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A reference library of 46 programming patterns extracted from real production code (e.g., React, Linux kernel, Go, Redis, etc.), each with interactive visualization, line-accurate source links, implementations in TypeScript/Python/Go/Rust, and runnable exercises. The site is bilingual (Chinese and English) and supports search and category browsing.
A blog post detailing a minimal pattern for adding error context in Zig using errdefer logging, comparing it to full diagnostics sinks and catch blocks, and discussing tradeoffs.