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When I started building APIs, I spent way too much of my life keeping three things in sync: the actual route code, the validation, and the docs. You c
Frontend observability is product trust work A lot of frontend quality conversations stop at visual polish, performance scores, or whether
AI can accelerate frontend work, but it cannot own the outcome AI-assisted development is becoming part of normal engineering practice. For
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
The Tech Industry is Exhausted If you've been monitoring the Hacker News homepage today, you've probably noticed a collective sigh of exhau
In May 2026, attackers compromised 42 TanStack packages by poisoning a GitHub Actions build cache through a pull request. The malicious code exfiltrat
In my previous article, I wrote about one of the most underestimated functions in JavaScript: reduce(). That article triggered a very fair discussion
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
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
You sent an SMS. Did it arrive? A password reset link that never reached the user. An appointment reminder that bounced because the number was discon
A few weekends ago we built Stax — a multi-seller template marketplace where any signed-in user can become a seller, upload Notion/Figma/Webflow/code
Real talk: how many times have you built a login page? Not the first time — that was fine. But the fifth time? The tenth? At some point it stops bein
OpenEUDI is open source (MIT) and live on npm. GitHub: https://github.com/openeudi · npm: @openeudi/core and @openeudi/openid4vp Originally published
Most teams find out their dependencies are risky after something breaks. A maintainer disappears, a vulnerability sits unpatched for months, or a sing
System prompts for production agents: the format that survived 3 redesigns The right way to make an agent do less is to write more in the s
System prompts para agentes en producción: el formato que sobrevivió 3 rediseños La solución correcta para hacer que un agente haga menos e
Compound Engineering Plugin – TypeScript Project: Complete Beginner Tutorial Guide (2026) Learn Compound Engineering Plugin – TypeScript P
You add a UUID primary key to your PostgreSQL table. Everything works great in development. You get to a million rows in production and suddenly your