Cheatsheets & References

Python Cheatsheet — Complete Quick Reference

Quick reference for Python syntax, built-in types, comprehensions, functions, classes, file I/O, and error handling — essential for daily coding.

JavaScript Cheatsheet — Complete Quick Reference

Quick reference for JavaScript syntax, ES6+ features, DOM methods, promises, async/await, classes, and event handling — for daily dev work.

Git Cheatsheet — Common Commands Quick Reference

Quick reference for Git commands: setup, branching, merging, stashing, remote operations, and common workflows for daily version control.

Docker Cheatsheet — Commands & Quick Reference

Quick reference for Docker CLI commands, Dockerfile instructions, Compose, volumes, networks — everything needed to containerize applications.

SQL Cheatsheet — Query Quick Reference

Quick reference for SQL SELECT queries, JOINs, aggregations, data modification, table creation, and indexing — essential for database work.

Linux Commands Cheatsheet — Essential Reference

Quick reference for essential Linux commands: file operations, permissions, processes, networking, text processing, and package management.

HTML & CSS Cheatsheet — Quick Reference

Quick reference for HTML5 semantic tags, forms, tables, CSS selectors, flexbox, grid, positioning, and responsive design patterns.

React Cheatsheet — Hooks & Patterns Quick Reference

Quick reference for React hooks (useState, useEffect, useContext, useRef, useReducer), JSX, props, conditional rendering, forms, and routing.

MongoDB Cheatsheet — Query Quick Reference

Quick reference for MongoDB CRUD operations, query operators, aggregation pipeline stages, indexes, and database management commands.

VS Code Shortcut PDF — Complete Keyboard Reference

Complete VS Code keyboard shortcuts reference — navigation, editing, multi-cursor, debugging, terminal, Git, refactoring, IntelliSense, and extensions — formatted for printing.

Vim Keyboard Shortcuts Cheatsheet — Printable PDF Reference

Complete Vim keyboard shortcuts reference — navigation, editing, visual mode, buffers, windows, marks, registers, and ex commands — formatted for printing.

IntelliJ IDEA Keyboard Shortcuts Cheatsheet — Printable PDF Reference

Complete IntelliJ IDEA keyboard shortcuts — navigation, editing, refactoring, debugging, search, code completion, and version control — printable PDF format.

Figma Keyboard Shortcuts Cheatsheet — Printable PDF Reference

Complete Figma keyboard shortcuts — design tools, layers, text, prototyping, components, and navigation — optimized for printing.

Excel Keyboard Shortcuts Cheatsheet — Printable PDF Reference

Complete Microsoft Excel keyboard shortcuts — navigation, formulas, data manipulation, formatting, PivotTables, charts, and workbook management — printable PDF.

TypeScript Cheatsheet — Complete Quick Reference (2026)

TypeScript cheatsheet — types, interfaces, generics, enums, utility types, decorators, and configuration reference with examples.

Node.js Cheatsheet — Complete Quick Reference (2026)

Node.js cheatsheet — modules, file system, streams, buffers, events, child processes, cluster, and HTTP with code examples.

PostgreSQL Cheatsheet — Complete Quick Reference (2026)

PostgreSQL cheatsheet — psql commands, data types, indexing, window functions, CTEs, JSON/JSONB operations, and performance tuning.

Redis Cheatsheet — Complete Quick Reference (2026)

Redis cheatsheet — data types, commands, expiration, pub/sub, transactions, pipelines, Lua scripting, and configuration.

CSS Flexbox Cheatsheet — Complete Quick Reference (2026)

CSS Flexbox cheatsheet — container and item properties, alignment, wrapping, ordering, and common layout patterns with code.

CSS Grid Cheatsheet — Complete Quick Reference (2026)

CSS Grid cheatsheet — grid container, grid items, template areas, auto-fit, minmax, and responsive layout patterns.

Kubernetes Cheatsheet — Complete Quick Reference (2026)

Kubernetes cheatsheet — kubectl commands, pod/deployment/service config, namespaces, configmaps, secrets, ingress, and troubleshooting.

