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Hands-on, step-by-step guides for developers — from setting up your environment to building and shipping with AI.

Beginner tutorials 43

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Reproducible Dev Shells with Nix Flakes

Lenn Voss

Dev Tools

Reproducible Dev Shells with Nix Flakes

8h ago 0

Transcribe Audio Locally in Real Time with Whisper.cpp

Priya Nair

AI

Transcribe Audio Locally in Real Time with Whisper.cpp

14h ago 0

Debug Node.js Memory Leaks with Chrome DevTools Heap Snapshots

Lenn Voss

Dev Tools

Debug Node.js Memory Leaks with Chrome DevTools Heap Snapshots

3d ago 0

Track Your LLM API Spend with a Python Token Usage Dashboard

Priya Nair

AI

Track Your LLM API Spend with a Python Token Usage Dashboard

4d ago 0

Local AI Code Completion in VS Code with Qwen2.5-Coder and Ollama

Rachel Goldstein

AI

Local AI Code Completion in VS Code with Qwen2.5-Coder and Ollama

1w ago 0

Replace Makefiles with Just, the Modern Command Runner

Lenn Voss

Dev Tools

Replace Makefiles with Just, the Modern Command Runner

1w ago 0

Deploy a Python FastAPI Backend on Vercel Serverless Functions

Ji-ho Choi

Cloud & Infra

Deploy a Python FastAPI Backend on Vercel Serverless Functions

2w ago 0

Catch Python Bugs Before Runtime with Astral's ty Type Checker

Lenn Voss

Dev Tools

Catch Python Bugs Before Runtime with Astral's ty Type Checker

2w ago 0

Block Secrets Before They Hit GitHub with Gitleaks

Emeka Okafor

Security

Block Secrets Before They Hit GitHub with Gitleaks

2w ago 0

Build a Secure Express API with Helmet, Zod, and Rate Limiting

Lenn Voss

Dev Tools

Build a Secure Express API with Helmet, Zod, and Rate Limiting

2w ago 0