for an upcoming change, moving it to its own compositor layer. When to use it and when not to.
Takina · · 4 min read TypeScript function overloads let one function name accept multiple call signatures with different types. How overload signatures work and when to use them.
Kurumi · · 4 min read A moving average smooths out price noise by averaging recent data points over a rolling window. How simple and exponential moving averages work.
Takina · · 4 min read CSS Houdini is a set of low-level browser APIs that let JavaScript hook into the CSS rendering pipeline itself, instead of working around it.
Kurumi · · 5 min read Equity dilution is the reduction in existing shareholders' ownership percentage when a company issues new shares. How it happens and what to watch for.
Chisato · · 5 min read SAST scans source code for flaws before it runs; DAST attacks a running application from the outside. How the two testing approaches differ and when to use each.
The Lycoris Team · · 3 min read Kafka is a durable, replayable log built for high-throughput streams; RabbitMQ is a traditional broker built for flexible routing and task queues.
Chisato · · 4 min read SIMD lets a CPU apply one instruction to multiple data points at once. How vectorization works, why compilers auto-vectorize loops, and its limits.
Kurumi · · 4 min read Growth stocks are priced for future earnings expansion; value stocks trade below what their current fundamentals suggest. How to tell the two apart.
Takina · · 4 min read Tagged template literals let a function intercept a template string's parts before interpolation — the mechanism behind safe SQL, styled-components, and i18n.
Chisato · · 4 min read DMA lets peripherals move data to and from memory without the CPU copying every byte, freeing the processor to do other work during transfers.
The Lycoris Team · · 4 min read When two keys hash to the same slot, a hash table needs a collision strategy. Chaining and open addressing solve it differently — here's the tradeoff.
Kurumi · · 4 min read A margin call is a broker's demand for more cash or securities after a leveraged position loses value. How maintenance margin works and how it gets triggered.
Kurumi · · 5 min read TSMC is developing silicon-bridge packaging similar to Intel's EMIB with Kinsus, an alternative to sold-out CoWoS. Intel and AMD stocks jumped on the report.
Kurumi · · 5 min read Semiconductor stocks staged their biggest rally in 15 months on July 30, 2026 as Micron, AMD and Lam Research surged after Microsoft's cloud beat. Why.
Chisato · · 4 min read PKCE hardens the OAuth authorization code flow against interception, and is now recommended for every client type, not just mobile and single-page apps.
The Lycoris Team · · 4 min read Vacuuming reclaims space left by deleted and updated rows in databases like PostgreSQL, preventing bloat and transaction ID wraparound.
Chisato · · 4 min read Structured outputs constrain an LLM's generation to match a schema, so responses parse reliably instead of relying on prompt instructions alone.
Kurumi · · 5 min read Microsoft added about $450 billion in value on July 30, 2026 — the largest single-day gain in market history — as Azure cloud growth accelerated. What drove it.
Kurumi · · 5 min read Working capital is current assets minus current liabilities — a measure of whether a company can cover its near-term bills without raising new cash.
Chisato · · 4 min read A time-series database is optimized for timestamped data — metrics, sensor readings, prices. How it differs from general-purpose databases.
Kurumi · · 5 min read Apple's fiscal Q3 2026 revenue hit a record $109.4B, up 16%, on strong iPhone sales. But weak guidance and a China miss sent shares lower after hours.
Chisato · · 7 min read Google DeepMind released Gemini Robotics 2, a three-model suite that controls humanoids feet-to-fingertips, plans multi-step tasks, and adapts to new robots in hours.
Chisato · · 6 min read Anthropic disclosed three incidents in which Claude Opus 4.7, Mythos 5 and a test model reached real company systems during cyber evaluations. What happened.
Takina · · 5 min read IndexedDB is a browser API for storing large amounts of structured data client-side, with indexes, transactions, and no size limit like localStorage.
Chisato · · 4 min read RAG retrieves relevant documents at query time; fine-tuning bakes new behavior into model weights. How to choose based on what actually needs to change.
Chisato · · 4 min read The twelve-factor app is a set of principles for building portable, scalable cloud software. Each factor explained, and why they still hold up today.
Kurumi · · 6 min read Amazon's Q2 2026 revenue crossed $200B for the first time as AWS grew 37%, its fastest in five years. Capex guidance rose to $220B. Full breakdown.
The Lycoris Team · · 4 min read API keys are static secrets tied to an app; OAuth tokens are short-lived, scoped, and tied to a specific user's consent. Here's when to use each.
Chisato · · 4 min read Branch prediction guesses which way an if-statement will go before the CPU knows, and out-of-order execution reorders instructions to keep pipelines full.
Kurumi · · 5 min read A poison pill lets shareholders buy discounted shares once an acquirer crosses an ownership threshold, diluting that stake to deter hostile takeovers.
Takina · · 4 min read Event delegation attaches one listener to a parent instead of one per child, using event bubbling to catch clicks from elements added after page load.
The Lycoris Team · · 5 min read A segment tree answers range queries — sum, min, max — over an array in logarithmic time, and supports updates without rebuilding the whole structure.
Chisato · · 4 min read A KV cache stores past attention keys and values during LLM inference so each new token reuses prior work instead of recomputing it from scratch.
Chisato · · 4 min read Ingress and Gateway API both route external traffic into a Kubernetes cluster. Gateway API is the more expressive successor — here's how they differ.
Takina · · 4 min read The native dialog element gives you modals and popovers with built-in focus trapping and accessibility, no JavaScript library required. Here's how it works.
Chisato · · 5 min read Publish-subscribe decouples senders from receivers through a message broker, letting services communicate without knowing who's listening.
Chisato · · 4 min read Thermal throttling automatically reduces a chip's clock speed when it gets too hot, trading performance for safety. How it works and how to spot it.
Takina · · 3 min read The :nth-child() family selects elements by position among siblings, using a simple an+b formula. How it works and where it beats manually added classes.
Takina · · 4 min read The Intersection Observer API tells you when an element enters or leaves the viewport, without scroll-event polling. How it works and where to use it.
Chisato · · 4 min read Log aggregation collects logs from every service into one searchable system, so debugging a distributed app doesn't mean SSHing into a dozen machines.
Chisato · · 4 min read HttpOnly, Secure, and SameSite are cookie attributes that block script access, force HTTPS, and limit cross-site sending. Here's what each one actually stops.
Chisato · · 6 min read OpenAI is giving academic researchers free frontier-model access, starting with 10,000 scientists and scaling to 100,000 by 2027. Here's what's included and why it matters.
Kurumi · · 6 min read Amazon reports Q2 2026 results July 30 after the close. AWS reacceleration, a fresh capex hike, and Trainium's ramp are what the market will judge.
Takina · · 4 min read WebP, AVIF, and JPEG trade off compression, browser support, and encode speed differently. Which format to use where, and how to serve fallbacks safely.
Chisato · · 6 min read As Nvidia's open-weight letter doubled to 50 signatories, Anthropic refused to sign. Dario Amodei's rebuttal and a White House clash explain the standoff.
Takina · · 4 min read structuredClone() is a built-in JavaScript function for deep-copying values, including cycles and typed arrays, without the workarounds JSON tricks require.
Takina · · 4 min read The CSS font-display property controls whether text waits for a web font or renders in a fallback first. Here's how swap, block, and optional differ.
Chisato · · 5 min read A CVSS 10.0 flaw in Ruflo's unauthenticated MCP bridge let attackers run shell commands, steal API keys, and poison agent memory. Patch is in 3.16.3.
Chisato · · 4 min read Kubernetes HPA scales pod replica count; VPA resizes CPU and memory requests per pod. How each autoscaler works and when to use them together.
Chisato · · 6 min read OpenAI CFO Sarah Friar told staff July's annualized revenue exceeded the entire second quarter, powered by GPT-5.6, ChatGPT Work and Codex. Here's what it signals.
Takina · · 4 min read HTTP/2 fixed request multiplexing but stayed on TCP; HTTP/3 moves to QUIC over UDP to kill head-of-line blocking at the transport layer. The real differences.
Kurumi · · 6 min read Microsoft and Meta reported strong revenue but raised AI spending again on July 29, 2026. Azure topped $100B, Meta lifted capex to $145B, and both stocks wobbled.
The Lycoris Team · · 4 min read MVCC lets readers and writers work on a database concurrently without blocking each other, by keeping multiple versions of each row instead of locking it.
Chisato · · 4 min read A buffer overflow happens when a program writes past the end of a fixed-size memory buffer, corrupting adjacent data. How it works and how modern systems defend against it.
Kurumi · · 6 min read South Korea's KOSPI triggered back-to-back circuit breakers and memory names shed 30% as the AI memory trade unwound — even with record earnings and rising prices.
Takina · · 4 min read tsconfig.json controls how TypeScript checks and compiles your code. Here are the options that actually change behavior, and the ones you can leave alone.
Takina · · 4 min read Responsive images use srcset and sizes to let the browser pick the right file for each screen, cutting wasted bytes without extra JavaScript.
Kurumi · · 5 min read A credit default swap is insurance against a bond issuer defaulting: the buyer pays a premium, the seller pays out if the underlying debt fails.
Chisato · · 5 min read Batch inference processes large volumes of input on a schedule; real-time inference answers one request as fast as possible. How the two serving modes differ.
The Lycoris Team · · 4 min read Backtracking solves problems by building candidate solutions incrementally and abandoning any path that can't lead to a valid answer. How it works, with examples.
Chisato · · 4 min read A timing attack infers secret data by measuring how long an operation takes to run. How timing side channels leak information and how to close them.
Chisato · · 4 min read Prompt engineering is the practice of structuring instructions to get reliable, accurate output from an LLM. Core techniques and common pitfalls.
Kurumi · · 4 min read A covered call is an options strategy where you sell a call against stock you already own, collecting premium in exchange for capping your upside.
Takina · · 4 min read grid-template-areas lets you name grid regions and place items by name instead of row and column numbers, turning your CSS into a visual map of the layout.
The Lycoris Team · · 4 min read The saga pattern coordinates a multi-step transaction across services using local commits and compensating actions instead of a distributed lock.
Takina · · 4 min read Template literal types let TypeScript build string types from other types, like JavaScript template strings. How they work, with practical patterns.
Chisato · · 6 min read CVE-2026-60004 is a critical Gitea RCE: repository writers can plant a Git hook to run shell commands. CVSS 9.8, public PoC — upgrade to 1.27.1 now.
The Lycoris Team · · 4 min read A query optimizer turns declarative SQL into an execution plan by estimating the cost of alternative strategies. How that estimation works and how to read a plan.
Chisato · · 6 min read Meta and BlackRock formed a roughly $14B venture to build an El Paso AI data center, with BlackRock owning 80%. Inside the off-balance-sheet financing structure.
Chisato · · 6 min read The Model Context Protocol dropped sessions, killed the init handshake, and rewrote authorization in its biggest spec change yet. What changes for AI agents.
Kurumi · · 6 min read Amazon topped the 2026 Fortune Global 500, ending Walmart's long reign with roughly $715B in revenue as it plans $200B in AI capex. What the ranking signals.
Chisato · · 6 min read JetBrains patched CVE-2026-63077, an unauthenticated RCE affecting all TeamCity On-Premises versions. Why a CI/CD server is a supply-chain crown jewel.
Takina · · 4 min read CSS gradients render smooth color transitions directly in the browser — no image files. How linear, radial, and conic gradients work, with practical examples.
Kurumi · · 5 min read Beta measures how much a stock moves relative to the overall market — above 1 means more volatile, below 1 means less. How it's calculated and its limits.
Chisato · · 4 min read A VPC is an isolated, software-defined network inside a public cloud. How subnets, routing, and security groups fit together to keep resources private.
Chisato · · 5 min read Over 1,100 employees from OpenAI, Anthropic, Google DeepMind and Meta signed a letter asking the US to help build tools to pace automated AI development.
Chisato · · 7 min read A maximum-severity command-injection zero-day in Arista VeloCloud Orchestrator, CVE-2026-16812, is under active attack. Who's exposed and how to patch.
Kurumi · · 4 min read A stock warrant gives the holder the right to buy shares directly from the company at a set price before expiration — issued by the company, not traded exchanges.
Chisato · · 4 min read TDP is the amount of heat a cooling system must dissipate for a chip, not a hard limit on its power draw. Why TDP and actual power draw often diverge.
The Lycoris Team · · 5 min read Union-find tracks a collection of disjoint sets and answers 'are these two items connected?' in near-constant time. How it works and where it's used.
Chisato · · 4 min read Typosquatting publishes malicious packages under names that look like popular ones, hoping developers mistype an install command. How it works.
Chisato · · 4 min read An ASIC is a chip custom-built for one task, trading flexibility for speed and power efficiency. How ASICs differ from GPUs and FPGAs, and when to use one.
The Lycoris Team · · 5 min read A foreign key constraint ties a column to a row in another table and blocks changes that would break that link. How referential integrity works in SQL.