Go Cheatsheet — Complete Quick Reference (2026)

Go cheatsheet — syntax, types, control flow, functions (variadic, closures), structs, interfaces, goroutines, channels, error handling, and testing.

Rust Cheatsheet — Complete Quick Reference (2026)

Rust cheatsheet — ownership, borrowing, lifetimes, structs, enums, pattern matching, traits, generics, error handling, and Cargo commands.

Bash Scripting Cheatsheet — Complete Quick Reference (2026)

Bash scripting cheatsheet — variables, conditionals, loops, functions, arrays, string manipulation, file operations, and common one-liners.

Django Cheatsheet — Complete Quick Reference (2026)

Django cheatsheet — models, views, URLs, templates, forms, ORM queries, admin customization, middleware, and management commands.

FastAPI Cheatsheet — Complete Quick Reference (2026)

FastAPI cheatsheet — path operations, dependency injection, Pydantic models, authentication, WebSocket support, background tasks, and OpenAPI customization.

Tailwind CSS Cheatsheet — Complete Quick Reference (2026)

Tailwind CSS cheatsheet — utility classes for layout, typography, colors, spacing, flexbox, grid, responsive design, dark mode, and custom configuration.

Next.js Cheatsheet — Complete Quick Reference (2026)

Next.js cheatsheet — app router, pages router, server components, client components, data fetching, middleware, API routes, and deployment.

Vue.js Cheatsheet — Complete Quick Reference (2026)

Vue.js cheatsheet — Composition API, Options API, directives, components, props, slots, computed, watchers, lifecycle hooks, Pinia/Vuex, and routing.

Angular Cheatsheet — Complete Quick Reference (2026)

Angular cheatsheet — components, directives, pipes, services, dependency injection, routing, forms (template-driven & reactive), signals, and HttpClient.

Introduction to Cheatsheets — Complete Guide

Learn fundamentals for cheatsheets: practical strategies, real-world examples, and expert insights for building better cheatsheets solutions.

Best Practices for Cheatsheets — Complete Guide

Learn best practices for cheatsheets: practical strategies, real-world examples, and expert insights for building better cheatsheets solutions.

Advanced Techniques in Cheatsheets — Complete Guide

Learn advanced techniques for cheatsheets: practical strategies, real-world examples, and expert insights for building better cheatsheets solutions.

Security Considerations for Cheatsheets — Complete Guide

Learn security for cheatsheets: practical strategies, real-world examples, and expert insights for building better cheatsheets solutions.

Performance Optimization for Cheatsheets — Complete Guide

Learn performance for cheatsheets: practical strategies, real-world examples, and expert insights for building better cheatsheets solutions.

Testing Strategies for Cheatsheets — Complete Guide

Learn testing for cheatsheets: practical strategies, real-world examples, and expert insights for building better cheatsheets solutions.

Real-World Projects with Cheatsheets — Complete Guide

Learn real-world projects for cheatsheets: practical strategies, real-world examples, and expert insights for building better cheatsheets solutions.

Tools and Frameworks for Cheatsheets — Complete Guide

Learn tools for cheatsheets: practical strategies, real-world examples, and expert insights for building better cheatsheets solutions.

tar — Complete Guide

Learn to create, extract, and manage tar archives with gzip, bzip2, and xz compression for efficient file backup and data distribution across servers.

File Permissions Octal — Complete Guide

Learn Linux file permissions using octal notation, umask, chmod, chown, and chgrp to secure files and control access for users and groups effectively.

Disk Usage (du/df) — Complete Guide

Learn how to monitor and analyze disk usage with du and df commands to identify storage bottlenecks, manage disk space, and plan capacity for systems.

Process Management (ps/top/htop) — Complete Guide

Learn to monitor, manage, and troubleshoot processes using ps, top, htop, kill, and nice for effective resource control and performance tuning and tuning.

