How to Detect Event Loop Freezes in Node.js
You've probably seen this: Kubernetes probes are green, /health returns 200, CPU isn't on fire - and users are timing out. Process is up. Just not do
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You've probably seen this: Kubernetes probes are green, /health returns 200, CPU isn't on fire - and users are timing out. Process is up. Just not do
A browser can render an image straight from a string instead of a URL. A data: URI like data:image/png;base64,iVBORw0KGgo… carries the whole file inli
Watermarking a PDF — adding semi-transparent text over pages — sounds like something only desktop software handles. But with pdf-lib and a bit of canv
A lightbox is the pattern you meet on every gallery, product page and image feed — click a thumbnail, the photo blows up into a fullscreen overlay ove
A word search looks like a database problem — a dictionary, a lattice, a solver — but it is really just a 2-D array of characters and a pinch of vecto
If you've been developing with React Native or Expo for a while, chances are you've had a project that suddenly refuses to build for what seems like n
LeveloJS v2.1.2 — A Cleaner JSX Runtime Architecture After releasing LeveloJS v2.1.1, I started writing the documentation for the new JSX t
Learn Node.js and Express in a Single Post: Complete Tutorial From the Event Loop to Middleware and Production Node.js is JavaScript on the
Hi, my name is Dan, I'm a frontend engineer and open-source maintainer. I've spent the last couple of years building Nano Kit — a lightweight, modular
As engineering organizations connect Large Language Models (LLMs) to sensitive business databases and internal developer systems, secure communication
Playwright is the most capable browser automation tool in 2026 — multi-browser, parallel, with first-class TypeScript support and a trace viewer that
I saw this release come through the RSS feed today: the July 2026 security release for Next.js is now available. As a developer who's spent years buil
Calculating compound interest, Time Value of Money (TVM), and loan amortization schedules is essential for financial application development. Instead
I Built a Free AI Grammar Checker That Runs Entirely in the Browser A few months ago I got tired of copy-pasting my writing between five di
A site that sees you: on-device depth and hand tracking in the browser, zero build A quick word about the format, because it's unusual. I'm
Mastering React Native: A Strategic Move for Android Developers In the realm of mobile app development, the need for versatility and effici
Most apps start their access control with something like this: function canEditReportsSummary(role) { return ['EDITOR', 'ADMIN'].includes(role);
Exploring the Nuances of NFT Gaming Development The intersection of blockchain technology and gaming has birthed a new frontier known as NF
Effective wound care plays a critical role in patient recovery, infection prevention, and long-term health outcomes. As healthcare providers continue
Screenshot automation for web pages comes down to two pieces: something that fires on a schedule, and something that renders the page. You almost cert