DEVELOPER NEWS STREAM
Direct logs, engine updates, and framework notifications parsed from curated RSS feeds and announcements, updated hourly.
WonderLabOne Open Source Project a Day (No. 55): RuFlo - A Multi-Agent Orchestration Engine for the AI Swarm Era
Introduction "From Chat to Agents, from Agents to Swarms." This is the No.55 article in...
nareshipmeWhy ReactFlow Edges Disappear in Next.js (Two Subtle CSS and Context Bugs)
We were building a knowledge graph view — a React Flow canvas that shows topic chains and semantic...
Kemal Deniz TeketFormalized, Reviewed, Triaged — A Practitioner's Account, Part II
§0 — Hook The first article introduced a methodology that produced a working library —...
![Stop Guessing Your JSON: Building Type-Safe APIs with TypeScript and Vedika [2026-04]](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F18bytkrhl4nb46dhyupw.png)
Vedika IntelligenceStop Guessing Your JSON: Building Type-Safe APIs with TypeScript and Vedika [2026-04]
If you’ve been writing TypeScript for any amount of time, you know the pain of the any keyword. It’s...
MORINAGAHow I built a shared Claude Haiku client with system-prompt caching for batch ETL
The exact TypeScript pattern I use to cache Claude Haiku system prompts across hundreds of directory entry generations, including defensive JSON parsing.
nareshipmeWhy ffmpeg astats Crashes Node.js child_process (And the One-Line Fix)
If you're using ffmpeg from Node.js via execFile or execSync, there's a subtle way it can crash your...
David Building Real-Time A/B Model Comparison with Parallel Async Streams in TypeScript
Ever wanted to pit two LLMs against each other with the exact same prompt and see who wins — in real...
David Making Local LLMs Use Tools — Even When They Weren't Designed For It
Most local LLM UIs let you chat. Some let you tweak parameters. But what if the model could actually...
nazunyacolorlip: A JavaScript library for extracting perceptually representative colors from illustrations and photos
Hey everyone, I'm nazunya! A while ago, I was building a local service for collecting illustrations...
Gabriel AnhaiaDrizzle + Zod: A Type-Safe API in 200 Lines
Schema once. Drizzle queries, Zod validators, Hono routes, RPC client — every layer reads the same type. Vertical type safety in 200 lines.
adams.nxtCómo recorrer arrays en React (La forma correcta)
Si estás aprendiendo React, en algún punto te vas a hacer esta pregunta: “¿Cómo recorro arrays...
MaxClaude Code Leak: Lessons in npm Security, TypeScript Analysis, and AI Tool Architecture
The error made no sense: “Cannot find module ‘./dist/index.js’. Please verify that the package.json...
Gareth DunneExploring MCP UI - the next integral UI layer
Quick note: I'm looking to dive deeper into the technical nature of MCP UI in a separate post. In...
Juan TorchiaThe gay jailbreak: I ran the viral technique against my own production prompts and here's what I found
524 points on HN about a trending jailbreak technique. Instead of reading the thread, I ran it against my own production prompts. What I found isn't an isolated case — it's a systemic symptom that changes how I think about my LLM guardrails.
Gabriel AnhaiaHigher-Kinded Types in TypeScript: 4 Workarounds and When to Use Each
TypeScript has no HKTs. fp-ts URI/Kind, Effect's HKT lite, defunctionalization, branded type-functions. Pick the trick that fits.
huangyongshan46-a11ySaaS Metrics Dashboard in Next.js: MRR, Churn, and Active Users with Recharts
Building a SaaS Metrics Dashboard in Next.js: MRR, Churn, and Active Users with Recharts If you're...