Curated development tutorials from top sources. Filter by language.
Most developers don’t think about common web attacks until something breaks—or worse, until a breach is already in the news. But what if you could spo
Have you ever wondered how mobile apps and websites get their data? The answer is usually an API. In this tutorial, you will build a working REST API
I accidentally found a way to avoid youtube ads by not loading them at all
🎤 Oreste AI: il mio assistente vocale italiano fatto con HTML, CSS e JavaScript Ciao! 👋 Oggi voglio condividere il mio progetto: Oreste AI,
A major runtime just got machine-translated to a completely different language and merged in under two weeks. Let me say that again slowly. Bun, the
1. Decode JWT Payloads Without a Library JSON Web Tokens are everywhere in modern APIs, and their payload is just Base64URL-encoded JSON. W
TL;DR On March 30–31, 2026, axios versions 1.14.1 and 0.30.4 were compromised on npm with a malicious dependency that drops a remote access
I Built a Student Result Card Generator That Exports to PDF and Images Teachers and schools often rely on spreadsheets or expensive softwar
I built a website with no backend at all — every tool runs in your browser, so your data never leaves your device. It's the first thing I've ever shi
🧠 ¿Qué hace npm install en un monorepo con workspaces? Lee el package.json de la raíz. Busca todos los package.json definidos en workspaces. Lee las
A neuron computes w·x + b — a straight line. The little function after it, the activation, is what makes deep learning work. Day 2 of my DeepLearningF
Day 1 of MachineLearningFromZero built linear regression (predict a number). Day 2 turns it into a classifier with one change: a sigmoid. Spam-or-not,
A recruiter scans a resume in ~6 seconds. Bullets that start "Responsible for…" with no numbers are invisible. Here's a tiny tool that fixes the two f
That player bar pinned to the bottom of Spotify looks like a polished component. Build it and it's a 3-column grid + two divs + a timer. Day 6 of my D
I got tired of Postman being bloated and slow, so I vibe-coded a lightweight alternative. Arc (API Request Console) is a browser-based API client tha
Converting Word documents to PDFs on the server is the classic approach: upload the file, run LibreOffice or a cloud API, send the result back. But th
I've lost count of how many times a "date bug" turned out to be a timestamp bug. The funny thing is that Unix timestamps seem incredibly simple. The
Before setting up TypeScript, it's important to understand one key concept: TypeScript does not run directly. Instead, TypeScript code is first conver
10 Web APIs Every Frontend Developer Should Know (Part 0: Honorable Mentions) Over the next 10 weeks, I'll be exploring browser APIs that