I Built 4 Interactive Engineering Tools You Can Run in Your Browser
Most engineering concepts live in textbooks and MATLAB scripts — you read about a Fourier transform, a PID loop, or a constellation diagram, but you r…
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Getting Started with Shadcn Checkbox in React & Next.js
Building forms becomes much easier when you have reusable UI components. A checkbox is a simple component, but it's an important part of many applicat…
How I built an interactive atlas of 767 train routes (React + MapLibre + open data)
I spent a summer building TrainRouter — a free, no-signup interactive map of 767 of the world's notable train routes across 118 countries , from the G…
Build a Stunning Developer Portfolio with Next.js 16, Tailwind CSS v4 & Framer Motion
Your portfolio is the first thing recruiters and clients see and in 2026, a template-looking portfolio is invisible. If you want an online presence th…
We Open-Sourced 42 Construction Calculators — Here's Why
I run EstimatorSuite.com — we review construction estimating software for US contractors (HVAC, electrical, plumbing, roofing, landscaping). We just o…
Building React Native Shouldn't Feel Like Assembling IKEA Furniture: A Modern Monorepo Starter Kit
"I just want to build my app." That sentence sounds simple. But if you've ever started a new React Native project, you know that is rarely what actual…
nuqs: URL State Management in Next.js (2026)
Every data table, search page, and filtered list has the same problem: the user applies a filter, the results update, they share the URL — and the rec…
I Spent the Past Few Weeks Building a Cinema App with React & Firebase 🎬
Like many developers, I started this project with a simple idea: "What if there was a place that made discovering films feel intentional again?" That …
How I built RuntimeVault: replay production bugs with full runtime state
Every developer knows this conversation: "Hey, can you reproduce this bug?" "No, it works on my machine." "Can you try again?" "I already tried 5 time…
SSG vs SSR vs CSR in Next.js: Choosing the Right Rendering Strategy for SEO
Is Next.js Really SEO-Friendly? Understanding SSG, SSR, ISR and CSR Thanks @opacedigitalagency for the valuable suggestion. While exploring this topic…
JavaScript Atomics and SharedArrayBuffer in 2026: Practical Patterns for Cross-Worker State
JavaScript Atomics and SharedArrayBuffer in 2026: Practical Patterns for Cross-Worker State This article was written with the assistance of AI, under …
The Production Leap: Scaling Agent Workflows Globally on thingd.cloud (Part 4)
Over the last three posts, we explored the concept of "Zero-UI" software, deep-dived into our high-performance Rust core engine, and wrote local agent…
How We Built DJ ROOTS: An AI-Powered Music Recommendation Platform
🎧 DJ ROOTS – Building a Real-Time Collaborative Music Platform with Gesture Control Crowd Vibes. You Control. Music is one of the best ways to bring p…
🚀 Day 7 of Learning React: How Do Components Share Data? Understanding Lifting State Up
📌 Missed Day 6? I explored how React renders components, why immutable updates matter, how HMR works behind the scenes, and different approaches to ha…
I Started Tracking How Much Time I Spent Correcting AI Output. The Number Changed Everything.
It started as a small experiment. I had been working with AI for about eight months at that point. The sessions felt productive. Features were getting…
Stop Letting AI Write Your Entire Component
I spent the last three months using an AI-first editor. At first, it felt like a superpower. I could hit a keyboard shortcut, describe a feature, and …
How to Define a Backend Contract for a React App
A React interface can look finished while the backend is still a collection of guesses. The screens render. Forms submit. Navigation works. There may …
How I Built a Modern Agency Landing Page with Next.js 15 and Tailwind CSS
Most agency websites lose clients before they even read a word. Bad first impression. Generic design. Slow load time. I built AgencyX to fix that—a mo…
Day 151 of Leaning MERN Stack
Hello Dev Community! 👋 It is officially Day 151 of my full-stack programming track! Today, I shifted gears from the backend persistence schemas straig…
FutboLeyendas - El Olimpo del Fútbol con Gemini AI
FootLegends⚽🤖 Our Passion Project Football is pure passion. The debate over who is the true GOAT (Greatest of All Time) drives endless, heated discuss…
Day 138 of Learning MERN Stack
Hello Dev Community! 👋 It is officially Day 138 of my software engineering marathon! Today, I crossed off the absolute logic core of my MERN Stack cap…
Day 137 of Learning MERN Stack
Hello Dev Community! 👋 It is officially Day 137 of my software engineering marathon! Today, I built one of the most critical visual nodes of my MERN S…
Why We Built Another Data Grid (and What It Took to Ship It)
If you've ever had to pick a data grid library for a React or Vue app, you know the landscape: a handful of free options that fall apart past a few th…
How I Built a GeoGuessr Game for Super Mario Odyssey
I wanted to build something different from the usual fan project. Instead of recreating gameplay, I asked a different question: How well do players ac…
Ever wish you had a personal drill sergeant or a dramatic movie narrator to hype you up before a big task? I built an app for that. 🗣️🔥 Built with React, Gemini, and ElevenLabs for the Passion Weekend Challenge!
I Built an AI That Yells at You (In a Good Way) Using ElevenLabs & Gemini DEV Weekend Challenge: Passion Edition Submission Tanmay Patwary Tanmay …
useFormState and useFormStatus in Next.js App Router — React 19 Form Handling
React 19 introduced two hooks specifically for server action forms: useFormState and useFormStatus . Together they solve the main UX problems with for…
What actually crosses the React Server Component boundary
Everyone can type "use client" . Almost nobody can say what survives the trip across it — and then something breaks: next build dies at prerender, the…
Whether it's "coding," "cooking," "rock climbing," or "helping others" -- the AI will craft something beautiful just for you.
This is a submission for Weekend Challenge: Passion Edition What I Built Passion Flame is an interactive web experience that celebrates what sets our …
Privacy First: Run Your Own Health Assistant LLM Entirely in the Browser (No Backend Required!)
Have you ever wondered why your most personal health queries need to travel across the globe to a centralized server just to get a simple answer? In a…
React Compiler in 2026: What It Actually Memoizes (And What It Doesn't)
Headline: React Compiler — formerly React Forget — shipped stable with React 19 and automatically memoizes components, hooks, and callbacks by ana…