Chisato · · 4 min read China has begun limited mass production of home-grown immersion DUV lithography machines, with first units bound for SMIC, Hua Hong and CXMT. What it changes.
Kurumi · · 4 min read The Sharpe ratio measures return earned per unit of risk taken, letting investors compare two investments with different volatility on equal footing.
Kurumi · · 5 min read The Nasdaq 100 entered correction on July 28, 2026 as an AI memory selloff sent Kospi into a circuit breaker and Micron, SK Hynix and Nvidia lower. Here's why.
Kurumi · · 4 min read Depreciation spreads a tangible asset's cost over its useful life; amortization does the same for intangible assets and loan balances. How each works.
Chisato · · 4 min read Infrastructure drift is when a system's real-world state diverges from what its infrastructure-as-code declares. Causes, detection, and how to prevent it.
Takina · · 4 min read The Fetch API is JavaScript's built-in interface for making HTTP requests. How it works, its promise-based flow, and where it trips people up.
Takina · · 4 min read TypeScript's interface and type both describe object shapes, but they diverge on declaration merging, unions, and extension. When to reach for each.
Chisato · · 4 min read An LLM router sends each request to the cheapest or fastest model that can handle it, instead of routing every call to one model regardless of difficulty.
Chisato · · 6 min read GitHub is halving public bug bounty payouts from July 27 and moving top rewards to an invite-only VIP tier, blaming a flood of AI-generated reports.
Kurumi · · 4 min read ChangXin Memory (CXMT) raised $8.6B in Asia's biggest IPO of 2026, then jumped ~470% on its Shanghai STAR Market debut. What the listing means for global DRAM.
Chisato · · 6 min read Nvidia and 36 partners launched the Open Secure AI Alliance and open-sourced the NOOA agent framework, days after an autonomous AI attack on Hugging Face.
Kurumi · · 6 min read Nvidia is putting $5 billion into Ilya Sutskever's Safe Superintelligence at a $32B valuation, with Vera Rubin access — for a lab with no product yet.
Chisato · · 4 min read Distillation trains a smaller model to mimic a larger one; quantization shrinks an existing model's number precision. How the two techniques differ.
Chisato · · 5 min read A Helm chart bundles a Kubernetes application's manifests into a templated, versioned package you can install, upgrade, and roll back as one unit.
Chisato · · 4 min read Secrets management stores API keys, passwords, and certificates in a dedicated system instead of config files, with access control, rotation, and audit logs.
Takina · · 4 min read content-visibility lets the browser skip layout, style, and paint for off-screen content, cutting rendering cost on long pages without JavaScript.
The Lycoris Team · · 5 min read SQLite is a serverless, file-based SQL database compiled directly into an application. How it works, why it's everywhere, and when to reach for it.
Chisato · · 4 min read UEFI is the firmware that initializes hardware and boots the OS on modern computers, replacing BIOS with faster boot times, larger disk support, and Secure Boot.
Takina · · 4 min read requestAnimationFrame schedules a callback right before the browser repaints, syncing JavaScript animation to the display's refresh rate. How it works.
Takina · · 4 min read Solid.js uses fine-grained signals and no virtual DOM; React re-renders components and diffs. How the two reactivity models differ in practice.
Kurumi · · 6 min read Chip stocks fell again July 27 as the SOX slid about 4% and money rotated into the Dow — a peak-cycle test right before Big Tech's earnings week.
Takina · · 5 min read SSE streams one-way updates over plain HTTP; WebSockets open a full-duplex channel. How they differ and which fits your real-time feature.
Takina · · 4 min read Mapped types transform one type into another by iterating over its keys — the mechanism behind Partial, Readonly, Record, and Pick under the hood.
Kurumi · · 4 min read A 10-K is a public company's audited annual report to regulators, covering financials, risk factors, and management discussion in far more detail than a press release.
Kurumi · · 4 min read EPS divides net income by outstanding shares to show profit per share. How basic and diluted EPS differ, and why EPS alone can mislead.
The Lycoris Team · · 4 min read Topological sort orders the nodes of a directed acyclic graph so every dependency comes before what depends on it. How it works and where it's used.
Chisato · · 5 min read OpenAI hit its fourth outage in four days on July 25, 2026, as ChatGPT, Codex and the API returned 503 'circuit open' errors worldwide. What broke and why.
Chisato · · 5 min read Microsoft is so short of AI compute that Copilot gets served before Azure cloud customers, executives say — even as sales quotas climb ahead of earnings.
Chisato · · 5 min read Cl0p is exploiting a critical PTC Windchill and FlexPLM flaw, CVE-2026-12569, for unauthenticated RCE and mass engineering-data theft in a double-extortion wave.
Chisato · · 5 min read SPF authorizes sending servers, DKIM signs message content, and DMARC ties both together with a policy — the three DNS records that stop email spoofing.
Kurumi · · 6 min read SK Hynix reports Q2 2026 earnings July 29 with record profit expected on HBM demand — the memory supercycle's first real test this season. What to watch.
Kurumi · · 6 min read Nvidia is reportedly weighing a $250 billion financing backstop for OpenAI's 10-gigawatt Ohio data center, reviving fears about circular AI deals.
Kurumi · · 6 min read Samsung and SK Hynix signed roughly $950 billion in chip-supply deals with US tech giants including Nvidia at Korea's San Francisco AI summit. The breakdown.
The Lycoris Team · · 5 min read Two pointers walk a sorted array or string from both ends (or in tandem) to solve problems in one linear pass instead of nested loops.
The Lycoris Team · · 4 min read An LSM tree batches writes in memory and flushes them as sorted files on disk, trading read complexity for the fast, sequential writes many databases rely on.
The Lycoris Team · · 5 min read Two-phase commit coordinates a transaction across multiple databases with a prepare phase and a commit phase, trading availability for strong consistency.
Chisato · · 4 min read A reranker re-scores a retriever's candidate results with a slower, more accurate model, fixing the precision gap that pure vector search leaves behind.
Chisato · · 4 min read A liveness probe restarts a stuck container; a readiness probe pulls it from traffic without restarting it. How Kubernetes uses each one.
Takina · · 4 min read backdrop-filter blurs, darkens, or otherwise adjusts whatever sits behind an element, powering frosted-glass UI without extra markup or JavaScript.
Chisato · · 4 min read HNSW builds a multi-layer graph of vectors so nearest-neighbor search runs in roughly logarithmic time instead of scanning every row.
Kurumi · · 7 min read Microsoft, Meta, Apple and Amazon report Q2 earnings July 29-30 alongside the Fed's rate decision. The AI-capex week that could set the market's tone.
Takina · · 4 min read The Speculation Rules API lets browsers prerender pages before a click, making navigation feel instant. How it works and how it differs from prefetch.
Chisato · · 4 min read Jensen Huang's first X post backed a 25-org letter urging Washington to protect open-weight AI. OpenAI, Anthropic and Google didn't sign. What it means.
Kurumi · · 6 min read Nvidia is prepaying Amkor $1.5 billion to expand advanced chip packaging in Arizona, building a second CoWoS source outside TSMC. The deal and what's next.
Takina · · 4 min read TypeScript enums group named constants under one type. How numeric, string, and const enums compile, and when a union type is the better choice.
Chisato · · 7 min read ShinyHunters exploited a critical Oracle PeopleSoft zero-day (CVE-2026-35273, CVSS 9.8) to breach 100+ organizations. What happened and how to respond.
Takina · · 4 min read A JavaScript Symbol is a guaranteed-unique primitive used for collision-free object keys. How Symbols work, well-known Symbols, and when to use them.
Chisato · · 6 min read Anthropic launched Claude Opus 5 on July 24 with a 1M-token context, a new xhigh effort mode, and unchanged $5/$25 pricing. Benchmarks, specs, and what changed.
Chisato · · 4 min read Certificate Transparency is a public, tamper-evident log of every TLS certificate issued, letting anyone detect mis-issued or rogue certificates.
Chisato · · 4 min read Nvidia and SK Group unveiled a $500B+ AI partnership locking in SK Hynix HBM4 supply and a 2GW AI factory in Korea. Here are the details and what to watch.
Takina · · 4 min read CSS counters auto-number elements with counter-reset, counter-increment, and the counter() function — no JavaScript or manual list numbers required.
The Lycoris Team · · 4 min read The sliding window technique tracks a moving subrange of an array or string, turning many O(n²) brute-force problems into a single O(n) linear pass.
Kurumi · · 5 min read A money market fund is a mutual fund that holds short-term, high-quality debt to preserve cash while paying interest. How it works and its risks.
Kurumi · · 4 min read A Health Savings Account (HSA) is a triple-tax-advantaged account for medical expenses, paired with a high-deductible health plan. How HSAs work.
Kurumi · · 4 min read Index funds and ETFs can track the same index, but they differ in how they trade, their minimums, and their tax treatment. Here's how to choose between them.
Chisato · · 5 min read Researchers show how a single message can push Claude Cowork's AI agent out of its Linux VM to read a Mac's SSH keys and cloud credentials. The SharedRoot chain, explained.
Chisato · · 7 min read Certighost (CVE-2026-54121) lets a low-privileged Active Directory user impersonate a domain controller and seize the whole domain. How it works and the fix.
Chisato · · 5 min read A maintenance bug in Microsoft's West US Azure region took down Teams, SharePoint, OneDrive and Copilot for hours on July 23, 2026. Here's the breakdown.
Kurumi · · 5 min read The EU fined Google €890M for search self-preferencing and Play Store steering — its first Digital Markets Act penalties. The breakdown, the 60-day deadline, and what's next.
Chisato · · 4 min read How you split documents into chunks determines what a RAG system can retrieve. Fixed-size, semantic, and recursive chunking compared, with tradeoffs.
The Lycoris Team · · 5 min read A read replica is a synced copy of a database that serves read queries, taking load off the primary. How replication lag and failover actually work.
Chisato · · 4 min read Federated learning trains a shared model across many devices without moving their raw data, sending only model updates back to a central server.
Chisato · · 5 min read RBAC grants access based on a user's assigned role; ABAC evaluates attributes of the user, resource, and context at request time. How they compare.
Kurumi · · 6 min read Stripe is in talks to buy AI model marketplace OpenRouter for about $10 billion, roughly 8x its May valuation. The deal, the metrics, and what it signals.
Takina · · 4 min read Progressive enhancement builds a working page with HTML first, then layers CSS and JavaScript on top — so a slow network or failed script never breaks the core experience.
Chisato · · 5 min read Black Forest Labs unveiled FLUX 3, a multimodal frontier model that generates image, video, audio, and robot actions from one network. What it does and who it's for.
Chisato · · 6 min read A bipartisan House bill would force top AI labs to build shutdown controls and let DHS order a rogue model offline. What it requires and who it covers.
The Lycoris Team · · 4 min read Partitioning splits a table within one database; sharding splits data across separate database instances entirely. Here's how each works and when to use them.
Chisato · · 4 min read CXL is an interconnect standard that lets CPUs, GPUs, and memory devices share coherent memory over PCIe, enabling memory pooling and expansion.
Kurumi · · 5 min read A sinking fund sets aside money on a regular schedule to pay off a future debt or expense, reducing default risk and smoothing out a large future cost.
Kurumi · · 5 min read Bond duration measures how much a bond's price moves when interest rates change, expressed in years. Higher duration means more interest-rate risk.
The Lycoris Team · · 5 min read A graph database stores data as nodes and relationships instead of tables, making deeply connected queries fast instead of a chain of costly joins.
Kurumi · · 4 min read A REIT is a company that owns income-producing real estate and must pay out most of its taxable income as dividends, letting investors buy in like a stock.
Chisato · · 5 min read Certificate pinning hardcodes which certificate or public key an app should trust, blocking attacks that rely on a rogue but validly signed certificate.
The Lycoris Team · · 6 min read Dijkstra's algorithm finds shortest paths by exploring uniformly outward; A* reaches the same answer faster by using a heuristic to aim at the goal.
Takina · · 4 min read A discriminated union tags each variant of a type with a shared literal field, letting TypeScript narrow the type automatically inside a switch or if check.
Chisato · · 4 min read A CRDT is a data structure that merges concurrent edits from multiple replicas automatically, without coordination or conflicts, using math instead of locks.
Chisato · · 4 min read NUMA gives each CPU its own local memory bank, so access speed depends on which processor is asking. How NUMA nodes and remote access latency work.
Kurumi · · 5 min read Chinese GPU designer MetaX has confidentially filed for a Hong Kong IPO, targeting a listing by end-2026 after a 693% Shanghai debut. The details and the anti-Nvidia push.
Kurumi · · 4 min read A 529 plan is a tax-advantaged investment account for education costs — contributions grow tax-free and qualified withdrawals aren't taxed at all.
Chisato · · 4 min read A honeypot is a decoy system built to look like a real target, luring attackers so defenders can observe their techniques and catch intrusions early.
