Curated development tutorials from top sources. Filter by language.
Choosing the right combination of web backend and database technology can make or break your application's performance at scale. The performance compa
Most developers think they understand reduce(). They don't. And to be fair, I didn't either for a long time. Like many JavaScript developers, I lea
Every repo has the same onboarding ritual: figure out the stack, install the right tools, start the right services, and hope the README is still accur
Yesterday I opened my project and just stared at it. Not in a dramatic way. More like: I opened Zed, looked at the file tree, and immediately wanted
The Tech Industry is Exhausted If you've been monitoring the Hacker News homepage today, you've probably noticed a collective sigh of exhau
A routing API will happily hand a truck the fastest line between two points. What it usually won't tell you is that the line runs under a 4.0 m overpa
In May 2026, attackers compromised 42 TanStack packages by poisoning a GitHub Actions build cache through a pull request. The malicious code exfiltrat
When you look at a Go source code file for the first time, you will notice a few strict rules. Every single Go file requires a specific foundation to
The parser is written in Rust using pulldown-cmark for Markdown. It ships as a prebuilt binary via npm so no Rust toolchain is needed. npm: https://w
In my previous article, I wrote about one of the most underestimated functions in JavaScript: reduce(). That article triggered a very fair discussion
The problem Every web project starts the same way. You open a blank file and start typing angle brackets. HTML is fine. But writing it by
Inversion of Control (IoC) and Dependency Injection (DI) are related concepts, but they are not the same thing. Question. Is Dependency Injection the
You have a statically generated blog on Vercel. You want to show readers how many people have viewed an article. You don't want to drop Google Analyti
OpenEUDI is open source (MIT) and live on npm. GitHub: https://github.com/openeudi · npm: @openeudi/core and @openeudi/openid4vp Originally published
Building a Unix-Domain-Socket IPC server for ECS-on-EC2 services that need to talk fast, cheap, and reliably A while back I was looking
The Problem We Were Actually Solving Our treasure hunt engine was a Node.js microservice that handled player positions, loot drops, and rea
How a shared filesystem became the cheapest, fastest outbox I've ever built — and why FSx for OpenZFS is the version of that idea that finall
Prerequisites: Loop Invariants (first post — what an invariant is) | Running Sum (#1480) | Contains Duplicate (#217) — the "have I seen this?" founda
Hi HN, I’m the author of Prose, an MIT-licensed reading engine / SDK for building reading apps on the web and mobile: https://prose-reader.com/ The
The Problem We Were Actually Solving I still remember the day our system's event handling started to fall apart, it was like a dam had burs