DEVELOPER NEWS STREAM
Direct logs, engine updates, and framework notifications parsed from curated RSS feeds and announcements, updated hourly.
Kazutaka SugiyamaWhy `vitest --changed` misses some tests (and how runtime coverage fixes it)
Your CI re-runs the entire test suite on every push. But a one-line change can only break a handful...
Theo OliveiraHow We Built an AI SaaS on the Edge for Nearly $0 in Infrastructure Costs
Architecture decisions, stack choices, and trade-offs of a Brazilian SaaS running on Cloudflare Workers, Hono, and D1 — and how it enabled a real freemium plan from day one.
ZuroxThe Hard Part of a Global Birth-Chart Calculator Was Time
A birth-chart form looks simple: ask for a date, time, and place, then calculate. The interface may...
Adarsh NI Built a 'Living World' Eco App with AI - Here's Every Architectural Decision That Mattered
TL;DR: I built EcoAscent; a gamified eco-awareness app where a hand-drawn SVG world visually decays...
kulman LabOverhauling a CAD Engine: Rebuilding Multileader Text Layout & Editor Mechanics
A quick look at how I rewrote our Multileader (MLEADER) text engine, fixed multi-line rendering bugs, and built seamless canvas text editor integration.
ShivWadI built an AI mock interviewer with LangGraph.js and DeepSeek — here's what I learned
DevGrill Static interview prep tools have a fundamental problem: they show you the question, you...
MarkA roof calculator that multiplies length by width is lying to you
I started building a roof area calculator thinking it would be a weekend thing. You take the length,...
nyaomaruHow I Built the Editor and Compile Pipeline for a TypeScript DSA Visualizer (DSA View View 👀👀)
Hoi hoi! I'm @nyaomaru, a frontend engineer. Thanks to my daily Duolingo streak, Dutch is finally...
GrahamduesCNHow to build your first MCP server in 10 minutes
I built my first MCP server last week and it was way simpler than I expected. Here is exactly how, no...
Bhavya AroraThe "Native-First" Revolution: How Node.js 24 Is Ending Dependency Hell in 2026
Node.js 24 LTS quietly replaces many of JavaScript’s most-used tools. TypeScript execution, testing, env loading, SQLite, HTTP requests, file watching, and runtime security are now built in—no extra packages required. This guide covers what changed, what you can remove, where third-party tools still excel, and how to migrate safely.
Carlos Oliva PascualExpo & React Native Complete Guide for Web Developers (2026)
If you know React and TypeScript, you already know 80% of what you need to build a real mobile app....
Khanh LeStop telling your RAG bot not to hallucinate. Make it impossible.
The suggestion every RAG app ignores If you've shipped a retrieval-augmented assistant,...
AyhanYetginI Built an Open Source Tool to Cut Claude Code Token Waste by 70%"
What is ContextOpt? ContextOpt is a smart proxy that sits between your AI agent and its...
Iurii RoguliaJSON vs YAML vs TOML vs CSV vs Protobuf: Developer's Guide
Data format comparison: JSON, YAML, TOML, CSV, Protobuf, MessagePack — tradeoffs, performance, and a decision framework for production systems in 2026.
Saurav BhattacharyaThe Cold-Start Problem for Agent Evals: What to Gate on Day One With Zero Labeled Data
You just shipped an agent. It works in the demo. Now someone asks the reasonable question: "How do we...
Anas Sheikh6 React Mistakes That Waste Hours — And How to Fix Them
I've reviewed a lot of React codebases. The same mistakes appear every time. Here are the 6 that...