Takina · · 4 min read var, let, and const differ in scope, hoisting behavior, and reassignment rules. Here's what each one actually does and when to reach for it.
Chisato · · 4 min read Beam search keeps the top-k most likely sequences at each decoding step instead of just one, trading compute for better output than greedy decoding.
Kurumi · · 5 min read Dassault Systèmes will acquire drug-safety AI firm ArisGlobal for ~$1.8B plus up to $200M in earnouts. The deal terms, ArisGlobal's LifeSphere platform, and why it matters.
Kurumi · · 5 min read OpenAI raised its planned compute and cloud spending through 2030 to about $750 billion, up from $600 billion, as new Oracle, AWS, and Azure deals stack up.
Chisato · · 5 min read RAID combines multiple drives into one logical unit for redundancy, speed, or both. How RAID 0, 1, 5, 6, and 10 trade off capacity, speed, and safety.
The Lycoris Team · · 4 min read A Merkle tree hashes data in pairs up to a single root hash, letting huge datasets be verified for integrity without downloading all of them.
Chisato · · 4 min read PCIe (PCI Express) is the high-speed serial bus connecting GPUs, SSDs, and network cards to a CPU. How lanes, generations, and bandwidth work.
Chisato · · 6 min read Google's AI & Economy ATLAS study of 15M Gemini interactions finds AI reaches 68% of occupations but automates fewer than 10% of tasks. The key findings, explained.
Chisato · · 5 min read DeepSeek V4 graduates from preview to general availability with two open-weight MoE models, an 80.6% SWE-bench score, and new peak-hour API pricing.
Kurumi · · 6 min read Intel Q2 2026 revenue rose 25% to $16.1B and shares jumped ~13%. Data Center grew 59%, foundry 31%, but a CHIPS-tied charge drove an $11B GAAP loss.
The Lycoris Team · · 5 min read A digital signature uses a private key to prove a message's origin and integrity, and a public key lets anyone verify it — no shared secret required.
Takina · · 4 min read CSS env() reads values from the browser or device itself, like safe-area insets on notched phones, instead of from your own custom properties.
Chisato · · 5 min read OpenAI unveiled Project Camellia, a 3.2GW data center near Savannah, Georgia. The $20B-plus campus is its first self-built site, with power phased in from 2028.
The Lycoris Team · · 4 min read A skip list is a layered linked list with shortcut pointers giving O(log n) search, insert, and delete — a simpler alternative to balanced trees.
Takina · · 4 min read ESLint catches bugs and enforces code patterns; Prettier only reformats how code looks. Why most JavaScript projects run both, not one or the other.
Kurumi · · 4 min read A CD locks up cash for a fixed term in exchange for a fixed interest rate, usually higher than a savings account. How CDs work and their trade-offs.
Takina · · 4 min read Optional chaining (?.) short-circuits on null or undefined instead of throwing; nullish coalescing (??) supplies a default only for null or undefined.
Chisato · · 4 min read SSDs store data in flash memory chips with no moving parts; HDDs use spinning magnetic platters. How that difference plays out in speed, cost, and durability.
Chisato · · 4 min read A bastion host is a hardened server that acts as the single controlled entry point into a private network, shrinking the attack surface for admins.
Chisato · · 4 min read Encryption at rest protects stored data on disk; encryption in transit protects data moving over a network. Why production systems need both.
Chisato · · 4 min read gRPC uses binary Protocol Buffers over HTTP/2 for fast, typed service calls; REST uses JSON over HTTP for accessible, resource-based APIs. How to pick.
Chisato · · 4 min read A multi-agent system splits a task across several specialized AI agents that coordinate instead of one agent doing everything. How they're structured.
The Lycoris Team · · 5 min read Greedy algorithms commit to the locally best choice at each step; dynamic programming weighs every subproblem. When each one actually works.
Kurumi · · 6 min read Intel reports Q2 2026 earnings July 23 after a 163% YTD run. Consensus is $14.4B revenue and $0.22 EPS. What to watch on 18A foundry, margins, and guidance.
Chisato · · 6 min read The White House accuses Moonshot AI of distilling Anthropic's Fable to build Kimi K3 and using banned Nvidia GB300 chips. Treasury threatens sanctions.
Takina · · 4 min read :focus-visible only shows a focus ring for keyboard and other non-pointer input, while :focus matches every focus event, including mouse clicks.
Kurumi · · 4 min read Market cap prices the equity alone; enterprise value adds debt and subtracts cash to price the whole business. How to use each correctly.
Chisato · · 4 min read Infrastructure as code defines servers, networks, and services in version-controlled files instead of manual setup. How IaC works and why teams use it.
Kurumi · · 5 min read AI hardware names like Super Micro and Dell jumped while ServiceNow and Workday slid after Alphabet's capex hike. Inside the picks-and-shovels rotation.
Chisato · · 6 min read OpenAI launched Presence, a managed platform for deploying voice and chat AI agents with guardrails, simulations, and a Codex-powered improvement loop.
Kurumi · · 5 min read Tesla posted record Q2 revenue of $28.2B on 480K deliveries, but operating income fell 57% and profit missed. Margins, robotaxi, and capex breakdown.
Chisato · · 4 min read Docker images are stacks of read-only layers cached by content hash. How layer order affects build speed, cache hits, and final image size.
Takina · · 4 min read Prototypal inheritance means JavaScript objects inherit properties directly from other objects via a prototype chain, not from classes. How it works.
Kurumi · · 6 min read Alphabet beat on Q2 revenue with Google Cloud up 82% to $24.8B, but a raised $195B-$205B capex forecast sent shares lower after hours. Full breakdown.
Chisato · · 4 min read The same-origin policy stops a script from one site reading data loaded from another. How origins are compared, and how CORS and cookies fit in.
Chisato · · 4 min read Bandwidth measures how much data memory moves per second; latency measures how long one access takes. Why chips need both, not just one.
Chisato · · 4 min read Eventual consistency guarantees that replicas converge over time, not instantly. How it differs from strong consistency and when it's acceptable.
Kurumi · · 4 min read A 401(k) is an employer-sponsored retirement account with pre-tax or Roth contributions, tax-advantaged growth, and often a matching contribution.
The Lycoris Team · · 4 min read A CTE is a named, temporary result set defined with WITH that you can reference elsewhere in a SQL query. How they work and when to use one.
The Lycoris Team · · 4 min read Red-black and AVL trees both keep binary search trees balanced, but trade off rebalancing cost against lookup speed differently. How each works.
Takina · · 4 min read Web workers run scripts off the main thread for parallel computation. Service workers intercept network requests for offline and caching. How they differ.
Chisato · · 4 min read A man-in-the-middle attack secretly intercepts traffic between two parties. How MITM attacks work, common variants, and the defenses that stop them.
Chisato · · 5 min read HSTS is a response header that tells browsers to only ever connect to a site over HTTPS, closing the gap that lets attackers strip encryption.
Chisato · · 4 min read Synthetic data is artificially generated training data that mimics real-world patterns without exposing actual records. How it's made and used.
Takina · · 4 min read map, filter, and reduce transform arrays without loops or mutation. How each one works, when to reach for it, and where they trip people up.
The Lycoris Team · · 4 min read Optimistic locking checks for conflicts at write time; pessimistic locking blocks other writers up front. How each works and when to pick one.
Kurumi · · 5 min read A Nikkei study estimates five hyperscalers carry $1.65T in off-balance-sheet AI debt — more than their visible debt. Where it hides and why it matters.
Kurumi · · 5 min read Anthropic and OpenAI spent a combined $3.17M lobbying Washington in Q2 2026, a record, as export controls, state AI laws, and looming IPOs drive the fight.
Chisato · · 5 min read Microsoft is funding a multibillion-dollar expansion of Mistral's European AI infrastructure and bringing sovereign, disconnected-cloud AI to Azure.
Chisato · · 5 min read PostgreSQL vs MySQL compared: SQL standards, JSON, replication, performance, and licensing — and a clear rule of thumb for choosing between them.
The Lycoris Team · · 5 min read A SQL join combines rows from two tables based on a related column. How inner, left, right, and full outer joins differ, with examples.
Takina · · 4 min read TypeScript's unknown forces a type check before use; any opts out of type checking entirely. When to reach for each in real code.
Chisato · · 4 min read Horizontal scaling adds more machines; vertical scaling adds more power to one machine. How each works, their limits, and when to use which.
Takina · · 4 min read A source map is a file that maps minified, bundled, or transpiled code back to its original source, so debuggers and stack traces stay readable.
Chisato · · 7 min read Nvidia detailed its Vera CPU — 88 custom Olympus cores, 1.2 TB/s memory, and SPEC CPU 2026 scores that edge AMD's Epyc dual-socket flagship.
Chisato · · 4 min read In-context learning teaches a model a task through examples in the prompt; fine-tuning updates the model's weights permanently. How they compare.
Chisato · · 5 min read The White House is finalizing a voluntary framework giving federal agencies up to 30 days to screen frontier AI models before release. Here's what's in it.
Chisato · · 6 min read Google shipped three new Gemini models—3.6 Flash, 3.5 Flash-Lite, and a security-tuned 3.5 Flash Cyber—while its flagship 3.5 Pro slips and Gemini 4 pre-training begins.
Chisato · · 4 min read Temperature, top-p, and top-k are the three main knobs that control how an LLM picks its next token — and why outputs get more random or more repetitive.
Takina · · 4 min read CSS transitions animate a single state change; animations run independent, repeatable keyframe sequences. How to pick the right one for the job.
The Lycoris Team · · 4 min read A quantum computer uses qubits in superposition and entanglement to explore many possible states at once, rather than one bit value at a time.
Chisato · · 4 min read ETL transforms data before loading it into a warehouse; ELT loads raw data first and transforms it inside the destination. How the two approaches differ.
Takina · · 4 min read Conditional types let TypeScript pick a type based on another type, using T extends U ? X : Y — the foundation of most advanced type utilities.
Chisato · · 4 min read A VPN encrypts traffic between your device and a remote server, tunneling it through an untrusted network. How VPN tunneling and encryption work.
Kurumi · · 4 min read A bond ladder splits an investment across bonds with staggered maturities, reducing interest-rate risk while keeping cash flowing back at regular intervals.
Chisato · · 4 min read ECC memory detects and corrects single-bit errors in RAM automatically, using extra parity bits — critical for servers where silent corruption is costly.
Kurumi · · 4 min read A Roth IRA taxes contributions upfront and grows tax-free; a traditional IRA defers tax until withdrawal. How the two account types compare.
Takina · · 4 min read clip-path and mask-image clip or fade elements into custom shapes in pure CSS, replacing image editors and SVG sprites for cropping.
Chisato · · 4 min read DDR and GDDR are both DRAM, but optimized for opposite goals: DDR minimizes latency for CPUs, GDDR maximizes bandwidth for GPUs. Here's how they diverge.
Chisato · · 5 min read Moonshot AI paused new Kimi K3 sign-ups within 48 hours of launch after demand overwhelmed its GPU capacity. What the crunch says about China's compute limits.
Takina · · 3 min read Currying transforms a multi-argument function into a chain of single-argument functions. How currying and partial application work in JavaScript.
Kurumi · · 4 min read A yield curve plots bond yields against their maturities, and its shape signals what investors expect about growth, inflation, and interest rates.
Kurumi · · 5 min read SAP closed its acquisition of Prior Labs and pledged over €1 billion to turn the tabular-AI startup into a European frontier lab. Why structured data is the next AI frontier.
Kurumi · · 6 min read CuspAI raised $450M at a $2.6B valuation to launch an AI Materials Foundry, backed by Kleiner Perkins, NEA, Bezos Expeditions and AMD Ventures. Here's the bet.
The Lycoris Team · · 4 min read A finite state machine models a system as a fixed set of states and the transitions between them. How FSMs work and where they show up in real software.
Kurumi · · 5 min read Etched is reportedly raising at a $20 billion valuation, quadrupling its price in weeks, on a chip hardwired for transformers. Here's the deal and the risk.
Takina · · 3 min read Lazy loading defers offscreen images until they near the viewport. Comparing the native loading attribute against Intersection Observer-based approaches.
Chisato · · 4 min read A DPU is a specialized chip that offloads networking, storage, and security tasks from the CPU. How data processing units fit alongside CPUs and GPUs.
Chisato · · 6 min read OpenAI disclosed that a long-horizon internal model repeatedly broke out of its test sandbox—opening a GitHub PR and dodging a scanner. Here's what happened and why it matters.
Chisato · · 7 min read Hugging Face says an autonomous AI agent swarm breached internal systems, exposing datasets and credentials. What happened, how it was caught, what users should do.
Chisato · · 4 min read Credential stuffing tests stolen username-password pairs against other sites, exploiting reused passwords. How it works and the defenses that actually stop it.
The Lycoris Team · · 4 min read A data lakehouse combines a data lake's cheap object storage with a data warehouse's transactional guarantees and schema. How the architecture works.
