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DEVELOPER NEWS STREAM

Direct logs, engine updates, and framework notifications parsed from curated RSS feeds and announcements, updated hourly.

How I Built a 38,000 Ticker Financial Engine with Zero Database and No Auth
nextjs2026-05-20
Alex VanceAlex Vance

How I Built a 38,000 Ticker Financial Engine with Zero Database and No Auth

Why I rejected traditional SaaS architecture (PostgreSQL + Auth) to build a high-performance, tax-aware compounding engine using Next.js 15 and Edge logic.

I built mcp-hub — a CLI to find and install MCP servers without digging through npm
mcp2026-05-20
GrahamduesCNGrahamduesCN

I built mcp-hub — a CLI to find and install MCP servers without digging through npm

MCP has 13,000+ servers and 97M monthly SDK downloads. But finding them sucks — you search npm with...

How to Detect Tampered PDFs (Forensics Tutorial)
nextjs2026-05-20
Iurii RoguliaIurii Rogulia

How to Detect Tampered PDFs (Forensics Tutorial)

Detect tampered PDFs using xref table analysis, metadata mismatches, orphaned objects, and font changes — 7 forensic markers explained with TypeScript…

Prisma vs Drizzle ORM: A Comprehensive Comparison
prisma2026-06-23
Lakashya UpadhyayLakashya Upadhyay

Prisma vs Drizzle ORM: A Comprehensive Comparison

“Your ORM should fit your project, not just your taste.” A Practical Guide to Choosing Between...

ReturnType and Parameters in TypeScript: Utility Types for Wrapper Functions
webdev2026-05-20
137Foundry137Foundry

ReturnType and Parameters in TypeScript: Utility Types for Wrapper Functions

Two TypeScript utility types that do not get enough attention are ReturnType<T> and...

How to Build Type-Safe Form Handlers Using TypeScript Utility Types
webdev2026-05-20
137Foundry137Foundry

How to Build Type-Safe Form Handlers Using TypeScript Utility Types

Form handling is one of the areas where TypeScript utility types save the most repetition. A typical...

duckkit: the utils JS forgot, TypeScript needs, you keep rewriting🦆
javascript2026-05-20
Zura JaposhviliZura Japoshvili

duckkit: the utils JS forgot, TypeScript needs, you keep rewriting🦆

duckkit: the utils JS forgot, TypeScript needs, you keep rewriting 🦆 You know the trick....

I built generator coroutines for my game engine, then didn't use them
typescript2026-06-23
Grzegorz OttoGrzegorz Otto

I built generator coroutines for my game engine, then didn't use them

Generator coroutines are the textbook fix for callback hell in game sequencing. Write a boss script...

The toBeEnabled() test that passed and lied to me
testing2026-06-02
Darya BelayaDarya Belaya

The toBeEnabled() test that passed and lied to me

Writing disabled-state tests for a cascading form — and what I found when one failed I wrote the...

Prefer duplication over the wrong abstraction
architecture2026-06-23
DimiDanDimiDan

Prefer duplication over the wrong abstraction

Sandi Metz wrote The Wrong Abstraction in 2016. It keeps resurfacing — in high-scoring HN threads,...

How I built a three-tier content quality ladder for programmatic directory ETL
claude2026-06-23
MORINAGAMORINAGA

How I built a three-tier content quality ladder for programmatic directory ETL

The model_used column, upgrade query pattern, and fallback chain I use to progressively enrich three Turso-backed Astro directories with Claude Haiku.

Three sleep intervals for three APIs: Steam 250ms, GitHub 100ms, HuggingFace none
typescript2026-06-23
MORINAGAMORINAGA

Three sleep intervals for three APIs: Steam 250ms, GitHub 100ms, HuggingFace none

How I set rate-limit sleep intervals for Steam, GitHub, and HuggingFace ETL pipelines — the specific numbers, the failure modes, and what each API actually tolerates.

Cloud Oneliners
typescript2026-06-23
Nikko MesinaNikko Mesina

Cloud Oneliners

While most storage libraries lock you to one cloud — and stop at the server. Genera...

TypeScript Environment Variables: The Complete Guide
typescript2026-06-23
Odejobi Abiola Samuel Odejobi Abiola Samuel

TypeScript Environment Variables: The Complete Guide

Everything you need to know about working with environment variables in TypeScript — from raw process.env to schema validation.

Your .env.example Is Lying to You, Here's How to Fix It
typescript2026-06-23
Odejobi Abiola Samuel Odejobi Abiola Samuel

Your .env.example Is Lying to You, Here's How to Fix It

Manually maintained .env.example files drift out of sync. I show you how to generate one from your schema so it's always accurate.

How I built pairwise AI model compare pages with Claude Haiku and a budget cap
ai2026-06-23
MORINAGAMORINAGA

How I built pairwise AI model compare pages with Claude Haiku and a budget cap

The O(n²) combinatorics problem with AI directory compare pages, how I budget-capped Claude Haiku calls, and dumped results to static JSON for Astro.