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The #2 cause of runaway Claude API costs (it's not infinite loops)
webdev2026-04-27
Atlas WhoffAtlas Whoff

The #2 cause of runaway Claude API costs (it's not infinite loops)

When developers worry about runaway AI API costs, they think about infinite loops. An agent that...

I Sniped a Solana Token in 400ms — Here's the Full Tech Stack
solana2026-05-04
ApolloApollo

I Sniped a Solana Token in 400ms — Here's the Full Tech Stack

I Sniped a Solana Token in 400ms — Here's the Full Tech Stack Sniping a newly launched...

API Calls Done Right: From Messy Fetch to Clean Data Layer
typescript2026-05-19
Gavin CettoloGavin Cettolo

API Calls Done Right: From Messy Fetch to Clean Data Layer

I've seen this file in almost every frontend project I've ever touched. It's usually called api.js...

How to Use API Key Metadata to Enforce Dynamic Rate Limits and Quotas in an AI API
webdev2026-06-05
Chidera HumphreyChidera Humphrey

How to Use API Key Metadata to Enforce Dynamic Rate Limits and Quotas in an AI API

Introduction The moment your API needs more than one plan, the cracks start to show. You...

Custom Essay Writing Service Online
api2026-05-04
Go Paper WriterGo Paper Writer

Custom Essay Writing Service Online

Custom Essay Writing Service Online https://www.gopaperwriter.com/essay-service/ Custom Essay...

Subjects We Cover
typescript2026-05-04
Academic Writer UkAcademic Writer Uk

Subjects We Cover

Subjects We Cover https://www.academicwriter.co.uk/termpaper-writing-service/ Our term paper...

Building a Multi-Category Unit Converter in TypeScript — Base-Unit Multiplier Pattern, 8 Categories, and Temperature Special-Casing
typescript2026-05-04
Shaishav PatelShaishav Patel

Building a Multi-Category Unit Converter in TypeScript — Base-Unit Multiplier Pattern, 8 Categories, and Temperature Special-Casing

Unit conversion looks trivial until you sit down to build it. Most categories reduce to a single...

Payload CMS Has 508 Circular Dependencies. Next.js Has 17. Here's Why They Form in Every Large JS Codebase.
eslint2026-05-30
Ofri PeretzOfri Peretz

Payload CMS Has 508 Circular Dependencies. Next.js Has 17. Here's Why They Form in Every Large JS Codebase.

Circular dependencies accumulate silently in every large JavaScript codebase. Payload has 508, Next.js has 17, Strapi has 5. They bloat your bundle, slow your tests, and cause mysterious undefined errors at runtime that disappear when you add a console.log. Here is why they form and how to find them all.

Building an SEO crawler in TypeScript: what I learned
programming2026-05-28
AlfonAlfon

Building an SEO crawler in TypeScript: what I learned

I have been working on a project called SEOCore, which is an SEO crawler and audit CLI built with...

I Sniped a Solana Token in 400ms — Here's the Full Tech Stack
solana2026-05-04
ApolloApollo

I Sniped a Solana Token in 400ms — Here's the Full Tech Stack

I Sniped a Solana Token in 400ms — Here's the Full Tech Stack In the fast-paced world of...

I built a community-driven travel planner for my university thesis
showdev2026-05-30
Christos KerigkasChristos Kerigkas

I built a community-driven travel planner for my university thesis

I built a community-driven travel planner as my university thesis. The app lets users explore...

I Sniped a Solana Token in 400ms — Here's the Full Tech Stack
solana2026-05-04
ApolloApollo

I Sniped a Solana Token in 400ms — Here's the Full Tech Stack

I Sniped a Solana Token in 400ms — Here's the Full Tech Stack Yesterday, I managed to...

Why agents need workbook APIs instead of spreadsheet screenshots
typescript2026-05-07
Greg KonushGreg Konush

Why agents need workbook APIs instead of spreadsheet screenshots

A practical case for treating spreadsheet state as an API boundary for Node services and coding agents.

Prose reader, a modern reading system engine
webdev2026-05-30
MaximeMaxime

Prose reader, a modern reading system engine

Hi HN, I’m the author of Prose, an MIT-licensed reading engine / SDK for building reading apps on...

Transducers in JavaScript: When `reduce()` Is Not the End of the Story
webdev2026-05-30
Amrishkhan Sheik AbdullahAmrishkhan Sheik Abdullah

Transducers in JavaScript: When `reduce()` Is Not the End of the Story

In my previous article, I wrote about one of the most underestimated functions in JavaScript:...

Cursor + Claude: stop shipping broken env vars
nextjs2026-04-30
SathishSathish

Cursor + Claude: stop shipping broken env vars

I stopped guessing why builds break. I lint env vars. I generate .env.example from code. Not docs. I...