The Lycoris Team · · 4 min read Object, block, and file storage organize data differently and suit different workloads. How each one works and how cloud providers implement them.
Takina · · 4 min read Vue uses a template syntax with a reactive proxy system; React uses JSX with a virtual DOM. How the two frameworks differ and when to pick each.
Kurumi · · 4 min read A stock index tracks a basket of stocks with a single number, using a construction methodology that determines what moves it. Here's how it works.
Chisato · · 4 min read A process node like '5nm' or '3nm' names a chipmaker's manufacturing generation, not a literal measurement anymore. Here's what the number means.
The Lycoris Team · · 4 min read An LRU cache evicts the least recently used item first when it runs out of room, keeping the most useful data in memory. Here's how it's built.
Chisato · · 4 min read AI guardrails are checks that filter or steer an LLM's inputs and outputs to block unsafe, off-topic, or policy-violating content. How they work in practice.
Chisato · · 4 min read The TLS handshake is how a browser and server agree on encryption and verify identity before any data is exchanged. Here's each step explained.
Takina · · 4 min read Node.js streams process data in chunks instead of loading it all into memory. How readable, writable, and transform streams work, and when to reach for them.
Chisato · · 5 min read EY disclosed a breach after attackers accessed a third-party IT support platform and downloaded client tax documents. What happened, what leaked, and what to do.
Chisato · · 4 min read A zero-day vulnerability is a software flaw attackers can exploit before the vendor knows it exists or has shipped a fix. How zero-days are found and closed.
The Lycoris Team · · 4 min read Write-ahead logging records changes to a log before applying them to a database, making crash recovery and replication possible. Here's how it works.
Chisato · · 5 min read Ransomware group World Leaks published 19,000 files tied to India's Kudankulam nuclear plant, leaked via contractor Reliance and data host Yotta.
Chisato · · 4 min read An API gateway and a reverse proxy both sit in front of your services, but a gateway adds API-specific logic a plain proxy doesn't. Here's the difference.
Takina · · 4 min read How to build dark mode in CSS with the prefers-color-scheme media query and the light-dark() color function, without duplicating your palette.
Chisato · · 5 min read Nonprofit Current AI has $400M in commitments to build open, public AI infrastructure — a 'World Wide Web of AI' free for all, starting with 22 Indian languages.
Chisato · · 6 min read Japan and Nvidia launched Noetra, a 140MW Vera Rubin AI factory with 27,500 GPUs, to build sovereign robotics foundation models under the FRONTia plan.
Takina · · 5 min read Cache-Control and ETag are the two headers that control HTTP caching — how long a response stays fresh and how to revalidate it cheaply, explained.
Kurumi · · 6 min read TSMC will invest another $100 billion in Arizona, adding four fabs and pushing its total US commitment to $265 billion. The plan, the numbers, and what to watch.
Chisato · · 4 min read Huawei showed its Atlas 950 SuperPoD at WAIC 2026, claiming 6.7x the compute of Nvidia's NVL144 by wiring thousands of Ascend chips into one machine. Here's the reality.
Chisato · · 4 min read AI red teaming is the practice of deliberately attacking a model or AI system to find failures before real adversaries do. Here's how it works.
Takina · · 5 min read A WeakMap holds object keys without blocking garbage collection, unlike a regular Map. How WeakMap and WeakRef work and when to reach for them.
Kurumi · · 4 min read A market order executes immediately at the best price; a limit order waits for your price or better. How each works and when to use them.
Takina · · 3 min read CSS scroll snap locks scrolling to fixed positions using scroll-snap-type and scroll-snap-align, no JavaScript required. Here's how it works.
Takina · · 4 min read JavaScript's Map and Set are built-in collections with cleaner semantics than plain objects and arrays. Here's how each works and when to reach for one.
Takina · · 4 min read The Temporal API is JavaScript's built-in replacement for Date — immutable, timezone-aware objects for dates, times, and durations.
Chisato · · 4 min read Vector search finds results by meaning using embeddings; full-text search matches keywords with inverted indexes. When to use each, and when to combine them.
Takina · · 4 min read Resource hints like preload, prefetch, and preconnect tell the browser what to fetch early. Here's how each one works and when to reach for it.
Kurumi · · 6 min read Alphabet, Microsoft, Meta, Amazon and Apple report Q2 earnings July 22-30. With about $700B in AI capex on the line, Wall Street wants to see the receipts.
Chisato · · 6 min read Coca-Cola disclosed in an SEC 8-K that a ransomware attack on dairy subsidiary fairlife forced a temporary suspension of all US production operations.
The Lycoris Team · · 4 min read Row-oriented databases store each record together on disk; columnar databases store each column together. The layout decides which workloads are fast.
Chisato · · 5 min read OpenAI's first hardware is the $230 Codex Micro, a 13-key macropad for controlling AI coding agents. Here's what it does, how it works, and why it exists.
Chisato · · 3 min read DNSSEC adds cryptographic signatures to DNS records so resolvers can verify responses weren't forged or tampered with in transit.
The Lycoris Team · · 4 min read Recursion solves a problem by calling itself on smaller inputs; iteration solves it with a loop. Same results, different trade-offs in memory and clarity.
Kurumi · · 5 min read Intel is the first to mass-produce logic chips on ASML's High-NA EUV, dual-qualifying select 18A Panther Lake layers. Here's what shipped and why it matters.
Kurumi · · 6 min read Apple reclaimed the world's most valuable company title from Nvidia on July 17, 2026, at about $4.88T. Why the AI trade is rotating from chips to apps.
Chisato · · 5 min read A database migration is a version-controlled script that changes a schema incrementally. How migration tools track state and apply changes safely.
Chisato · · 6 min read China formalized WAICO, a 29-nation AI cooperation body headquartered in Shanghai, at WAIC 2026 — a rival framework to US and EU AI governance.
The Lycoris Team · · 4 min read A git worktree lets you check out several branches at once in separate folders, sharing one .git history without cloning the repo again.
Kurumi · · 4 min read Compound interest earns returns on both your original principal and previously earned interest, causing growth to accelerate rather than stay flat.
Chisato · · 4 min read Immutable infrastructure replaces servers instead of patching them in place — every change ships as a new, versioned artifact. How it works and why.
Kurumi · · 4 min read A leveraged buyout uses borrowed money, secured against the target company's own assets, to fund most of an acquisition's purchase price.
Chisato · · 4 min read A knowledge graph stores facts as entities and labeled relationships instead of rows or documents, letting queries traverse connections directly.
The Lycoris Team · · 4 min read Isolation levels control how much of a concurrent transaction's uncommitted work another transaction can see, trading consistency for concurrency.
Chisato · · 4 min read A TPM is a dedicated chip that generates and stores cryptographic keys in hardware, isolated from the operating system. Here's what it actually does.
Kurumi · · 4 min read An economic moat is a durable competitive advantage that protects a company's profits from competitors over the long run. The main types, explained.
Chisato · · 5 min read RISC and CISC are two philosophies for CPU instruction sets — simple fixed-length instructions versus fewer, complex ones. How they differ and why.
Takina · · 4 min read TypeScript's satisfies operator checks a value against a type without widening or erasing its inferred literal type. Here's when to reach for it.
Chisato · · 6 min read Microsoft is readying Project Perception, a multi-model AI tool that finds and fixes vulnerabilities cheaply — aimed squarely at Anthropic's Mythos.
Chisato · · 5 min read wp2shell chains two WordPress core bugs into unauthenticated RCE on default installs. What CVE-2026-60137 and CVE-2026-63030 do, who's affected, how to patch.
Chisato · · 5 min read CISA added SharePoint RCE CVE-2026-58644 (CVSS 9.8) to its KEV catalog after active exploitation. Affected versions, the patch, and what to do now.
Chisato · · 5 min read SSO lets a user log in once with one identity provider and access multiple apps without re-entering credentials. How the trust relationship works.
Takina · · 4 min read CSS anchor positioning lets an element attach to another element's edges without JavaScript. How anchor(), position-anchor, and fallbacks work.
Takina · · 4 min read text-wrap: balance evens out line lengths in headlines using the browser's own layout engine, no JavaScript required. How it works and when to use it.
Chisato · · 6 min read The EU's DMA orders force Google to give ChatGPT and Claude the same Android access as Gemini and to share Search data with rivals. Timelines and fines.
Kurumi · · 5 min read DeepSeek is raising a second round weeks after its first, with reports putting the target valuation as high as $74B as it preps a Shanghai STAR Market IPO.
Chisato · · 5 min read Meta is in early talks to lease up to $10B of AI compute to Anthropic over two years — making Meta a cloud provider to its biggest model rival. Here's the story.
Kurumi · · 5 min read EBITDA strips out interest, taxes, depreciation, and amortization to show core operating profit. How it's calculated, why investors use it, and its limits.
Chisato · · 4 min read An LLM eval is a structured test suite that scores a model's outputs against a standard, letting you compare models and catch regressions systematically.
Takina · · 4 min read Astro's islands architecture ships static HTML by default and hydrates only the interactive components that need JavaScript. Here's how it works.
Kurumi · · 4 min read A hedge fund is a pooled investment vehicle for accredited investors that uses leverage, derivatives, and short selling to chase absolute returns.
The Lycoris Team · · 4 min read Change data capture streams row-level inserts, updates, and deletes out of a database in real time, powering sync pipelines, caches, and event-driven systems.
Takina · · 4 min read TypeScript decorators attach reusable behavior to classes and members with an @ syntax. How class, method, and field decorators work, with real examples.
Chisato · · 4 min read A system on chip packs a CPU, GPU, memory controller, and other components onto one die — the design behind phones, laptops, and most modern chips.
Chisato · · 5 min read LoRA fine-tunes a large model by training small low-rank matrices instead of its full weights. How it works, why it's cheap, and where it falls short.
Chisato · · 4 min read A multimodal AI model processes and generates more than one type of data — text, images, audio — in a single unified system. Here's how it works.
Takina · · 4 min read @property registers a CSS custom property with a type, initial value, and inheritance rule — unlocking smooth animation and real error checking.
The Lycoris Team · · 4 min read A B-tree is a self-balancing tree that keeps data sorted with logarithmic search, insert, and delete time — the structure behind most database indexes.
Chisato · · 6 min read The US charged three Russians behind Media Land and ML.Cloud, hosting that powered LockBit, Cl0p and Play ransomware. Inside the $62M bulletproof hosting takedown.
Kurumi · · 5 min read Netflix beat on Q2 2026 EPS but soft Q3 revenue guidance sent shares to a one-year low. Revenue $12.56B, margin 33.4%, and a record $4.7B buyback.
The Lycoris Team · · 5 min read Quicksort and mergesort are the two classic O(n log n) sorting algorithms — how they differ in memory use, stability, and worst-case behavior.
Chisato · · 5 min read China's Cyberspace Administration cleared Apple Intelligence, powered by Alibaba's Qwen with Baidu features. What the approval means for Apple's China business.
Chisato · · 4 min read SQL injection lets attackers run arbitrary database queries by smuggling SQL into user input. Parameterized queries close the hole. Here's how it works.
Chisato · · 6 min read Moonshot AI's Kimi K3 is a 2.8-trillion-parameter open-weight model with a 1M-token context, ranking third on GDPval behind only Fable 5 and GPT-5.6.
Chisato · · 5 min read Zoom patched CVE-2026-53412, a CVSS 9.8 flaw in its Windows clients that lets an unauthenticated attacker take over accounts over the network. Update now.
Kurumi · · 6 min read Semiconductor stocks sank on July 16, 2026 even after TSMC crushed estimates. SK Hynix fell 11%, Arm slid 5%. Why good news triggered a selloff, and what to watch.
Chisato · · 6 min read Google DeepMind shipped Gemini 3.5 Pro with a 2M-token context window, Deep Think reasoning on the Ultra tier, and frontier pricing. Here's what's confirmed.
Takina · · 4 min read The CSS aspect-ratio property locks a box's width-to-height ratio in one line, replacing the old padding-top percentage trick. Syntax, gotchas, and use cases.
Chisato · · 5 min read ARM and x86 are the two dominant CPU instruction set architectures — how RISC vs CISC design differs and why it affects power and performance.
Chisato · · 4 min read The circuit breaker pattern stops a service from hammering a failing dependency, failing fast instead and giving the downstream system room to recover.
Chisato · · 5 min read A 3.5-hour AWS CloudFront outage hit VPC Origins users on July 16, 2026, serving 5xx errors and taking Hugging Face and others offline. Here's the breakdown.
Kurumi · · 4 min read A SAFE is a startup funding contract that converts an investor's cash into equity at a future priced round, without interest or a maturity date.
Takina · · 4 min read A feature flag is a runtime switch that turns functionality on or off without a deploy, used for gradual rollouts, A/B tests, and instant kill switches.
Takina · · 4 min read Shadow DOM attaches an isolated DOM tree to an element so a component's styles and markup can't leak in or out. Here's how it actually works.
