Quick-reference guides for prompt engineering, ChatGPT, Claude, Midjourney parameters, regex, SQL and more — everything you need at a glance.
Core techniques for getting better, more reliable outputs from any LLM.
Features, modes, and shortcuts to get the most out of ChatGPT.
XML tags, system prompts, model tiers, and long-context tricks for Claude.
Every key --parameter with value ranges for Midjourney v7.
Common regular expression syntax and ready-to-use patterns.
Core SQL syntax for querying, joining, and shaping data.
Everyday git commands for branching, committing, and fixing mistakes.
Format AI outputs and docs with clean, portable Markdown syntax.
Speed up ChatGPT and Claude on the web with keyboard shortcuts.
Run Getting Things Done with AI as your second brain.