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Curated developer articles, tutorials, and guides — auto-updated hourly
Sylwia Laskowska23h ago • 9 min read
7 New JavaScript Features (And 2 I'm Still Waiting For)
Remember how I promised you (or rather myself) two weeks ago that from now on I'd only write light,....
#javascript#typescript#node#webdev
67 26
Lolo1d ago • 2 min read
The Node.js Mistake That Cost My Client $3,000 in AWS Bills
Last year I was asked to investigate a startup's AWS bill. It had jumped from roughly $200/month to...
#node#javascript#aws#webdev
23 14
Odejobi Abiola Samuel 18h ago • 3 min read
How to Validate Environment Variables Without a Library (And Why You Should Anyway)
I'll show you a complete env validation setup in 50 lines of TypeScript, then explain when and why y...
#typescript#node#javascript#tutorial
5 3
ABDULLAH AFZAL18h ago • 12 min read
Show the Cookie Consent Banner Only to Visitors Who Legally Need It
A cookie consent banner is a legal requirement in some places and optional in others, yet most sites...
#javascript#webdev#node#privacy
2 4
Baaqar Naqi1d ago • 3 min read
From Chat to Home Screen: Convert Claude Artifacts to PWAs with Zero Config
Stop wrestling with Webpack and manifests. One npx command turns your HTML/React artifacts into inst...
#javascript#node#pwa#claude
4 7
jomynn6d ago • 2 min read
I built a free IDE extension to catch malicious npm packages before they wreck your project
Supply-chain attacks via npm are up year-over-year — packages like event-stream, the Lazarus group....
#javascript#node#security#showdev
1 0
Wahaj1d ago • 5 min read
Why I Didn't Use an AST Parser in My AI Code Commenter (And Why That's the Right Call)
Every AI code documentation tool I looked at had the same problem: it sent your entire file to an LL...
#ai#javascript#node#cli
2 5
Adrin T Paul1d ago • 2 min read
A user's terminal opened a code editor instead of running my CLI tool.
No error. No crash log. Just... my .js file, popped open in an IDE, like the computer decided to...
#cli#javascript#mcp#node
2 1
r9v18h ago • 7 min read
The Node.js bug that's invisible to your monitoring
Your health check is a single line. res.send('ok'). It used to take a millisecond. Then traffic...
#node#javascript#backend#performance
2 2
Jimmy Magbanua · Lapistry2d ago • 5 min read
How I built a billing system with a real double-entry ledger in Node + PostgreSQL
Most billing code has the same bug hiding in it: it stores the account balance as a number and...
#node#postgres#javascript#webdev
4 2
Timevolt6d ago • 6 min read
The Jedi's Guide to Scaling Node.js APIs with Express: From Padawan to Master
The Quest Begins (The "Why") Honestly, I still remember the first time I tried to ship a...
#webdev#react#node#frontend
2 0
Anubhav Gupta5d ago • 3 min read
The Hidden Trap in Backend Tutorials: Why Your Webhooks Are Creating Duplicate Data (And How to Fix It)
We've all been there. You're sitting at your desk late at night, watching a backend tutorial, fueled...
#webdev#backend#node#beginners
1 0
Hesham Mohamed5d ago • 4 min read
How I Turned My Personal Storage Accounts Into a Massive S3 Bucket for $0
As developers, we’ve all been there: you’re building a hobby project, a side hustle, or a...
#nestjs#architecture#typescript#node
1 0
Daksh Saijwal4d ago • 5 min read
Building Velodrome: A Real-Time Multiplayer Typing Race Game
I built a full-stack typing game with live multiplayer, ghost racer replays, and per-key analytics.....
#react#node#websockets
0 0
Samet GOKTEPE4d ago • 8 min read
Five days with eventferry — MySQL, SQL Server, MSK IAM, and a core that didn't move
Five days ago I posted I built a transactional outbox toolkit for Node.js — meet eventferry. The...
#node#kafka#typescript#npm
0 0
Berat Bozkurt6d ago • 2 min read
Building GitHub OAuth device flow in a Node.js CLI
When building a CLI tool that needs GitHub access, you have three options: Ask users to create a.....
#node#github#typescript#cli
0 0
Aissam Irhir1d ago • 3 min read
Watermarks, overlays, and blend modes in a few lines — imgkit now has composite()
If you ship anything with user-generated or product imagery, you eventually need to put one image on...
#javascript#node#rust#bunjs
6 1
Ivan Maksimov3d ago • 5 min read
How I tracked down a 36GB memory leak in a Claude Code memory server
A heap-snapshot debugging story — native vs JS memory, sql.js's WebAssembly filesystem, and why GC d...
#debugging#node#webassembly#sqlite
0 0
Alex KH2d ago • 12 min read
Dart Looked Like a Killer on the Backend. On a Leash, It's a Paper Tiger.
I let an AI agent migrate a Node.js backend to Dart for the memory savings. Two weeks later the benc...
#ai#dart#kubernetes#node
0 0
Mayne6d ago • 4 min read
Blazing-fast terminal cleanup tool for heavy build artifacts
I've been a developer for over a decade, and if there's one thing I've learned, it's that our hard.....
#webdev#productivity#node#tooling
2 0
Ihda6d ago • 2 min read
Stop copying config files into every new project — I built a CLI for this
You know that feeling when you start a new project and spend the first 20 minutes doing nothing...
#javascript#node#showdev#productivity
0 0
Mayne6d ago • 4 min read
I reclaimed 12GB from my SSD with one terminal command (and you can too)
ZapDir is a free Node.js CLI that finds and removes node_modules, .next, dist, and build folders tak...
#cli#productivity#node#opensource
0 0
Arnav Gupta4d ago • 4 min read
Chaos Engineering for Node.js Without the Infrastructure
Chaos engineering sounds expensive. Netflix built Chaos Monkey to randomly kill production servers.....
#api#node#sre#testing
0 0
VeritasLab5d ago • 5 min read
We Were About to Launch. First, We Decided to Hack Ourselves.
It was an ordinary Tuesday. The API was running, tests were passing, Docker came up on the first try...
#security#node#solana#webdev
4 1