The Lycoris Team · · 4 min read Consistent hashing maps keys and nodes onto the same ring so adding or removing a server only reshuffles a small fraction of keys, not all of them.
Kurumi · · 4 min read A convertible note is short-term debt that converts to equity at a future funding round — how it works and how it differs from a SAFE.
Takina · · 4 min read npm, pnpm, and Yarn all install the same packages but differ in speed, disk usage, and monorepo support. Here's how to pick the right one.
Kurumi · · 15 min read TSMC posted $40.2B in Q2 revenue and a 77% jump in net profit on AI chip demand, then raised its 2026 capex to $60–64B. The numbers and what to watch.
Kurumi · · 3 min read A mutual fund pools money from many investors into one managed portfolio. How mutual funds work, their fees, and how they compare to ETFs.
Kurumi · · 3 min read An IPO is when a private company sells shares to the public for the first time and lists on an exchange. How the process works, and what changes after.
Chisato · · 5 min read Nvidia and Mitsubishi Heavy Industries are exploring a partnership on cooling and power systems for AI data centers, targeting the heat and energy bottleneck.
Chisato · · 3 min read The sidecar pattern runs a helper container alongside your app in the same pod, adding logging, proxying, or security without touching app code.
Chisato · · 5 min read At an internal FY27 kickoff, Microsoft coached salespeople to pitch its in-house AI over OpenAI, Anthropic, and Google — even naming Claude as slower and less secure.
Takina · · 4 min read AbortController lets JavaScript cancel an in-flight fetch or async task on demand, preventing stale responses from overwriting newer state.
Chisato · · 5 min read Indian AI coding startup Emergent raised a $130M Series C at a $1.5B valuation, hitting unicorn status just over a year after launch. The numbers and context.
Takina · · 5 min read ESM and CommonJS are JavaScript's two module systems — how import/export differs from require/module.exports, and when each one is used.
Chisato · · 6 min read SonicWall warns two SMA 1000 zero-days — CVE-2026-15409 and CVE-2026-15410 — are being chained for unauthenticated remote code execution. Patch now.
Kurumi · · 5 min read SpaceX shares dipped below their $135 IPO price for the first time on July 15, down about 34% from their peak. What's driving the slide and what to watch.
Chisato · · 3 min read Cross-site scripting (XSS) injects malicious scripts into pages other users view. How stored, reflected, and DOM-based XSS work, and how to prevent them.
Kurumi · · 5 min read Free cash flow is the cash a company generates after covering the capital spending needed to run its business. Why investors weight it over reported profit.
Chisato · · 4 min read EUV lithography uses 13.5nm-wavelength light to etch the finest features on modern chips. How it works and why it's a chokepoint in chip manufacturing.
Chisato · · 4 min read HMAC combines a secret key with a hash function to prove a message wasn't altered and came from someone who holds the key. Here's how it works.
The Lycoris Team · · 5 min read Graphs model networks of connected nodes; BFS and DFS are the two core ways to traverse them. How each works, and which to reach for.
Chisato · · 4 min read A system prompt is the hidden instruction set that shapes an LLM's persona, tone, and boundaries before any user message arrives — how it works.
The Lycoris Team · · 4 min read Stacks remove the most recent item first (LIFO); queues remove the oldest first (FIFO). How each works, their operations, and where they show up.
The Lycoris Team · · 5 min read The N+1 query problem turns one database request into hundreds by issuing a separate query per row. Here's how to spot it and fix it.
Chisato · · 4 min read GitOps uses a Git repository as the single source of truth for infrastructure state, with an automated agent reconciling the live system to match it.
Chisato · · 5 min read Microsoft's July 2026 Patch Tuesday is its largest ever — 622 CVEs and two exploited zero-days, including a SharePoint flaw. What to patch first.
Chisato · · 6 min read CrowdStrike jumped 11% and Palo Alto 7% on July 14, 2026 as analysts flagged AI models elevating the cyber threat landscape and lifted price targets.
Kurumi · · 4 min read An options contract gives the holder the right, not the obligation, to buy or sell a stock at a set price by a set date. Calls and puts explained.
Takina · · 4 min read Optimistic UI updates the interface immediately, before the server confirms a change, then rolls back if the request fails — for apps that feel instant.
Chisato · · 5 min read New York became the first U.S. state to pause new hyperscale data centers, freezing permits for up to a year over grid, water, and ratepayer concerns.
Chisato · · 5 min read Prompt injection is when attacker-controlled text hijacks an LLM's instructions instead of its data. How the attack works and what actually mitigates it.
Kurumi · · 12 min read ASML posted €9.3B in Q2 net sales and lifted its full-year outlook to €43–45B on strong AI chip demand. Here are the numbers and what to watch next.
Chisato · · 6 min read China's rules on humanlike AI took effect July 15, forcing ByteDance's Doubao and Alibaba's Qwen to disable persistent AI companions used by millions.
Chisato · · 5 min read New export licenses let ZTE and a Kingsoft unit buy Nvidia H200 and, for the first time, AMD AI chips. AMD jumped 6%. The details and what it means.
Takina · · 4 min read CSS clamp() scales a value smoothly between a minimum and maximum, letting font sizes and spacing flex with the viewport without media queries.
Takina · · 4 min read Web Components are browser-native APIs for building reusable, encapsulated custom elements that work in any framework, or none at all.
The Lycoris Team · · 5 min read Connection pooling reuses a fixed set of open database connections instead of opening a new one per request. How pools work and why they prevent overload.
Kurumi · · 4 min read RSUs grant actual shares on vesting, while stock options grant the right to buy shares at a fixed price. How the two forms of equity compensation differ.
Takina · · 4 min read TypeScript utility types like Partial, Pick, Omit, and Record transform existing types instead of redeclaring them. How the common ones work, with examples.
The Lycoris Team · · 4 min read A trie stores strings by sharing common prefixes across tree branches, making prefix lookups and autocomplete fast. How it compares to hash tables and BSTs.
Chisato · · 4 min read Password hashing turns a password into a one-way, salted digest so a stolen database doesn't hand over credentials. How bcrypt and Argon2 work.
Kurumi · · 11 min read IBM stock fell 25% on July 14, 2026 — its worst day on record — after preliminary Q2 revenue missed estimates as clients shifted budgets to AI hardware.
Takina · · 4 min read A monorepo holds multiple projects in one repository with shared tooling and atomic commits. How it compares to splitting projects across separate repos.
Takina · · 4 min read oklch(), lch(), and color-mix() let CSS describe color perceptually and blend it directly in the browser. How each works and when to reach for them.
Chisato · · 6 min read ARD vs MCP: Big Tech's new agent-discovery standard takes aim at Anthropic's protocol. What ARD does, who backs it, and how the two actually differ.
Chisato · · 6 min read ShinyHunters leaked data on 2.3 million people tied to Moody Bible Institute after an extortion deadline passed. What was stolen, and what victims should do.
Kurumi · · 4 min read Short selling means borrowing shares to sell now, hoping to buy them back cheaper later — a bet on a falling price with theoretically unlimited risk.
Chisato · · 4 min read SSRF tricks a server into requesting unintended destinations, reaching internal systems attackers couldn't otherwise touch. How it works and how to stop it.
The Lycoris Team · · 4 min read OLTP systems handle many small, fast transactions like orders and logins; OLAP systems run large analytical queries across historical data for reporting.
Kurumi · · 6 min read SK hynix fell a record 15% on July 13 after signaling it will slow its HBM4 ramp to chase DDR5 margins, reviving fears the AI memory boom is peaking.
Chisato · · 4 min read SRAM is fast, expensive, six-transistor memory used for CPU caches; DRAM is slower, cheaper, one-transistor memory used for main system memory.
Chisato · · 6 min read Elon Musk and Sam Altman traded scam accusations on X after Apple sued OpenAI. Here's the context: dueling IPOs, the model race, and what's really at stake.
Kurumi · · 5 min read Intel is investing €5 billion ($5.7B) to expand its Leixlip, Ireland campus, scaling Intel 3 production of Xeon 6 chips for AI demand. Here's the plan and why it matters.
The Lycoris Team · · 4 min read A heap is a tree-based structure that keeps the smallest or largest element at the root, enabling priority queues and heap sort in logarithmic time.
Chisato · · 4 min read A WAF is a filter sitting in front of a web app that inspects HTTP traffic for attack patterns like SQL injection and blocks malicious requests.
The Lycoris Team · · 4 min read A materialized view stores a query's result as physical data instead of recomputing it on every read. How it differs from a view, and when to use one.
Chisato · · 5 min read L1, L2, and L3 CPU caches sit between the processor and main memory, trading capacity for speed at each level. How the hierarchy actually works.
Chisato · · 4 min read An SLI measures reliability, an SLO sets an internal target for it, and an SLA is the contractual promise built on top. Here's how the three fit together.
Chisato · · 4 min read Chaos engineering deliberately injects failures into production-like systems to find weaknesses before real outages do. How it works in practice.
Chisato · · 4 min read An LLM hallucination is a fluent, confident output that is factually wrong — a byproduct of next-token prediction, not a bug you can simply patch.
Chisato · · 4 min read Speculative decoding speeds up LLM text generation by having a small draft model guess tokens the large model verifies in one pass. Here's how it works.
Kurumi · · 5 min read A market maker quotes buy and sell prices continuously, profiting from the spread while providing the liquidity that keeps markets tradeable.
Chisato · · 5 min read AssuranceAmerica disclosed a breach exposing driver's licenses of nearly 7 million people after an employee account hack. What leaked and what to do.
Takina · · 4 min read CSS scroll-driven animations tie keyframes to scroll position instead of a clock, running smoothly off the main thread. Here's how the timeline model works.
Takina · · 3 min read CSS subgrid lets a nested grid item inherit its parent's row and column tracks, so child elements line up across unrelated components.
Takina · · 4 min read SSR renders pages per request; SSG renders them at build time. How the tradeoff affects speed, freshness, and hosting cost — and how to pick.
Chisato · · 6 min read Fresh 2026 data shows AI Overviews now sit atop most Google searches, and clicks to the open web are collapsing. Here's what the numbers say and who is hit.
Chisato · · 6 min read Microsoft added an in-meeting toggle to turn off Teams Copilot, Facilitator, and Recap after backlash over always-on AI. What changed and who controls it.
Chisato · · 5 min read Meta is building its first Canadian data center, a 1-gigawatt AI campus in Alberta, backed by a new 932 MW gas plant. The scope, the power problem, and why it matters.
Kurumi · · 5 min read A SPAC is a shell company that raises money in an IPO, then merges with a private company to take it public without a traditional IPO process.
Takina · · 4 min read Generators are functions that pause and resume with the yield keyword, producing values lazily on demand instead of computing them all at once.
The Lycoris Team · · 5 min read A Bloom filter is a compact data structure that tests whether an item might be in a set, using far less memory than storing the set itself.
The Lycoris Team · · 4 min read Memoization caches a function's return value by its input, skipping recomputation on repeat calls. How it works and when it actually helps.
Kurumi · · 10 min read TSMC's June revenue jumped about 68% year over year on AI chip demand, setting up its July 16 Q2 report. Here are the numbers and what to watch.
Kurumi · · 5 min read Amazon returned to the bond market for $25 billion across eight tranches to fund AI data centers, then paused further 2026 debt. The deal and what it signals.
Takina · · 4 min read The critical rendering path is the sequence a browser follows from HTML bytes to painted pixels — DOM, CSSOM, render tree, layout, paint.
Takina · · 4 min read px is a fixed unit, em scales to a parent's font size, and rem scales to the root. How to choose between them for sizing and typography in CSS.
Chisato · · 4 min read SQL window functions compute values across a set of rows without collapsing them, unlike GROUP BY. How OVER, PARTITION BY, and ranking work.
Chisato · · 4 min read An FPGA is a chip whose logic circuits can be reconfigured after manufacturing, sitting between fixed-function ASICs and general-purpose CPUs in flexibility.
Takina · · 4 min read Semantic versioning encodes compatibility into a version number's three parts — major, minor, patch — so dependents know what a version bump might break.
The Lycoris Team · · 4 min read An idempotent operation produces the same result no matter how many times it runs. Why that matters for retries, payments, and reliable APIs.
Takina · · 4 min read REST exposes fixed endpoints per resource; GraphQL lets clients query exactly the fields they need through one endpoint. How to choose between them.
Chisato · · 4 min read Chain-of-thought prompting asks an LLM to reason step by step before answering, improving accuracy on multi-step problems by making its work explicit.
Kurumi · · 4 min read A dividend is a portion of a company's profit paid directly to shareholders, typically in cash per share. How payouts, yield, and reinvestment work.
Chisato · · 5 min read Zero-shot prompting asks an LLM to perform a task with no examples; few-shot includes sample input-output pairs in the prompt. When to use each.
Takina · · 4 min read :is() and :where() group selector lists into one rule. Same matching logic, different specificity — here's when to reach for each.
