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The Practical Developer

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Latest posts

Last updated 4 minutes ago

The 946-Millisecond Tax: Migrating API Key Auth from Bcrypt to HMAC-SHA256

10 minutes ago

I never profiled our authentication middleware. Why would I? It's a key...

Simple DEV Blog Post Writer with LangGraph Multi Agents with Memory, AWS Bedrock Nova: Generator & Evaluator Pattern

28 minutes ago

So far, we’ve covered how to use agent tools, skills, and sub-agents...

PHP vs Node.js (2026): I Benchmarked Both — Here's What Surprised Me

28 minutes ago

There is a conversation that has been going on in backend development...

Why Node.js Is Perfect for Building Fast Web Applications

29 minutes ago

How one thread, a smart event loop, and non-blocking I/O let Node.js...

Local LLMs in 2026: What Actually Works on Consumer Hardware

30 minutes ago

Local LLMs in 2026 work on three hardware lanes: 32-core CPU with...

Cursor Pagination Step by Step

35 minutes ago

Recap: the other way In the previous post we built offset pagination...

Offset Pagination Step by Step (with Sharding)

40 minutes ago

Why pagination exists Imagine a workers table with 1,000,000 rows. A request...

One Decorator Away From Production-Ready AI Agents

44 minutes ago

Every agent developer hits the same wall The demo works. Then it...

Async/Await in JavaScript: Writing Cleaner Asynchronous Code

about 1 hour ago

Asynchronous code that reads like synchronous code — because sometimes the best...

I built a Chrome extension that forces you to write why you're saving something — here's why

about 1 hour ago

The problem I had 300+ bookmarks. I remembered why I saved exactly...

The Datadog escape hatch is real: observability is the OSS vertical that's actually winning (May 2026)

about 1 hour ago

Cross-posted from os-alt — canonical lives there Two posts ago we opened...

Git & GitHub Explained — What It Is, Why It Exists, and Why Every Developer Uses It

about 1 hour ago

Hey Let me ask you something. You are working on a project....