Cron/Anacron Syntax — Complete Guide

Learn to schedule and automate tasks using cron and anacron syntax, including crontab files, environment variables, logging, and troubleshooting jobs.

journalctl — Complete Guide

Learn to query and analyze system logs with journalctl, filtering by service, priority, time range, and boot sessions for troubleshooting and auditing.

Networking (ss/ip) — Complete Guide

Learn to inspect and troubleshoot network interfaces, sockets, and routing tables using ss and ip for modern Linux network diagnostics and configuration.

Git Stash Advanced — Complete Guide

Learn how to temporarily stash uncommitted changes with git stash, including named stashes, partial stashing, and applying or dropping stashes from the stack.

Git Reflog — Complete Guide

Learn how to recover lost commits and navigate history with git reflog, including recovering from detached HEAD, reset operations, and branch recovery.

Git Rebase — Complete Guide

Learn how to rewrite commit history with git rebase, including interactive rebasing, squashing commits, editing messages, and resolving conflicts during rebase.

Git Bisect — Complete Guide

Learn to find the commit that introduced a bug with git bisect binary search, including automatic and manual bisection sessions and regression scripts.

Git Submodules — Complete Guide

Learn how to manage nested repositories with git submodules, including adding, updating, cloning, and synchronizing across team workflows and projects.

Git Worktree — Complete Guide

Learn how to work with multiple branches simultaneously using git worktree, including adding and removing worktrees and managing parallel development.

Git Tags — Complete Guide

Learn how to create, list, delete, and push git tags including lightweight and annotated tags for marking releases, versioning, and deployment management.

Vim Advanced — Complete Guide

Learn advanced vim features including macros, registers, marks, buffers, windows, tabs, folds, jump lists, quickfix, and session management for expert users.

Nano Guide

Learn to use the nano text editor including basic editing, search and replace, syntax highlighting, line numbers, configuration files, and keyboard shortcuts.

Emacs Basics — Complete Guide

Learn the fundamentals of the Emacs text editor including buffer management, file navigation, search and replace, keyboard macros, and Lisp customization.

VS Code Shortcuts — Complete Guide

Learn VS Code keyboard shortcuts and productivity features including multi-cursor editing, command palette, integrated terminal, and extensions management.

JetBrains Shortcuts — Complete Guide

Learn JetBrains IDE keyboard shortcuts including code navigation, refactoring, debugging, search everywhere, version control, and live templates for speed.

Vim Plugins — Complete Guide

Learn to manage and use vim plugins with popular managers like vim-plug, including installing, updating, configuring, and troubleshooting dependencies.

Neovim Basics — Complete Guide

Learn to use Neovim including Lua configuration, built-in LSP, treesitter, native terminal, and a modern plugin ecosystem for a powerful editing experience.

Python Virtualenv/Venv — Complete Guide

Learn to create isolated Python environments with venv and virtualenv for managing dependencies, avoiding conflicts, and reproducible setups across teams.

pip/poetry — Complete Guide

Learn to manage Python dependencies with pip and Poetry including package install, virtual environments, lock files, and version constraints for production.

npm/npx — Complete Guide

Learn to use npm and npx for Node.js package management including installing dependencies, running scripts, managing versions, and executing packages.

jq Advanced — Complete Guide

Learn advanced jq techniques for JSON processing including filters, pipes, functions, array and object iteration, and conditional transformations on data.

yq — Complete Guide

Learn to parse, filter, and transform YAML files using yq including reading nested values, updating documents, merging files, and converting between formats.

Curl Advanced — Complete Guide

Learn advanced curl usage including HTTP methods, headers, cookies, authentication, SSL handling, rate limiting, REST API testing, and file upload operations.

Wget Recursive — Complete Guide

Learn to use wget for recursive downloading including mirroring websites, setting crawl depth, robots.txt handling, and selective file downloads by type.

SQLite — Complete Guide

Learn to use SQLite including creating databases, running queries, importing and exporting data, using command-line tools, and integrating into applications.

csvkit — Complete Guide

Learn to process CSV files with csvkit including in2csv, csvcut, csvgrep, csvstat, csvlook, and csvsql for text data analysis and transformation at scale.

