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Wordle looks simple — until you try to color a guess with a repeated letter correctly. That edge case is the whole interview question hiding inside th
useMemo and useCallback confuse people because the thing they fix is invisible: object and function identity. So I built a tool that makes identity vi
Cut LLM prompt tokens on structured data — losslessly A small, dependency-free tool for shrinking logs, JSON, and CSV in prompts — without
Every approach to capturing a screenshot from a URL falls into one of three categories: call an API, run a local headless browser, or use a client-sid
If you're building a Node.js API, you already know the basics: write endpoints, add error handling, deploy. But how do you know your API is actually u
Password protecting a PDF sounds trivial, but building it client-side has a few gotchas. Users expect to type a password, hit a button, and get a lock
Hey everyone! 👋 I'm Mantu from India, and I'm just getting started with open source. Recently, I decided to begin preparing for Google Summer of Code
While frontend engineers keep rebuilding their projects around new build tools, JavaScript itself keeps getting faster, safer, and more mature. Here's
Introduction to Base and the Beryl Hard Fork Base, a significant player in the blockchain landscape, has confirmed a delay for its Beryl ma
I woke up this morning with no idea what to build. By the end of the day I had a live SaaS product with auth, a database, automated emails, a custom d
Cómo solucionar el bucle infinito en useEffect con objetos y arrays en React Explicación técnica El problema ocurre porque useEf
What building Pagelyze taught me about React best practices - and why it has very little to do with hooks. Building Pagelyze has made me think more c
If you only need to take a screenshot, Puppeteer and Playwright are closer than the endless "which is better" debates suggest. Both control a headless
You've been generating UUID v4 for your primary keys. It works. Nothing is on fire. But your database is slowly getting slower, and you might not have
Originally published at norvik.tech Introduction Explora la nueva versión de Node.js 24.18.0 y cómo impacta el desarrollo web moderno. A
As a developer who's seen the web evolve from messy CGI scripts to complex microservice architectures, one constant has remained: the database. And fo
Developers are frustrated with React. The posts about it are all over the place. "Does anybody actually like React anymore?" And the answers are… roug
JavaScript is one of the most popular programming languages in the world. Whether you want to build websites, web applications, mobile apps, or even b
I needed one product photo on a transparent background — a mug, lifted off the kitchen counter, ready to drop onto a clean store listing. Five minutes
Last year I was laid off. Like a lot of people, I sent out hundreds of applications. Unlike most people, I saved every rejection email and tried to fi