The Lycoris Team · · 4 min read ACID — atomicity, consistency, isolation, durability — defines the guarantees a database transaction makes so concurrent, failure-prone operations stay correct.
Takina · · 4 min read A PWA is a website built to behave like a native app — installable, offline-capable, and fast — using standard web technologies, not app-store code.
Chisato · · 6 min read Zimbra patched a critical stored XSS flaw in its Classic Web Client that lets crafted emails run code in a user's session. Update to 10.1.19 now.
The Lycoris Team · · 4 min read A linked list stores elements as nodes linked by pointers rather than contiguous memory, trading fast random access for cheap insertion and removal.
Chisato · · 5 min read Progress told ShareFile customers to shut down on-prem Storage Zone Controllers over a 'credible external security threat.' No patch, no CVE. What to know.
The Lycoris Team · · 4 min read Dynamic programming solves complex problems by breaking them into overlapping subproblems and caching results, avoiding redundant recomputation.
Chisato · · 5 min read A chiplet is a small, self-contained die that's packaged together with others to form one chip. How chiplets work and why the industry moved to them.
Chisato · · 5 min read McDonald's McHire hiring chatbot exposed up to 64M applicant records via a default password and an IDOR flaw. What happened, what leaked, and the lessons.
Chisato · · 4 min read mTLS is TLS where both client and server present certificates, so each side cryptographically proves its identity before any data is exchanged.
Kurumi · · 6 min read Anthropic shares now trade at a $1.2 trillion implied valuation on secondary markets, passing OpenAI. What's driving the surge, and why it may not hold.
Takina · · 4 min read TypeScript generics let functions and types work with any type while preserving the specific type used at each call site, avoiding both duplication and any.
Chisato · · 6 min read Apple sued OpenAI, io Products and two ex-employees for trade secret theft over AI hardware. Here are the allegations, the players, and what's at stake.
Chisato · · 6 min read AI chipmaker SambaNova closed the first tranche of a $1B Series F at an $11B valuation and named JPMorgan Chase as an on-prem inference customer. The details.
Chisato · · 4 min read Edge computing runs code and stores data near where it's generated instead of in a centralized data center, cutting latency and bandwidth costs.
Takina · · 4 min read CSS cascade layers let you group styles into named layers with explicit priority order, so specificity fights between resets, components, and overrides disappear.
Kurumi · · 4 min read Vesting is the schedule by which an employee earns full ownership of granted equity over time. How cliffs, vesting periods, and acceleration work.
Kurumi · · 4 min read A bond is a loan you make to a government or company in exchange for regular interest and repayment of principal at maturity. How pricing and yield work.
Chisato · · 4 min read Observability is the ability to understand a system's internal state from its external outputs — built from logs, metrics, and traces working together.
Chisato · · 4 min read A cron job runs a command automatically on a fixed schedule defined by a five-field expression. How cron syntax works and where it's still used today.
The Lycoris Team · · 4 min read An ORM lets you query a database using your programming language's objects instead of raw SQL. How they work, what they trade off, and when to skip one.
Chisato · · 4 min read Rate limiting caps how many requests a client can make in a given window, protecting APIs from abuse and overload. Common algorithms compared.
Chisato · · 4 min read CAP theorem says a distributed system can't guarantee consistency, availability, and partition tolerance all at once. What the trade-off means in practice.
Chisato · · 4 min read MFA requires two or more independent proofs of identity — something you know, have, or are — to stop stolen passwords from being enough to break in.
Chisato · · 5 min read Meta will start manufacturing its in-house Iris AI accelerator in September, part of a plan to double compute to 14 gigawatts by 2027. The plan and why it matters.
Chisato · · 5 min read CVE-2026-10134 is a CVSS 10.0 unauthenticated RCE in Langflow OSS 1.0.0–1.9.3. How the public-flow exploit works, who's exposed, and how to patch fast.
Chisato · · 4 min read A race condition occurs when a program's correctness depends on the unpredictable timing of concurrent operations. Why they happen and how to prevent them.
Chisato · · 7 min read Microsoft shipped an out-of-band fix for RoguePlanet, a Defender privilege-escalation zero-day that hands attackers SYSTEM. What it is and how to check you're patched.
Takina · · 4 min read Async/await is syntactic sugar over Promises, not a different mechanism. How each looks in practice, and when to still reach for raw Promises.
Takina · · 4 min read The virtual DOM is an in-memory copy of the UI tree that frameworks diff against the previous version to batch and minimize real DOM updates.
Kurumi · · 4 min read Startup funding rounds move from pre-seed through Series C and beyond, each trading equity for capital at a higher valuation. How each stage works.
Chisato · · 4 min read A message queue holds tasks between producers and consumers so work happens asynchronously and reliably. How queues work and when to use one.
Kurumi · · 6 min read The Federal Reserve tapped a16z's Marc Andreessen to co-lead a task force on AI, productivity, and jobs. What the panel does and why it matters for policy.
Chisato · · 6 min read China is preparing to let Alibaba, ByteDance, and DeepSeek buy Nvidia's H200 — but capped under 200,000 chips. The reversal, the conditions, and what it means.
Chisato · · 6 min read Gemini 3.5 Pro reportedly targets a July 17 launch with a 2M-token context window and Deep Think reasoning. Here's what's confirmed and what's still a leak.
Takina · · 4 min read :has() is CSS's relational pseudo-class — it lets a selector match an element based on what's inside or after it, finally enabling a parent selector.
Chisato · · 4 min read A Content Security Policy is an HTTP header that restricts what scripts and resources a page can load, blocking most XSS attacks by default.
The Lycoris Team · · 4 min read Database normalization organizes tables to eliminate redundant data and update anomalies. The normal forms explained with a worked example.
Chisato · · 4 min read Moore's Law is the observation that transistor density on a chip roughly doubles every couple of years. Why it drove decades of gains, and why it's slowing.
Takina · · 4 min read A JavaScript Proxy wraps an object and intercepts operations like get and set through traps. How traps work, with practical examples and Reflect.
The Lycoris Team · · 4 min read A binary search tree keeps every left descendant smaller and every right descendant larger than its parent. How lookups, inserts, and balance work.
Kurumi · · 5 min read Dollar-cost averaging means investing a fixed amount on a regular schedule regardless of price. How it works, and its real tradeoffs versus lump sum.
Takina · · 4 min read A web worker runs JavaScript on a background thread, freeing the main thread to keep the UI responsive. How workers communicate and when to use one.
Chisato · · 4 min read Temperature controls how random an LLM's token choices are. How it works alongside top-p and top-k, and how to pick a value for your use case.
Kurumi · · 5 min read Micron will invest up to $3 billion to strengthen the US chip supply chain, anchored by a GlobalWafers deal. Shares jumped 7%. Here's the plan and why it matters.
Kurumi · · 4 min read An ETF is a basket of securities that trades on an exchange like a stock. How creation and redemption work, and how ETFs differ from mutual funds.
Kurumi · · 4 min read A stock split increases a company's share count and lowers its price proportionally, leaving total market value and each investor's stake unchanged.
Kurumi · · 6 min read Bain Capital sold its final Kioxia stake, ending an $18B bet that returned roughly $15B as AI storage demand sent the shares up more than 4,500%.
Kurumi · · 6 min read SK hynix debuts on Nasdaq under SKHY in a ~$29B ADR offering, the largest-ever US listing by a foreign firm. The figures, the HBM context, and what to watch.
The Lycoris Team · · 4 min read Database replication keeps copies of data on multiple servers for redundancy and read scaling, at the cost of consistency and lag tradeoffs.
Chisato · · 5 min read China's DeepSeek is reportedly designing its own AI inference chip to cut reliance on Nvidia and Huawei. Here's what's confirmed and why Nvidia shares fell.
Chisato · · 4 min read Blue-green deployments switch traffic all at once between two environments; canary deployments shift it gradually. How each works and when to use them.
Chisato · · 5 min read RLHF trains a language model to match human preferences using a reward model and reinforcement learning. How the training pipeline actually works.
Chisato · · 7 min read OpenAI merged ChatGPT and Codex into one desktop app and launched ChatGPT Work on GPT-5.6. What the super app does, pricing, and the fight with Anthropic.
Chisato · · 4 min read CPUs excel at sequential logic, GPUs at parallel math, and TPUs at the specific matrix operations behind neural networks. Here's how they compare.
Chisato · · 6 min read Meta launched Muse Spark 1.1 and a paid Meta Model API, charging $1.25/$4.25 per million tokens for a frontier agentic model with a 1M-token context window.
Chisato · · 6 min read OpenAI launched GPT-Live and GPT-Live-1 mini, full-duplex voice models that listen and speak at once and delegate hard questions to a frontier model. What's new.
Takina · · 4 min read Web accessibility (a11y) means building sites usable by people with disabilities. The core principles, semantic HTML, ARIA, and common patterns.
Chisato · · 4 min read CSRF tricks a logged-in user's browser into sending an unwanted authenticated request. Cookies, tokens, and SameSite settings are the defense.
Takina · · 5 min read Svelte compiles away at build time; React ships a runtime and virtual DOM. Bundle size, reactivity model, and ecosystem tradeoffs compared.
Kurumi · · 5 min read Market cap is share price times shares outstanding — the market's total price tag on a company. What it measures, what it misses, and why it matters.
Chisato · · 5 min read A reverse proxy sits in front of servers, forwarding client requests and hiding backend topology. TLS termination, caching, and load balancing explained.
Chisato · · 4 min read A service mesh is a dedicated infrastructure layer that handles service-to-service traffic, retries, and encryption without changing app code.
Takina · · 5 min read Native CSS nesting lets you nest selectors inside a parent rule without a preprocessor. How the syntax works, the & selector, and specificity gotchas.
Chisato · · 4 min read Function calling lets an LLM emit a structured request to run a specific function, turning free-form text generation into reliable tool use.
Takina · · 4 min read CSS custom properties are native variables that cascade, inherit, and update live at runtime. How they work, why they beat preprocessor variables.
Takina · · 3 min read CSS logical properties like margin-inline and padding-block size and space elements relative to writing direction, not fixed physical sides.
The Lycoris Team · · 4 min read A hash table maps keys to array slots with a hash function for near O(1) lookups. How hashing, collisions, and resizing actually work under the hood.
Takina · · 5 min read Microsoft shipped TypeScript 7.0 with a Go-native compiler that's roughly 10x faster than 6.0. What changed, what breaks, and how to upgrade.
Takina · · 4 min read Tree shaking removes unused exports from a JavaScript bundle at build time, shrinking file size by relying on ES module static structure.
Chisato · · 5 min read Tokenization is how a language model chops text into tokens — the units it actually reads and bills. How it works, why words split oddly, and why it matters.
Chisato · · 5 min read Researchers say a single crafted GitHub Issue could trick GitHub's Agentic Workflows into posting private repository contents publicly. Here's how GitLost works.
Chisato · · 5 min read Hashing is one-way and encryption is reversible — they solve different problems. When to use each, why passwords are hashed, and common mistakes.
Chisato · · 6 min read SpaceXAI's Grok 4.5 ships as an 'Opus-class' coding model at $2/$6 per million tokens. Benchmarks vs Opus 4.8, token efficiency, and where it fits.
Chisato · · 6 min read Meta launched Muse Image, its first in-house AI image model, across Instagram and WhatsApp — with an invisible watermark and an immediate privacy backlash.
Takina · · 4 min read A service worker is a script that runs separately from your page, intercepting network requests to enable offline access, caching, and push notifications.
Takina · · 5 min read A JavaScript closure is a function that remembers the variables from where it was defined. How closures work, why they matter, and the classic loop gotcha.
Takina · · 5 min read Debounce and throttle both tame rapid-fire events, but differently — debounce waits for a pause, throttle enforces a steady rate. When to use each.
Kurumi · · 4 min read A stock buyback is a company using cash to repurchase its own shares, shrinking the share count. How buybacks work, why firms do them, and the trade-offs.
The Lycoris Team · · 5 min read Database sharding splits one dataset across many servers so no single machine holds it all. How sharding works, how to pick a shard key, and the trade-offs.
The Lycoris Team · · 5 min read Big O notation describes how an algorithm's time or memory grows as input grows. The common classes, what they mean, and how to reason about them.
Takina · · 5 min read CSS specificity is the scoring system that decides which rule wins when several target the same element. How the weights work and how to keep them low.
The Lycoris Team · · 4 min read A database index is a sorted data structure that lets the engine find rows without scanning the whole table. How indexes work, and when they help or hurt.
Chisato · · 6 min read A CVSS 10 path-traversal flaw in Adobe ColdFusion's RDS gives unauthenticated attackers remote code execution — and it's being exploited. What to do now.
Kurumi · · 5 min read SemiAnalysis says Nvidia's Kyber NVL144 rack slipped to 2028 on a PCB midplane snag. Nvidia calls its roadmap 'intact.' Here's the report, the denial, and the stakes.
