Gemini Flash doubles on 1 January, and the 200K cliff is worse
Google's headline Flash rate is promotional and reverts on 1 January 2027. We ran three real workloads through the change, and found a second, sharper problem hiding above 200K tokens on Gemini 3.1 Pro.
Why your React useEffect is revoking its own blob URL
An image tool that worked exactly once, then failed on every adjustment. The file format was innocent. A cleanup effect keyed on the URL it revokes was destroying its own source image.
next/og: Expected div to Have Explicit display: flex, Fixed
Satori throws this error when a div has one child, not just when it has several. Here is the actual rule, the four cases where the message misleads you, and what each workaround costs.
One Week in the AI Money Machine: $25B in Bonds, a Record IPO, and a Moratorium
Amazon raised $25 billion in bonds, SK Hynix pulled off the largest foreign US listing ever, Meta committed to doubling compute, and New York hit pause. All in the same two weeks.
GPT-5.6: What Sol, Terra, and Luna Actually Mean for Developers
OpenAI shipped GPT-5.6 as a three-tier family: Sol, Terra, and Luna. Here's the pricing, the new caching rules, and which tier your workload actually needs.
Autonomous Coding Agents Redefining Software Development
Autonomous coding tools like Claude Code and specialized environments are shifting the developer role from writing code to orchestrating logic.
Run Two Claude Code Accounts at Once (Personal + Office)
Claude Code has no account switcher yet, but one environment variable lets you keep a personal and an office login active at the same time. Here's the full setup.
React Server Components in Depth: What They Are and When to Use Them
React Server Components fundamentally change how we think about rendering. This guide breaks down how they work, how they differ from Client Components, and the patterns that will make your Next.js apps faster.
10 VS Code Extensions That Actually Make You a Better Developer
Skip the bloated extension packs. These 10 VS Code extensions have earned a permanent spot in my setup, each one solves a real problem, ships no junk, and earns its memory footprint.
Getting Started with Next.js 16: A Complete Guide
Everything you need to know to build fast, modern web applications with Next.js 16 App Router, Server Components, and TypeScript. From project setup to production deployment.
CSS Grid vs Flexbox: When to Use Each (With Real Examples)
The grid vs flexbox debate persists because developers treat them as alternatives. They're not, they solve different problems. This guide shows you exactly when to reach for each one.
Why TypeScript Generics Are More Powerful Than You Think
A deep dive into TypeScript's generic type system, from basic usage to advanced patterns like conditional types, infer, and mapped types that will make your code safer and more expressive.