Developing software involves Git for version control, Docker for containerization, bash for automation, PostgreSQL for databases, and VS Code for editing — along with countless other tools that make or break your productivity. This page collects the essential cheatsheets, workflows, and comparisons you need to work efficiently across the full development stack.
Production AI systems depend on far more than models and prompts.
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Quick reference to postgresql
A quick reference for day‑to‑day PostgreSQL work: connections, SQL syntax, psql meta-commands, performance, JSON, window functions, and more.
Essential SQL commands and operations
Here’s a concise SQL cheatsheet covering the most essential commands and operations:
