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What Really Happens When React State Changes?

You write this: const [ count , setCount ] = useState ( 0 ); Then the user clicks a button: setCount ( count + 1 ); And your UI changes: Count: 0 to…

ContextSwitch — take your AI conversations with you

There Is No Official TikTok LIVE API. Here Is How to Get the Data Anyway

TikTok's developer platform covers login kits, content posting and basic profile fields. But the LIVE side of TikTok, which is an entire economy of…

A Beginner's Guide to Starting with HTML, CSS, and JavaScript

Everything you need to go from a blank text editor to a working, useful webpage Every website you've ever visited — no matter how complex — is built…

How I Built a Free, 100% Client-Side Gemini & Veo Video Watermark Remover Using Inverse Alpha Math

If you've generated images with Google Gemini (Imagen 3) or videos with Google Veo 3 , you've probably noticed the visible semi-transparent 4-pointe…

Building 60fps Canvas Particle & Drift Animations in Next.js 15

Interactive visual effects—such as ambient drift particles, soft glow repulsion, and floating background dynamics—can elevate web applications. Howe…

Building a Client-Side Byte to String Decoder with Unicode Support

Hey DEV community! 👋 When debugging network streams, parsing custom file formats, or inspecting database buffers, we often extract data as raw array…

How to Accelerate Next.js App Router API Routes by 10x

Next.js App Router brought powerful server-side capabilities with React Server Components (RSC) and standard Route Handlers ( app/api/route.ts ). Ho…

I Built an API Because My Government’s Website Got the Date Wrong (and Just… Deleted It)

There’s a funny (and slightly sad) story behind why I built mabims.dev . It started with a date. More specifically, a Hijri date . Once Upon a Time,…

My New Portfolio.

𝗚𝗮𝘄𝗮𝗱’𝘀 𝗦𝘁𝗲𝗹𝗹𝗮𝗿 𝗦𝘆𝘀𝘁𝗲𝗺: “𝗔 𝘂𝗻𝗶𝘃𝗲𝗿𝘀𝗲 𝘄𝗵𝗲𝗿𝗲 𝘂𝗻𝗶𝗾𝘂𝗲𝗻𝗲𝘀𝘀 𝗮𝗻𝗱 𝗵𝗮𝗿𝗺𝗼𝗻𝘆 𝗮𝗿𝗲 𝗲𝘃𝗲𝗿𝘆𝘁𝗵𝗶𝗻𝗴.” While working on my portfolio, I realized that a normal static web…

I built a complete DJ console in a single HTML file using Web Audio API

Hey dev community! I want to share a project I just launched: MasterDJ AI — a professional DJ platform that runs entirely in the browser. What is it…

How a WhatsApp Web Extension Interacts With the Chat Interface

When people see a browser extension add translation controls, a side panel, or a sending workflow to WhatsApp Web, a common question is: how does th…

Building Bulletproof Credit & Compute Billing Systems for GPU-Heavy Workflows

The commercial viability of decentralized, high-throughput visual workflow engines hinges upon a rigorous economic model: the translation of volatil…

storage_size.js Module in WebForms Core

What is WebForms Core? WebForms Core is a modern technology from Elanat , introduced in 2024, that provides a two-way communication model between se…

Your scraper's defaultCountry setting invents phone numbers

Most contact scrapers have a setting called something like defaultCountry or region . It looks harmless. It is the fastest way to fill a database wi…

I Built SaveBuddy – A Simple Chrome Extension to Save & Manage Bookmarks

SaveBuddy – A Simple Chrome Extension to Save & Manage Your Favorite Links Every day we open dozens of tabs in Chrome, and eventually lose track…

Replacing Algolia with an In-Memory Search in Next.js 14

The most satisfying commit of our migration off Contentful was the one that only deleted things. Out went the Algolia client, the sync route that pu…

JavaScript Event Loop: How Does JavaScript Handle Multiple Tasks?

JavaScript is often called single-threaded . That means it has one main thread and can execute one piece of JavaScript at a time . So here is the ob…

How I Built a Zero-Install, Multi-Gigabyte P2P File Transfer Engine in the Browser with WebRTC & File System Access API

Ever tried sending a 15GB 4K video file or a raw dataset to a teammate sitting at the next desk? The options are surprisingly clunky: Hunt for a phy…

52 Days of Silent Zeros: The Stop Hook Payload Has No usage Field

I used to be a college student scraping by on ¥100k a month. Then I was laid off. Six months later, after building an autonomous Claude Code environ…

Building an AI Fairy Tale Generator with JavaScript, PowerShell, .NET, and Local Ollama (AdvantageBuilder Demo)

Recently I published a demo showing how AdvantageBuilder can orchestrate multiple runtimes — JavaScript V8, PowerShell, .NET, and local AI (Ollama)…

A test said the server started. I deleted the server. It still passed.

Here is a test from a real, well run Node project: test ( ' server starts ' , async ( t ) => { const app = build () await app . listen ({ port :…

Building a Braille Translator in the Browser: When Unicode Bit Manipulation Meets AI Pair Programming

While working on a collection of browser-based utility tools, I stumbled upon an interesting challenge: building a Braille translator. Not because I…

Javascript If-else Statement

The JavaScript if-else statement is used to execute the code whether condition is true or false. There are three forms of if statement in JavaScript…

How to Validate and Format JSON Before Using It in Your API

Working with APIs often means dealing with JSON. Most of the time, JSON is straightforward to read and write, but a small syntax mistake can make an…

This week: payments in the framework, nine brands migrated in an hour, and the start of a video pipeline

This was a consolidation week. I run a bunch of small products under ITW Creative Works , and for years each one carried its own slightly different…

useFieldArray is not updating across steps — and why it can't

If you have a wizard where step two appends to items and step four also appends to items, and the two steps never see each other's data — you have n…

Scaling Generative AI Media: Advanced Asset Management & CDN Optimization for High-Volume Workflows

The architecture of high-volume generative media applications diverges drastically from traditional content management systems. In a conventional we…

Stop Installing Libraries: 13 Native APIs That Went Baseline in 2026

TL;DR: The browser caught up while you weren't looking. As of 2026, all 13 of these APIs are Baseline — supported across every major browser — so yo…

Migrating from Java to JavaScript/TypeScript? Here's how to map your stack

Moving services from Java (Spring Boot) to Node.js / TypeScript is a common transition when engineering teams want faster iteration speeds, unified…