I Tried 50+ Courses on Master.dev: Here Are My Top 10 Recommendations for 2026–27

The Best Way to Handle Users’ Data? Never Receive It.

Parse multi-GB Google Takeout ZIP files in the browser with JavaScript: streaming unzip with fflate, Web Workers and a strict CSP. Zero upload, zero server.

React Search: Store the Query, Derive the Results

React Search: Store the Query, Derive the Results A small ownership decision makes a search box easier to maintain A search box can introduce a surprising maintenance problem: one value becomes …

AI Is Rewriting Tech Jobs. After 20 Years in Tech, This Is the Only Skill I’d Bet On.

20 years in tech and I’ve never felt this uncertain. Here’s the one skill I’d still bet on in 2026.

GTA.js, a reimplementation of the 1997 Grand Theft Auto engine in JavaScript and WebGL

Dự án GTA.js tái tạo lại engine của game Grand Theft Auto năm 1997 bằng JavaScript và WebGL, có thể chơi tại gtajs.wtf. Đây là bản reimplement chứ không phải emulator, nên một số vật lý và animation khác với bản gốc, nhưng engine nhiệm vụ chính xác dựa trên tài liệu mtd.doc. Tác giả sử dụng Gemini AI để triển khai hầu hết các tính năng, tham khảo tài liệu mở, ghi chú cộng đồng và trí nhớ cá nhân về game. Hiện tại game đã chơi được nhưng cảnh sát (cops) vẫn chưa được implement.

Lập trình viên nên đọc bài này để khám phá cách tái tạo lại engine game cổ bằng JavaScript và WebGL từ con số không.

Room for ambition

On shared ambition, mastery, and making room for people to contribute something meaningful to the world.

Show HN: I rebuilt my old canvas 3D library as a small WebGL 2 library – phoria2

Phoria2 is a JavaScript library for building 3D visuals on the web, including charts, dashboards and product viewers, using a WebGL 2 renderer. It has no runtime dependencies, ships as plain ES modules, and only redraws views when something changes. Every option is validated so a mistake returns an error describing the fix, aimed at both developers and coding agents. It's MIT licensed, installable via 'npm install phoria2', and includes a React example. Demos cover PBR materials, instancing, glTF models, particles, shadows, and integrations with WebAssembly libraries like Rapier for physics and Manifold for solid modeling.

The Burnout of Senior Profiles

The Burnout of Senior Profiles “Pablo, I reviewed a dev’s proposed solution for problem X with him. The code was spaghetti, entirely AI-generated with staggering over-engineering, inefficient …

How Claude Code mods change the agent loop

Build a small Claude Code mod that pauses Bash calls for an explicit decision. Understand event handlers, fail-closed behavior, and the limits of previews.