You Already Know What Your First AI Rule Should Be. You Just Have Not Written It Down Yet.
Every developer who works with AI regularly has a list of corrections they make. Not a written list. A mental one. The things they fix after every ses…
Programming
⚑ Report a ProblemLatest Programming news from Tech News
All topics
AI
agents
ai
api
architecture
automation
aws
beginners
career
claude
database
devchallenge
devops
javascript
learning
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
react
rust
security
showdev
tutorial
typescript
webdev
AI Built My UI in 2 Hours. Then I Spent 3 Weeks Fixing It.
The PR had 47 changed files. Three new React components, two API routes, a context provider, and what appeared to be an entire form validation library…
React Internationalization Complete Guide (2026): From Zero to Production-Ready Multilingual Apps
Internationalization (i18n) is no longer optional — SaaS products targeting global markets must support multiple languages from day one to avoid costl…
Focus Issues and Refinement Support
Prologue A while ago, I decided to develop a fully accessible main navigation component in React and write a series of articles documenting the steps …
React Server Components vs. Astro Islands: When to Use Each Pattern
React Server Components vs. Astro Islands: When to Use Each Pattern I've shipped production code with both React Server Components (RSC) and Astro Isl…
Frontend Status: свежий дайджест фронтенда и AI — 15.06.2026
Привет! Это 18 выпуск Frontend Status — дайджеста по фронтенд-разработке. В этом выпуске: 📺 Экосистема TanStack кажется бесконечной, а browser gaming …
Frontend Status: свежий дайджест фронтенда и AI — 15.06.2026
Привет! Это 18 выпуск Frontend Status — дайджеста по фронтенд-разработке. В этом выпуске: 📺 Экосистема TanStack кажется бесконечной, а browser gaming …
Escaping the Trap: Fixing Stale Closures in React Hooks ⚡
The Silent Interval Bug When building dynamic dashboards at Smart Tech Devs, you frequently need to implement background timers. Whether it's an auto-…
How I Built a Cinematic Portfolio with React and Framer Motion
Hi, I'm Akshay Bhawar, a Full Stack Developer from Maharashtra, India. Recently, I decided to completely redesign my portfolio. Instead of going with …
useMemo vs useCallback in React
React applications re-render whenever state or props change. In most cases, React handles re-rendering efficiently. However, in large applications wit…
The Best React Data Grid Is the One You Will Not Hate After Feature Request Number Seven
I have never seen a product manager open a ticket called: Turn this table into a small operating system. It happens one perfectly reasonable request a…
I Built a PDF Toolbox That Never Uploads Your Files — Here's How
Every "free online PDF tool" uploads your files to a server. I built one that doesn't — and here's the technical breakdown. The Privacy Problem Try th…
3 Basic JavaScript concepts to start your React Journey: Part 1
As the title suggests, we're going to look at three fundamental JavaScript concepts that will help you start your React learning journey. These aren't…
Automate Your Healthcare: Building an AI Agent to Book Doctor Appointments and Archive Lab Reports
We've all been there: staring at a clunky, 10-year-old hospital web portal, clicking through endless nested menus just to book a simple check-up or do…
I built a real-time Air Quality Index monitor from scratch — AtmoPulse 🌍
Hey everyone! I'm a fullstack development learner and I just finished building one of my most ambitious projects entirely from scratch — no templates,…
react-slotx
react-slotx — Step-by-Step Tutorial This guide will walk you through using react-slotx from scratch. No prior knowledge of slots or portals is require…
React 19 Hydration Mismatch in Static Export
📚 This is Part 3 of the UtlKit Tech Series — Part 2 covers the architecture & trade-offs → Read Part 2 React 19 Static Export Hydration Mismatch? …
The Next.js Data Cache Error That Broke My Production App (And How I Fixed It)
The Next.js Data Cache Error That Broke My Production App (And How I Fixed It) A real bug from building Flacron Gamezone — a live football platform bu…
What is Moto UI?
Moto UI is a modern React component library built for developers who care about accessibility, performance, and developer experience . It combines the…
What I learned building a take-home pay calculator for all 50 US states
I built a free paycheck calculator because the existing ones annoyed me. Half of them are buried under ad units, and the other half want your email be…
Introducing Arvia: a design system compiler for the web
Introducing Arvia Arvia is a design system compiler. You describe your tokens, themes, and components in .arv files, and a compiler turns each one int…
useState vs useReducer in React
What is useState? useState is a React Hook that allows functional components to create and manage state. Before Hooks were introduced, state could onl…
How We Cut Magento Checkout Drop-off by 34% with a React Frontend
When a Magento store feels slow, merchants usually notice it first on the homepage. When revenue actually slips, we usually find the damage deeper in …
Why We Rebuilt Our Magento Checkout with React: Performance Results
Magento's default Luma checkout loads a heavy Knockout.js stack, dozens of RequireJS modules, and payment iframes that fight for the main thread. For …
Drag-and-drop rescheduling with dnd-kit: the four edge cases that were the actual feature
We added drag-and-drop rescheduling to our social media calendar (Next.js + dnd-kit, Rails API behind it). The drag interaction took a day. The edge c…
The Best JavaScript Slider Library? Introducing Pagiflow: A Zero-Dependency, High-Performance Carousel
Have you ever noticed how quickly a web page's performance can drop when you add a slider or carousel? For years, web developers have had to choose be…
Why modal.open() should return Promise<TResult>, not Promise<any>
How treating modals as typed async operations eliminates boolean state, callback chains, and runtime surprises in React apps. React applications often…
Next.js Pages Router to App Router Migration Guide (2026)
Migrating from Next.js Pages Router to App Router is a significant but manageable project. The recommended approach is incremental - both routers can …
Stop Declaring Tools Dead — lucide-react is Still Fine
Every few months, a post goes viral: "Please stop using [perfectly good tool]." This time it's lucide-react. And honestly? The take is lazy What's the…
Common mistakes when building a multi-domain photo app (CZ/SK/PL/EN/DE from one codebase)
At Inithouse, a studio shipping a growing portfolio of products in parallel, we run an AI photo animation tool across five country domains from a sing…