Go Iterators: A Practical Guide to the iter Package
How to write a custom Go iterator using iter.Seq and iter.Seq2, handle early termination, convert push to pull with iter.Pull, and avoid the yield traps.
Tutorials
Claude Code Subagents: The Practical Guide
Claude Code subagents run side tasks in their own context window. Here's how to create them, when to pick one over a skill, and the mistakes to avoid.
Python 3.14 Free-Threading: Real Benchmarks, Real Breakage, Real Code
Python 3.14 drops the GIL for good. Real benchmarks show 3.5x speedups on 4 cores. See which libraries break and how to install the free-threaded build.
Run Gemma 4 Locally in 2026: Ollama vs llama.cpp vs vLLM
Run Gemma 4 locally in minutes: the 26B MoE needs just 14 GB VRAM. Ollama vs llama.cpp vs vLLM compared, plus the tool-calling and Apple Silicon bugs to dodge.