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…
Latest News
⚑ Report a ProblemTech news from the best sources
All topics
- игры
AI
Gear
News
Tech
agents
ai
api
architecture
automation
beginners
career
database
devops
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
react
security
showdev
testing
tutorial
typescript
webdev
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…
Эра инженерной зрелости: как выглядит стек JS-разработки в 2026 году глазами сообщества
Хайп-цикл фронтенда, кажется, наконец-то выдохся. Мы вышли из фазы бесконечного переизобретения колеса, где каждый месяц появлялся «убийца React», и…
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…
WordPress 7.1 deleted the check that kept classic editors un-iframed. Run this grep.
WordPress 7.1 took down a client's editor last week. Every custom ACF block moved its fields to the sidebar, and on one site they stopped saving wit…
I built 59 free browser-based dev tools in vanilla JS — here's what I learned
I've been quietly building Antigravity Tools — a collection of 59 free, browser-based developer utilities — and today I'm sharing everything I built…