Developer Quick Reference Cheatsheets
High-density, production-tested cheat sheets for C#, Python, SQL, and Git. Bookmark these reference cards for immediate copy-paste solutions.
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Vibe Coding & AI IDEs Cheatsheet: .cursorrules, MCP & High-Leverage Prompts
The definitive 2026 reference for Vibe Coding. Production .cursorrules templates, Claude Code workflows, MCP tool definitions, and Ollama local model commands.
Python 3 Essential Quick Reference & Syntax Cheatsheet
Fast reference guide for Python lists, dictionaries, list comprehensions, slicing, decorators, file I/O, and modern pattern matching.
C# 13 & LINQ Performance Cheatsheet
Master C# Language Integrated Query (LINQ), deferred execution, async streams, records, and memory-efficient spans.
Git Essential Workflows & Undo Commands Cheatsheet
Quick reference for daily Git operations: branching, interactive rebasing, stash management, cherry-picking, and undoing commits.
SQL & Relational Database Indexing Cheatsheet
Practical SQL cheat sheet: joins, window functions (ROW_NUMBER, RANK), CTEs, and B-Tree indexing rules.