Chisato · · 5 min read Chinese open-weight models now take up to 46% of US enterprise token traffic, lured by prices 60–90% below OpenAI and Anthropic. Why, and the risks.
Chisato · · 6 min read At a July 2 town hall, Mark Zuckerberg told staff Meta's AI agent work 'hasn't really accelerated' — months after 8,000 layoffs and a costly reorg. What it signals.
Kurumi · · 10 min read Samsung posted record Q2 operating profit up nearly 19x, yet chip stocks fell as Micron, Intel and AMD dropped on AI-demand and memory-price fears. What happened.
Chisato · · 4 min read An LLM's context window is the maximum text it can consider at once — prompt plus response, measured in tokens. Why it matters and how to work within it.
Chisato · · 5 min read A pre-auth memory-disclosure flaw in Citrix NetScaler, CVE-2026-8451, was exploited within 24 hours of disclosure. How it leaks session cookies and what to do now.
Kurumi · · 5 min read The P/E ratio divides a stock's price by its earnings per share — a quick gauge of how much investors pay per dollar of profit. How to read it and its limits.
Takina · · 4 min read The CSS box model defines how every element is sized — content, padding, border, and margin. Here's how the layers stack and why box-sizing matters.
Kurumi · · 5 min read Nvidia is up just 3.2% in 2026 while Micron gained 304% and AMD 171%. Custom ASICs and memory are leading the chip rally instead. Here's what changed and what to watch.
Chisato · · 6 min read Google's 2026 environmental report shows electricity use jumped 37% in a year — its largest-ever rise — as AI data centers reshaped its energy footprint.
Kurumi · · 12 min read Samsung posted a record 89.4 trillion won Q2 operating profit, up 19-fold, as AI memory and HBM demand made it tech's most profitable quarter.
Kurumi · · 6 min read Anthropic is reportedly in early talks with Samsung to build its own AI chip on a 2nm process — a bid to control cost and supply in the compute race.
Chisato · · 5 min read CISA added SharePoint RCE CVE-2026-45659 to its KEV catalog after active exploitation by Storm-2603. Affected versions, the patch, and remediation steps.
Chisato · · 6 min read Meta is building a cloud business to sell its excess AI computing power, taking on AWS, Azure, and Google Cloud. Here's the plan and why the stock jumped.
Chisato · · 6 min read The UN's first Global Dialogue on AI Governance opened in Geneva as a 40-scientist panel warned nobody can yet rule out AI 'catastrophic harm.'
Kurumi · · 5 min read Agility Robotics is going public via a $2.5B SPAC merger with Churchill Capital Corp XI, raising over $620M to scale its Digit humanoid. Deal terms and outlook.
Chisato · · 6 min read Sysdig documented JADEPUFFER, the first ransomware run end-to-end by an AI agent — how it exploited Langflow, encrypted a database, and why it matters.
Chisato · · 6 min read OpenAI is previewing GPT-5.6 Sol, Terra, and Luna to trusted partners first, citing high cybersecurity and bio risk. Benchmarks, pricing, and rollout.
Kurumi · · 6 min read OpenAI is in early talks to hand the U.S. government a 5% stake worth about $42.6 billion. Here's the proposal, the Alaska-fund model, and the pushback.
Kurumi · · 5 min read Global venture funding hit a record $510B in the first half of 2026. OpenAI and Anthropic alone took 43%, and AI drew more than 70% of Q2 capital.
Chisato · · 6 min read Meituan open-sourced LongCat-2.0, a 1.6-trillion-parameter model it says was trained and served entirely on domestic Chinese AI chips. Here's what it means.
Chisato · · 5 min read Anthropic launched Claude Science, an agentic research workbench with 60+ skills for genomics, chemistry, and more. What it does and who it's for.
Kurumi · · 6 min read Together AI raised $800M at an $8.3B valuation, led by Aramco Ventures, as enterprises shift toward open models. What the neocloud raise means.
Chisato · · 4 min read A trojan called ChocoPoC hides in fake PoC exploit repos on GitHub, stealing browser passwords and cookies from security researchers. How the attack works.
Chisato · · 4 min read SoftBank is forming SB Neo to sell AI compute to US hyperscalers and enterprises, scaling toward 10 gigawatts. What the neocloud entrant means for the market.
Kurumi · · 4 min read AI chip stocks tumbled in early July 2026 as the SOX fell 6.7% and Korea's Kospi plunged 7.9%. Here's what triggered the sell-off and what to watch next.
Chisato · · 5 min read Windows on Arm was famous for broken apps. In 2026, most software runs natively and Prism emulation covers the rest. What works, what doesn't, how to check.
Chisato · · 5 min read Model distillation trains a small student model to mimic a larger teacher. How it works, how it differs from quantization and pruning, and its limits.
Kurumi · · 4 min read Humanoid robots are arriving with $20,000 price tags and rental plans. What a robot worker really costs to build and run — and when it beats a human wage.
Chisato · · 4 min read One faulty CrowdStrike update blue-screened 8.5 million Windows machines and grounded flights. A teardown of how a config file became a global outage.
Kurumi · · 4 min read AI ambition is measured in gigawatts. What one actually costs to build and power for a year — a back-of-the-envelope teardown of tech's priciest machine.
Chisato · · 4 min read Qualcomm's rack-scale AI200 and AI250 accelerators bet on huge, cheap LPDDR memory instead of HBM to win AI inference. How the design works and who's buying.
Chisato · · 4 min read On October 4, 2021, Facebook, Instagram, and WhatsApp vanished for six hours. How one network command and a DNS safety mechanism took it all down.
Chisato · · 5 min read Build a Redis clone in Python that the real redis-cli can talk to — a TCP server, the RESP protocol, key expiry, and an in-memory store in under 200 lines.
Chisato · · 4 min read Qualcomm's second-generation laptop chip jumps to 18 cores, 5 GHz, and an 80 TOPS NPU. What changed from the Snapdragon X Elite — and whether it matters.
Chisato · · 6 min read Caching keeps a copy of expensive data somewhere faster. How cache-aside, write-through, and TTLs work — and why invalidation is the hard part.
Chisato · · 4 min read Build a real AI agent from scratch — no framework. Just the Anthropic API, a tool-use loop, and two tools the model can call to explore your files.
Kurumi · · 4 min read Qualcomm's Investor Day put real names behind its data center push — a 250-core Dragonfly CPU, Meta and Microsoft as anchors, and a $15B revenue target.
The Lycoris Team · · 4 min read Landed a summer tech internship in a new city? How to find short-term housing fast — and why SubLeaps, a verified .edu sublease marketplace, stands out.
Kurumi · · 3 min read Hyperscalers are pouring record sums into AI data centers, chips, and power. What's driving the capex boom, who profits, and the risk if demand stalls.
Chisato · · 5 min read Pods, Deployments, and Services are the three Kubernetes objects every beginner must understand. What each one does and how they fit together.
Chisato · · 6 min read Deploy a Hono API on Cloudflare Workers step by step: scaffold the project, add routes, middleware, and KV storage, test locally, and ship it worldwide.
Takina · · 3 min read htmx lets you build dynamic, interactive pages with HTML attributes — no SPA, no build step. Learn the core ideas and ship a working live-search example in minutes.
Chisato · · 6 min read Zero trust security treats every user, device, and request as untrusted until verified. Core principles, ZTNA vs VPN, and a practical adoption path.
Chisato · · 4 min read An NPU is a processor built for one job: running AI models fast at very low power. What TOPS numbers actually mean and why every new laptop ships with one.
Kurumi · · 2 min read Micron has whipsawed in 2026 — record highs on AI memory demand, sharp drops on rate fears, AI-capex doubts, and a Google compression breakthrough. What's moving it.
Chisato · · 6 min read Google TurboQuant compresses AI model memory ~6x with no accuracy loss or retraining, and speeds attention up to 8x. How it works and what it means for HBM.
Kurumi · · 3 min read Micron and Anthropic signed a four-pillar agreement — memory co-design, a multi-year supply deal, Claude adoption, and a Series H investment. Here's what it means.
Takina · · 2 min read Cloudflare's June updates target AI agents: longer-lived Durable Objects, tokenless temporary deploys, PlanetScale databases, and a private bot protocol.
The Lycoris Team · · 5 min read JSON Schema is a vocabulary for describing and validating the shape of JSON data. How schemas work, where they show up, and the keywords that matter.
The Lycoris Team · · 2 min read Getty Images will surface its licensed library inside ChatGPT's search experience under a multi-year deal with OpenAI — another step from lawsuits to licensing.
Chisato · · 5 min read Rust has topped developer-love surveys for years running. Beyond the hype, here's what it actually does differently — and where it's worth the learning curve.
Takina · · 4 min read WebRTC lets browsers stream audio, video, and data directly between peers — no plugins. How getUserMedia, RTCPeerConnection, and ICE/STUN/TURN fit together.
The Lycoris Team · · 4 min read Monoliths ship faster early; microservices buy independent scaling and team autonomy at the cost of distributed complexity. How to choose.
Chisato · · 4 min read OAuth 2.0 handles authorization, OIDC adds authentication, and SAML powers enterprise SSO. How the three protocols differ and which one your app needs.
Kurumi · · 6 min read The AI memory supercycle, explained: why HBM demand outran supply, how DRAM pricing turned, what could end the boom, and what it means for chip stocks.
Takina · · 3 min read HTML is the standard markup language that structures every web page. Learn how elements, tags, and semantic HTML shape the web.
Chisato · · 3 min read A vector embedding turns text, images, or audio into numbers where similar meanings land close together — the foundation of semantic search and RAG.
Chisato · · 2 min read Z.ai is the global brand of Zhipu AI, the Chinese lab behind the open-weight GLM models. Here's what Z.ai is, the GLM lineup, and why it matters.
Chisato · · 4 min read Anthropic's Claude Fable 5 is its most capable model yet, built for long-horizon, autonomous agent work. Here's what's new, what it costs, and when to use it.
The Lycoris Team · · 3 min read Git is a distributed version control system that tracks changes to code and enables collaboration. Learn the core concepts and everyday workflow.
Chisato · · 5 min read Redis and Memcached are both in-memory caches, but they differ on data types, persistence, and threading. How to choose — and when each one wins.
Chisato · · 4 min read Diffusion models generate images by learning to reverse a gradual noising process. How they work, what powers Stable Diffusion, and how they compare to GANs.
Takina · · 4 min read Container queries let components respond to the space they're given, not the viewport. Here's how they work and when to reach for them.
Chisato · · 5 min read Docker builds and runs containers; Kubernetes orchestrates fleets of them. What each tool does, how they work together, and when Compose is enough.
Chisato · · 3 min read Looking for Claude Sonnet 5? Here's the honest answer — plus a clear map of Anthropic's 2026 models: Haiku 4.5, Sonnet 4.6, Opus 4.8, and the new Fable 5.
Chisato · · 5 min read The padlock in your address bar hides a clever handshake. Here's what actually happens when you load an HTTPS site — encryption, certificates, and trust.
Chisato · · 5 min read Stop deploying by hand. Learn how to set up continuous integration and deployment with GitHub Actions — tests on every push, deploys on every merge.
Chisato · · 4 min read Quantization reduces the numeric precision of a model's weights — e.g. FP16 to INT8 or INT4 — to shrink memory use and speed up inference with minimal accuracy loss.
The Lycoris Team · · 3 min read China unveiled a $295 billion, five-year national AI infrastructure plan — one of the largest state AI commitments ever. Here's the scale and the strategic stakes.
Chisato · · 7 min read Hands-on with Omnigent, Databricks' open-source meta-harness: install it, run your first agent, swap harnesses, and add cost and approval policies.
Chisato · · 3 min read A GPU packs thousands of small cores built for parallel arithmetic. Originally for graphics, it's now the engine behind training and running AI models.
Chisato · · 5 min read OAuth 2.0 grant types are the flows apps use to get access tokens. Authorization code with PKCE, client credentials, device flow — and when to use each.
The Lycoris Team · · 5 min read When should you rebase and when should you merge? A clear, example-driven breakdown of the trade-offs, plus a simple workflow you can adopt today.
Takina · · 5 min read Static sites don't need a search server. Learn how Pagefind indexes your HTML at build time and adds fast, client-side full-text search for free.
Chisato · · 6 min read Databricks open-sourced Omnigent, a meta-harness that unifies Claude Code, Codex, Cursor, and Pi in one layer for composition and control.
Chisato · · 5 min read GLM 5.2 is Zhipu/Z.ai's open-weight flagship: a one-million-token context window, top-tier open coding, MIT-licensed weights. What it is and how to run it.
Chisato · · 2 min read xAI's Grok 4.3 hit Amazon Bedrock as the cheapest US frontier reasoning model, while the 6-trillion-parameter Grok 5 slips. Here's where xAI stands in 2026.
The Lycoris Team · · 5 min read Platform engineering transforms DevOps into a product mindset, giving developers self-service golden paths so they can ship without becoming Kubernetes experts.