MySQL — Complete Guide

Learn to use MySQL including database creation, table management, SELECT queries, JOINs, indexing, user privileges, and backups with mysqldump for production.

GraphQL — Complete Guide

Learn the fundamentals of GraphQL including schema design, queries and mutations, resolvers, subscriptions, pagination, and API best practices and patterns.

REST API — Complete Guide

Learn REST API design and consumption including HTTP methods, status codes, authentication, versioning, pagination, and OpenAPI documentation standards.

MongoDB Aggregation — Complete Guide

Learn MongoDB aggregation pipeline including match, group, sort, project, lookup stages, operators, and complex transformations for analytics and reporting.

PostgreSQL Advanced — Complete Guide

Learn advanced PostgreSQL features including window functions, CTEs, indexing strategies, full-text search, JSON operations, and query optimization techniques.

scp/sftp — Complete Guide

Learn to securely transfer files with scp and sftp including recursive transfers, port configuration, key-based authentication, and automation scripts.

nmap — Complete Guide

Learn to use nmap for network discovery and auditing including port scanning, service detection, OS fingerprinting, and NSE script scanning for vulnerabilities.

tcpdump — Complete Guide

Learn to capture and analyze network traffic with tcpdump including filter expressions, protocol inspection, packet saving, and troubleshooting connectivity.

dig/nslookup — Complete Guide

Learn to query DNS records with dig and nslookup including A, AAAA, MX, CNAME, TXT records, reverse lookups, and troubleshooting resolution issues problems.

OpenSSL — Complete Guide

Learn to use OpenSSL for certificate management, key generation, encryption, decryption, TLS handshake testing, and CSR creation for secure communications.

GPG — Complete Guide

Learn to encrypt, decrypt, sign, and verify files with GPG including key pair generation, key management, symmetric encryption, and email security for trust.

ssh-keygen — Complete Guide

Learn to generate and manage SSH key pairs with ssh-keygen including ed25519 and RSA algorithms, passphrase management, and secure remote access securely.

Tmux Shortcuts — Complete Guide

Learn essential tmux shortcuts and commands including session management, window and pane navigation, copy mode, and custom key bindings for productivity.

Date/Time Formatting — Complete Guide

Learn to format and parse dates and times using date command, strftime, and ISO 8601 standards for scripting, logging, and scheduling tasks and automation.

base64 — Complete Guide

Learn to encode and decode data with base64 including command-line usage, encoding binary files, URL-safe encoding, and data transmission applications.

xxd/hexdump — Complete Guide

Learn to examine and manipulate binary data with xxd and hexdump including hex dumps, reverse dumps, offset navigation, and file format analysis and forensics.

rsync — Complete Guide

Learn to synchronize files and directories with rsync including local and remote transfers, incremental backups, compression, and efficient data migration.

dd — Complete Guide

Learn to use dd for low-level disk operations including cloning, backup and restore, creating bootable USB drives, and byte-level file manipulation tasks.

ionice/nice — Complete Guide

Learn to control process scheduling priority with nice and ionice including adjusting CPU and I/O priorities for background and system tasks effectively.

sort/uniq/wc — Complete Guide

Learn to sort, count, and deduplicate text data using sort, uniq, and wc including numeric sorting, key fields, and frequency analysis in pipelines effectively.

diff/patch — Complete Guide

Learn to compare files and apply changes with diff and patch including unified diffs, recursive directory comparison, and creating and applying patches.

ulimit — Complete Guide

Learn to view and configure system resource limits with ulimit including file descriptors, process limits, stack size, and core dumps for tuning performance.

file Command — Complete Guide

Learn to determine file types with the file command including magic numbers, MIME types, binary analysis, and identifying unknown files on systems for analysis.

strings — Complete Guide

Learn to extract readable text from binary files with strings including minimum length filtering, encoding detection, and analyzing executables and data.

traceroute — Complete Guide

Learn to diagnose network path and latency issues with traceroute including hop-by-hop analysis, packet loss detection, and routing troubleshooting effectively.