Crafted by developers, refined by AI. Version-specific cheatsheets and quick ramp-up guides. Free forever.
31 cheatsheets and growing
$ curl -L z2h.fyi/cht/docker-cheatsheet # Docker Essentials Cheatsheet ## Quick Overview Docker is an open-source platform... ## Getting Started $ docker run -d -p 8080:80 nginx▋ Switch between multiple Claude Code and Desktop accounts on macOS, with credentials stored securely in the system Keychain.
4 min read
Master prompt engineering in 2025: zero-shot, few-shot, chain-of-thought, RAG, and tool use patterns for ChatGPT, Claude, and Gemini.
12 min read
Learn Elixir from a TypeScript perspective: pattern matching, immutability, processes, and functional programming.
15 min read
Master Bash scripting essentials for automation, system administration, and command-line tasks, from variables to control flow.
12 min read
Master Git for version control: from initial setup to advanced branching, merging, and collaboration patterns.
10 min read
Learn FastAPI 0.111 to build high-performance Python APIs. Covers core concepts, syntax, and common patterns for developers.
12 min read
Master Kubernetes 1.30 with this quick reference covering essential commands, core concepts, and common deployment patterns for advanced users.
12 min read
Master Python fundamentals quickly with this cheatsheet covering core concepts, syntax, and common patterns for Python 3.12.
8 min read
A quick reference guide for Redis 7, covering core concepts, essential commands, and common patterns for developers.
10 min read
Master SQL joins to combine data from multiple tables effectively and efficiently.
7 min read
One-line description for SEO and llms.txt — describe what the reader will learn.
8 min read
One-line description for SEO and llms.txt — describe what the reader will learn.
8 min read