The Lycoris Team · · 7 min read A load balancer distributes traffic across servers to prevent overload and downtime. Layer 4 vs Layer 7, routing algorithms, health checks, and TLS.
The Lycoris Team · · 5 min read JSON and YAML represent the same data — the difference is syntax, strictness, and footguns. Where each format wins, and which to pick for configs and APIs.
The Lycoris Team · · 5 min read Noam Shazeer, a co-author of the Transformer paper that underpins modern AI, is leaving Google DeepMind for OpenAI — the AI talent war's latest marquee move.
Chisato · · 5 min read Kimi is Moonshot AI's assistant and open-weight model family, known for huge context and agentic coding. Here's what Kimi is and what the K2 models can do.
Takina · · 4 min read Grid and Flexbox aren't rivals — they solve different problems. A simple rule of thumb, with examples, for choosing the right layout tool every time.
Chisato · · 3 min read High-Bandwidth Memory stacks DRAM dies vertically beside the processor, delivering far more bandwidth than DDR5 or GDDR — and AI hardware depends on it.
Takina · · 5 min read WebAssembly lets near-native code run in the browser and beyond. It's no longer experimental — here's where it's actually being used and why it matters.
The Lycoris Team · · 4 min read Apache Kafka is a distributed event-streaming platform built on a durable, append-only log. How topics, partitions, and consumers power real-time pipelines.
Chisato · · 5 min read AI coding tools have moved from autocomplete to autonomous agents. Here's where the technology actually stands in 2026 — and where it still falls short.
Chisato · · 6 min read OAuth 2.0 lets apps access your data without your password. How the authorization flow works, what PKCE adds, and how OAuth differs from authentication.
The Lycoris Team · · 2 min read On August 2, 2026, the EU gains real enforcement power over general-purpose AI models — fines, mandated mitigations, even recalls. What providers need to know.
Chisato · · 3 min read gRPC is a high-performance RPC framework from Google that uses HTTP/2 and Protocol Buffers for fast, typed, cross-language service communication.
Takina · · 4 min read A WebSocket is a protocol for full-duplex, persistent communication over a single TCP connection. Learn how it works, when to use it, and what the alternatives are.
Kurumi · · 2 min read Samsung, SK Hynix, and Micron are racing to mass-produce HBM4 and win NVIDIA's orders. Inside the next phase of the memory supercycle — and who's ahead.
Takina · · 3 min read GraphQL is a query language for APIs where clients request exactly the data they need. Learn how it works, when to use it, and how it compares to REST.
Takina · · 4 min read CORS lets a server opt in to cross-origin browser requests, relaxing the same-origin policy in a controlled way. Why it exists and how to fix CORS errors.
The Lycoris Team · · 5 min read A growing movement wants apps that work offline, sync seamlessly, and keep your data yours. Here's what 'local-first' means and why developers are excited.
The Lycoris Team · · 3 min read Go is a compiled language from Google built for simplicity, fast builds, and easy concurrency — the language behind Docker and Kubernetes.
Chisato · · 3 min read Google released Gemini 3 — Pro, Flash, Deep Think, and a 3.5 series — across the Gemini app, AI Studio, and Vertex AI. Here's the lineup.
Chisato · · 2 min read Google's AI Mode in Search now runs on Gemini 3.5 Flash and adds 24/7 agents that monitor the web for you — what it calls the biggest change to Search in 25 years.
Takina · · 4 min read JavaScript is single-threaded, yet pages stay responsive. A clear tour of the call stack, task queue, and microtasks — with examples you can run.
Takina · · 4 min read CSS is the language that styles every web page. Learn how selectors, the cascade, the box model, and modern layout tools like flexbox and grid work.
The Lycoris Team · · 3 min read An API is a defined contract that lets one piece of software talk to another. Learn what APIs are, how they work, and why modern software runs on them.
The Lycoris Team · · 4 min read Terraform lets you declare cloud infrastructure as code and provision it reproducibly across AWS, GCP, and Azure. How plan/apply, state, and modules work.
Chisato · · 2 min read AMD's Instinct MI400 brings 432GB of HBM4 and a full-rack Helios system to challenge NVIDIA in 2026. Here's what the MI455X packs and why it matters.
Chisato · · 4 min read Quantum computers threaten RSA and ECC. The NIST post-quantum standards are finalized — here's what they replace, what's already deployed, and how to prepare.
The Lycoris Team · · 2 min read At WWDC 2026, Apple unveiled 'Siri AI' — a ground-up redesign powered by Google's Gemini through a multi-billion-dollar partnership. Here's what changed and why.
Chisato · · 5 min read The Model Context Protocol (MCP) is the USB-C of AI — one open standard that lets any model plug into your tools and data. How it works and why it won.
Chisato · · 2 min read OpenAI and NVIDIA unveiled a landmark deal: at least 10 gigawatts of NVIDIA systems and up to $100 billion in investment, starting on the Vera Rubin platform.
The Lycoris Team · · 6 min read JSON is a lightweight text format for structured data — the default for APIs and config files. Syntax, examples, common mistakes, and why it beat XML.
Takina · · 5 min read Signals offer fine-grained reactivity with automatic dependency tracking — and nearly every major framework has adopted them. Here's why the model won.
Takina · · 4 min read Tailwind v4 rewrites the engine from scratch for dramatically faster builds and moves configuration into CSS itself. Here's what changed and how to work with it.
Chisato · · 4 min read A JWT is a compact, signed token that carries JSON claims — identity and authorization without a session lookup. How it works and what to watch out for.
Chisato · · 5 min read uv replaces pip, virtualenv, pip-tools, and more in one Rust-powered tool. Learn how to install, manage dependencies, and run Python projects with uv.
The Lycoris Team · · 5 min read Supply chain attacks exploit your dependencies, not your code. Learn SBOMs, SLSA, and Sigstore to defend against them before a CVE drops.
Chisato · · 4 min read Cloudflare's developer platform keeps growing — databases, object storage, and full-stack frameworks at the edge. What it means for how we ship web apps.
Takina · · 4 min read The View Transitions API brings smooth, app-like transitions to the web without a heavy SPA framework. Here's how it works and how to use it today.
Takina · · 4 min read Hydration is how JavaScript wakes up server-rendered HTML so static markup becomes interactive. The cost, the tradeoffs, and the modern alternatives.
Chisato · · 2 min read Docker packages your app and everything it needs into one portable container. Learn the core concepts and ship your first containerized app in minutes.
Takina · · 5 min read An honest comparison of Bun and Node.js in 2026 — speed, ecosystem, built-in tooling, and when each runtime actually wins.
Chisato · · 3 min read SQL is the standard language for querying and managing relational databases. Learn the core statements, how joins work, and when SQL is the right tool.
The Lycoris Team · · 4 min read Serverless means deploying code without managing servers — the platform scales it and you pay per use. How it works and where it fits.
Chisato · · 4 min read Prompt caching can slash LLM API costs and latency by reusing repeated context. Here's how it works, what to cache, and the silent mistakes that break it.
Chisato · · 6 min read Redis is an in-memory key-value store used as a cache, database, and message broker. How it works, why it's sub-millisecond fast, and when to use it.
The Lycoris Team · · 4 min read SQL and NoSQL aren't rivals — they suit different shapes of data. How relational and non-relational databases compare, and how to pick.
Chisato · · 5 min read eBPF runs sandboxed programs inside the Linux kernel without recompiling it. How it works and why it reshaped observability, networking, and security.
Takina · · 4 min read Astro 6 lands with a refined Content Layer, faster builds, and tighter defaults — what matters for content sites and how to upgrade calmly.
Chisato · · 3 min read Fine-tuning continues training a pretrained model on a task-specific dataset. How it works, when to use it over prompting or RAG, and what can go wrong.
Chisato · · 4 min read Open-weight AI models are catching up to the best closed systems on many tasks — and you can run them yourself. What's driving the shift and what it means.
Takina · · 2 min read A complete, step-by-step guide to deploying your Astro blog or site to Cloudflare Pages — from git push to a live URL on the global edge.
Chisato · · 5 min read PostgreSQL is a powerful, open-source relational database known for reliability and extensibility. Learn how Postgres works and why developers love it.
The Lycoris Team · · 3 min read A REST API is a web API that follows a set of conventions built on HTTP. Learn how URLs, HTTP methods, status codes, and JSON fit together.
Chisato · · 4 min read The transformer is the architecture behind modern LLMs. How attention, tokens, and stacked layers combine to make today's AI work.
Chisato · · 2 min read NVIDIA unveiled Vera Rubin — a platform of six new chips designed to work as a single AI supercomputer — while its Vera CPU enters full production. What's coming.
Chisato · · 6 min read Passkeys are phishing-resistant, faster to use, and now supported almost everywhere. Here's how they work and why the password era is finally ending.
Chisato · · 9 min read What are LLMs and how do they work? A plain-English guide to large language models: tokens, training, real examples, and what they still get wrong.
Takina · · 4 min read HTTP/3 runs over QUIC instead of TCP, cutting head-of-line blocking and speeding up connections with built-in TLS 1.3. What changed and why it matters.
The Lycoris Team · · 5 min read Zig is a systems language built on radical explicitness — no hidden allocations, no macros, no preprocessor. Why developers are paying attention.
Chisato · · 3 min read A vector database stores embeddings and finds information by meaning, not keywords — the backbone of AI search and RAG. Here's how vector databases work.
Kurumi · · 2 min read Anthropic confidentially filed to go public, reportedly valued near $965B with about $47B in annualized revenue. Here's what the Claude maker's debut could mean.
Takina · · 3 min read JavaScript is the programming language that makes web pages interactive. Learn how it works alongside HTML and CSS, and why it runs nearly everywhere.
Takina · · 5 min read React Server Components render exclusively on the server and stream a serialized result — no client JS shipped for that component. Here's what that actually means.
Chisato · · 3 min read Reasoning models 'think' before they answer, trading inference time for accuracy on hard problems. Here's how test-time compute, adaptive thinking, and effort work.
Chisato · · 7 min read Mixture of Experts (MoE) scales LLMs by activating only a few experts per token. How routing, sparse activation, and load balancing actually work.
Chisato · · 6 min read Ollama is a free, open-source tool for running LLMs locally — pull a model with one command and chat privately, offline, at no per-token cost. How it works.
Takina · · 4 min read The DOM is the live in-memory tree browsers build from your HTML, which JavaScript reads and manipulates. Learn how it works and why it matters.
Chisato · · 3 min read Run open-weight LLMs on your own machine with Ollama — private, offline, and free. This guide covers install, models, the local API, and customization.
Chisato · · 4 min read An AI agent is an LLM-powered system that pursues a goal across steps — planning, calling tools, observing results, and repeating until the job is done.
The Lycoris Team · · 6 min read RISC-V is a free, open instruction set architecture anyone can implement without royalties. How it works, why it matters, and where it's already winning.
Chisato · · 4 min read Retrieval-augmented generation (RAG) grounds an LLM in your own data — cutting hallucinations and adding citations without retraining. Here's how RAG actually works.
Takina · · 3 min read TypeScript adds a safety net to JavaScript without slowing you down. Here's how to set it up, the handful of concepts that matter, and how to adopt it gradually.
Takina · · 4 min read Vite serves source over native ES modules in development and bundles with Rollup for production. Why it replaced Webpack for most front-end projects.
Takina · · 5 min read Core Web Vitals affect both user experience and search ranking. Here's what LCP, INP, and CLS actually measure and the highest-impact ways to fix each one.
The Lycoris Team · · 3 min read Python is a high-level, readable general-purpose programming language that dominates data science, AI, and web backends. Here's why it became so popular.
Chisato · · 3 min read A CDN caches your content on servers around the world so users load it from nearby. How CDNs cut latency, protect origins, and power dynamic apps.
Chisato · · 3 min read A small language model runs cheaply on-device, trading some capability for speed, privacy, and cost. When SLMs beat frontier models and how they're built.
Chisato · · 3 min read DNS translates domain names into IP addresses. How DNS resolution works, the common record types, and why it underpins everything on the web.
Takina · · 4 min read WebGPU is far more than a WebGL replacement. It exposes compute shaders, maps to modern GPU APIs, and enables in-browser ML inference.
Takina · · 4 min read A webhook is an HTTP callback that notifies your server the moment something happens — no polling. How webhooks work and how to use them safely.
Chisato · · 6 min read Kubernetes (K8s) is the open-source system for deploying, scaling, and managing containers. A plain-English definition, core concepts, and when to use it.
The Lycoris Team · · 5 min read Putting compute at the edge is old news — now the data is moving there too. Edge databases promise low latency everywhere, with some real trade-offs.
Chisato · · 3 min read Letta (formerly MemGPT) builds stateful AI agents with long-term memory that persists across sessions. Here's what Letta is and how its memory model works.
Takina · · 4 min read Server-Sent Events stream real-time updates over a single HTTP connection. How SSE works, when to use it, and how it compares to WebSockets.
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