Moving Beyond Official MSAL: A Better Way to Handle Entra ID in Next.js
Microsoft's official MSAL libraries are powerful, but they were not built with the Next.js App Router in mind. Developers attempting to integrate @azu…
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I Built a Text Similarity Checker: Compare Two Texts Instantly in Your Browser
Recently I was working on my online tools website toolsonline.run and decided to build a Text Similarity Checker — a tool that compares two texts and …
Prisma Broke at 570 Models. I Rebuilt Its Generator in 500ms.
Prisma didn't slow down. It didn't degrade. It just… stopped working. RangeError: Cannot create a string longer than 0x1fffffe8 characters That's not …
Code Review Validator — free browser tool for developers
Code Review Validator: Automate Feedback, Improve Code Quality I built a tool to help developers give better code reviews — faster. It’s called Code R…
Cookieless EC measurement: a 4-step shift to first-party
"Safari traffic looks like it lost 30% of conversions year over year." "Tags fire empty after the cookie banner went up." I keep hearing variations of…
Not Your grandma's Code
A modern guide to using jQuery to style elements without a CSS stylesheet Gone are the days where three experts are needed for one project. In the age…
I Built a Free QR Code Generator from Scratch — 24 Types, No Sign-Up, No Expiry
Hey Dev.to! 👋 I just shipped a side project I've been working on and wanted to share it with this community: QRKodu.online — a completely free QR code…
Async AutoFill With Caching: Filling Form Fields From External APIs at Runtime
Part 20 of the series: "Extending bpmn-io Form-JS Beyond Its Limits" A form has a "Related Ticket" dropdown. When the user selects a ticket, five fiel…
Writing Node.js Addons with .NET Native AOT: A Complete Guide
Ever wished you could write Node.js native addons in C# instead of C++? .NET Native AOT makes it possible—and practical. The Problem with Traditional …
From Beginner to Job Placement: My 6-Month Web Development Journey with Programming Hero
In today's fast-evolving digital world, web development has become one of the most valuable and in-demand skills. But like many others, my journey did…
The Forgotten Joy of `node app.js`
There used to be a moment, ten years or so ago, when you could go from "I have an idea" to "I have a running web server" in about thirty seconds: // a…
Why We Use useState in React — Explained Simply with Real Examples
Hey! Let me ask you something before we start. You built a counter in plain JavaScript. You clicked a button. The number went up. It worked. So when y…
I Stopped Paying for Subtitle Services After Running Whisper in a Browser Tab
Last Tuesday I needed subtitles for a 12-minute product demo. The video was in English, the audience was international, and the deadline was two hours…
I replaced CAPTCHA with passive biometrics after AI hit 91% bypass rate — 7 biological signals, no puzzles, free tier
CAPTCHA is broken AI now bypasses reCAPTCHA at 91%+ success rates. Every CAPTCHA you add costs you 17-29% conversion. It is a bad trade that gets wors…
I just launched my second Chrome extension in 8 weeks. Here's what building product two taught me.
Building your second product is completely different from building your first. With Prompt Helix I was learning everything simultaneously — manifest V…
Cascading Configuration UI: Building Dependent Selection Chains in the Properties Panel
Part 12 of the series: "Extending bpmn-io Form-JS Beyond Its Limits" A form designer needs to configure auto-fill for a field. They want to pull data …
Five Evaluators, One Pattern: Scaling Conditional Logic Across a Form
Part 8 of the series: "Extending bpmn-io Form-JS Beyond Its Limits" By the time I had built the third evaluator, I noticed something. The code looked …
Our Attention Span Is Now Shorter Than a Goldfish's. So I Built a Chrome Extension
Every Site Blocker Uses a Static List. So I Built One That Doesn't. Every site blocker on the Chrome Web Store works the same way: you create a blockl…
Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework
Every developer who needs to automate screenshots eventually asks: should I run Puppeteer/Playwright myself, or use a screenshot API? I've done this c…
Map and Set in JavaScript
Javascript comes from a long days where we manage everything with just objects and arrays, in ES6 a map and set data structures are introduced which p…
CLAUDE.md for Node.js: 6 Rules That Stop AI From Generating Bad Backend Code
CLAUDE.md for Node.js: 6 Rules That Stop AI From Generating Bad Backend Code You ask Claude to "add a POST /users endpoint" and you get back: A .then(…
Stop Defaulting to WebSockets: A Practical Guide to SSE, Polling, and Knowing When You Actually Need Them
Stop Defaulting to WebSockets: A Practical Guide to SSE, Polling, and Knowing When You Actually Need Them You've been there. A ticket lands in your sp…
I indexed 17,341 polynomial fan curves in Postgres and matched a duty point in <100ms
Most B2B HVAC catalogs publish fan performance curves as scanned PDFs. Engineers do the interpolation by eye when they need to know "will this fan del…
Running SQLite in the browser with sql.js and WASM — a practical guide with Google Drive sync
Most tutorials on client-side data storage reach for IndexedDB, localStorage, or a third-party sync service. This one goes somewhere different: a real…
Boosting Node.js Productivity: A Step-by-Step Guide to Setting Up a Lightning-Fast Development Environment in 2026
Boosting Node.js Productivity: A Step-by-Step Guide to Setting Up a Lightning-Fast Development Environment in 2026 Let’s be honest: if your dev enviro…
JSONL Explained: The Line-by-Line Format Powering AI Datasets
You're trying to load a 500,000-record dataset into your script. You reach for JSON — it's universal, readable, everyone knows it. But the moment you …
Why programming for the browser needs a different kind of language
authored by claude, rubber stamped by Bryan MacLee TL;DR: JavaScript wasn't built for today's browser. scrml is. I am part owner of a small trucking o…
How to Convert JSON to TypeScript Types (Without Writing Them by Hand)
You just got access to a new API. The response comes back — it's a deeply nested JSON object with 40 fields, some optional, some arrays, some nested o…
I Built a SaaS Platform From Scratch. Here's How I Architected It on AWS.
So I've been working on something for a while now. It's called TechVerse. It's a SaaS e-commerce platform, and I built the whole thing from the ground…
How to Block Distracting Sites — Free Chrome Extension with Breathing Exercises
The Problem: Digital Distractions Are Costing You Hours Studies show the average knowledge worker loses 2.1 hours per day to digital distractions. Soc…