Cheat Sheets.
Dense reference tables for Git, Vim, Linux, Docker, Claude, OpenAI, Gemini, and more — bookmark and come back.
jq Cheat Sheet: Filter, Transform, and Query JSON from the Terminal
Complete jq reference — basic filters, pipes, array/object operations, conditionals, string interpolation, select, map, reduce, and real DevOps workflows.
Docker Compose Cheat Sheet: Services, Volumes & Production
A complete Docker Compose guide covering service definitions, volumes, networks, and health checks. Includes production-ready templates and CLI commands.
VS Code Shortcuts for Developers: The Complete Cheatsheet
Master VS Code keyboard shortcuts — editing, navigation, debugging, Git integration, and custom keybindings. Work faster with the editor you already use.
Markdown Cheat Sheet: Syntax, Tables, and Extended Features
Complete Markdown reference — headings, lists, links, images, tables, code blocks, task lists, footnotes, and GitHub Flavored Markdown (GFM) extensions.
Nginx Cheat Sheet: Routing, SSL & Performance Guide
Complete Nginx reference for server blocks, location matching, and proxy_pass. Optimize SSL/TLS, rate limiting, and use our production-ready config template.
Qwen Coder Cheatsheet (2026 Edition): Running Local Agents
Master Alibaba's open-weights Qwen Coder models. Essential commands for Ollama integration, local execution, and private agentic workflows.
tmux Cheat Sheet: Sessions, Panes, Windows & Config
Complete tmux reference — prefix key, sessions, windows, panes, copy mode, key bindings, plugins, and a starter .tmux.conf for 2026.
OpenAI Codex & Agents Cheatsheet (2026 Edition)
Master the OpenAI Agents SDK and Codex API. Essential code snippets for function calling, strict JSON schemas, and reliable code generation.
SQL Cheat Sheet: Queries, Joins, Aggregates & CTEs
The ultimate SQL reference for SELECT syntax, JOINs, subqueries, and window functions. Master CTEs, transactions, and constraints for any relational database.
Gemini CLI & Code Assist Cheatsheet (2026 Edition)
Master Google's Gemini CLI. Essential commands for multi-modal prompts, Google Cloud integration, and context window management.
Claude Code CLI Cheatsheet (2026 Edition)
Master Anthropic's terminal-native agent. Essential commands, context flags, and workflow tricks for the Claude Code CLI.
Git Cheat Sheet: Every Command You Actually Need
Complete Git reference with copy-paste commands for setup, staging, branching, merging, rebasing, stashing, undoing mistakes, remotes, and log inspection.
Vim Cheat Sheet: Modes, Navigation, Editing & Config
Complete Vim reference covering modes, movement, editing commands, search and replace, visual mode, split panes, macros, text objects, and a starter .vimrc.
SSH & GPG Cheat Sheet: Keys, Tunnels & Signed Commits
Complete SSH and GPG reference — key generation, ssh-agent, config file aliases, port forwarding, database tunneling, GPG signing, and signed git commits.
TypeScript Cheat Sheet: Types, Generics & Utilities
The essential TypeScript reference for primitive types, generics, and utility types. Learn type guards, mapped types, and optimal tsconfig configurations.
PostgreSQL Cheat Sheet: SQL, Indexes, EXPLAIN & psql
Complete PostgreSQL reference — psql commands, CRUD queries, joins, indexes, EXPLAIN ANALYZE, CTEs, window functions, JSONB operators, and admin queries.
Regex Cheat Sheet: Patterns, Groups & Real-World Examples
Master regular expressions with this guide to anchors, groups, lookaheads, and quantifiers. Includes real-world patterns for emails, URLs, and passwords.
Linux & Bash Cheat Sheet: Commands Every Dev Needs
Complete Linux and Bash reference — file operations, permissions, processes, grep, find, networking, pipes, cron jobs, SSH, and shell scripting.
OpenAI API Cheat Sheet: GPT-4o, Tools & Assistants
Master the OpenAI API with this guide to GPT-4o, function calling, structured outputs, and Assistants. Includes DALL-E 3, Whisper, and embedding examples.
Gemini API Cheat Sheet: 2.5 Pro, Vision & Tools
Master Google Gemini API for 2.5 Pro and Flash models. Guide to vision, JSON output, function calling, Search grounding, and the Gemini CLI tool.
Tailwind CSS v4 Cheat Sheet: Layout, Flex & Grid
Complete Tailwind CSS v4 reference for layout, spacing, and typography. Master flexbox, grid, responsive design, and dark mode with this essential guide.
curl Cheat Sheet: API Testing, Auth & File Uploads
Master curl for API testing. This reference covers GET/POST requests, auth, file uploads, timing breakdowns, and scripting patterns for developers.
Docker Cheat Sheet: Images, Containers, Compose & More
Complete Docker reference — pulling images, running containers, volumes, networks, exec, logs, Docker Compose commands, Dockerfile tips, and disk cleanup.
Claude API Cheat Sheet: SDK, CLI, MCP & Prompting
Complete Claude reference — Anthropic API, model IDs, Messages API params, Claude Code CLI commands, MCP setup, tool use, prompt caching, and Batch API.
Kubernetes Cheat Sheet: Every kubectl Command You Actually Need
Complete Kubernetes reference with copy-paste kubectl commands for pods, deployments, services, namespaces, config, scaling, logs, exec, and troubleshooting.
Python Cheat Sheet: Essential Syntax & Built-ins
Your complete Python reference for data types, collections, and control flow. Master functions, classes, file I/O, and comprehensions in one handy guide.
Follow new writing in Cheat Sheets.
Get future posts, practical references, and related notes from the Cheat Sheets side of MeshWorld without having to keep checking this silo manually.
Dense reference tables for Git, Vim, Linux, Docker, Claude, OpenAI, Gemini, and more — bookmark and come back.
New cheat sheets posts, linked ideas from nearby domains, and stronger entries worth keeping on hand.