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Rate Limiting Basics: Protecting Your API Without Breaking It

Rate Limiting Basics: Protecting Your API Without Breaking It

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3 min read
How to Debug a Large Codebase When You Don’t Know Where the Bug Is

How to Debug a Large Codebase When You Don’t Know Where the Bug Is

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7 min read
PostgreSQL Vacuum Internals for High-Write Mobile Backends

PostgreSQL Vacuum Internals for High-Write Mobile Backends

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4 min read
WebSockets: How Real-Time Communication Works

WebSockets: How Real-Time Communication Works

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9 min read
The bug that only happened if you bookmarked the page

The bug that only happened if you bookmarked the page

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4 min read
Your Next.js Server Actions Are Public API Endpoints. Most Developers Don't Realize This.

Your Next.js Server Actions Are Public API Endpoints. Most Developers Don't Realize This.

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4 min read
MiniAI Chat SDK – React AI Chat in 5 Minutes with Claude, Gemini, and LLM7

MiniAI Chat SDK – React AI Chat in 5 Minutes with Claude, Gemini, and LLM7

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1 min read
Web Push in the Next.js App Router: Field Notes on Service Workers, VAPID, and the iOS Rule That Silently Blocks Everything

Web Push in the Next.js App Router: Field Notes on Service Workers, VAPID, and the iOS Rule That Silently Blocks Everything

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7 min read
FFmpeg.wasm in production: deadlocks, a 2 GB ceiling and a codec that lies to users

FFmpeg.wasm in production: deadlocks, a 2 GB ceiling and a codec that lies to users

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10 min read
Reads Are Subscriptions - Migrating from Zustand to Coaction

Reads Are Subscriptions - Migrating from Zustand to Coaction

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18 min read
A WordPress Plugin Changed. Then We Found a PHP Backdoor.

A WordPress Plugin Changed. Then We Found a PHP Backdoor.

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6 min read
What I decided about model cost before I had users.

What I decided about model cost before I had users.

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3 min read
Free PDF tools paywall the one button that matters. Here's why — and how I avoided it

Free PDF tools paywall the one button that matters. Here's why — and how I avoided it

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3 min read
I built 59 free browser-based dev tools in vanilla JS — here's what I learned

I built 59 free browser-based dev tools in vanilla JS — here's what I learned

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2 min read
Building Node.js REST APIs That Scale to 50k+ Requests Per Second

Building Node.js REST APIs That Scale to 50k+ Requests Per Second

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3 min read
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