Development

Building for Bursty Traffic: Queues and Real-Time Design for a World Cup App July 11, 2026

Sports traffic is a brutal test case for system design. Nothing happens for 89 minutes, then a goal …

Day 132 of Learning MERN Stack

Hello Dev Community! 👋 It is officially Day 132 of my software engineering marathon! Today, I built…

How I Turned Slack Into an AI Teammate That Opens Pull Requests

This is a submission for Weekend Challenge: Passion Edition While talking about AI workflow automat…

fluent-ffmpeg vs FFmpeg Micro: Why Node.js Developers Switch to a Cloud API

Originally published at ffmpeg-micro.com fluent-ffmpeg is the go-to FFmpeg wrapper for Node.js deve…

Stop using regex for phone validation - use this instead

A regex for "valid phone number" is a trap. International phone numbering isn't regular: number leng…

FFmpeg dynaudnorm Filter: Dynamic Audio Normalization Guide

Originally published at ffmpeg-micro.com You're editing together clips from three different recordi…

I Added PDF-to-Word, PDF-to-JPG, and PDF-to-PowerPoint to My Privacy-First File Tools Site

A few months ago I built FileForge Tools, a free site for everyday file conversions (image, PDF, tex…

IBAN validation guide for developers

IBAN validation trips people up because it looks like it should be a length check plus a regex, and …

I Built a Full-Stack Ticketing Platform. Here are 4 Infrastructure Nightmares I Had to Fix

Building a full-stack application usually starts out easy. You set up your routes, connect your data…

How to validate email addresses properly in 2026

"Just use a regex" is the most common wrong answer to email validation. Here's what actually matters…

I built a Reddit Data API after the May 2026 JSON endpoint shutdown

What happened in May 2026 On May 30, 2026, Reddit killed all unauthenticated .json endpoints with…

React useTransition Hook Complete Guide (React 18 (Hindi)

React useTransition Hook क्या है? React 18 के इस powerful feature से slow UI renders को smoothly han…