Cheat Sheets

Complete Python cheat sheet with syntax, examples, and concepts - essential reference for data types, functions, classes, and libraries.

Comprehensive PHP cheat sheet covering variables, functions, classes, arrays, database operations, security best practices, and modern PHP features.

Comprehensive Markdown cheat sheet online - syntax guide with clear examples and practical usage tips.

Complete Git commands cheat sheet - essential reference for repository management, branching, and merging.

Essential SQL commands cheat sheet - quick reference for database queries, management, and analysis.

Complete regular expressions cheat sheet - practical examples and pattern matching rules for developers.

Complete Bash scripting cheat sheet - variables, loops, functions, conditionals, and automation for system administrators and DevOps engineers.

Essential Linux commands cheat sheet - quick reference for command line usage and file management.

Complete Nmap commands cheat sheet - network scanning, port discovery, and security testing reference for ethical hackers.

Complete VI editor commands reference - searchable cheat sheet with examples and usage instructions.

Complete VIM editor commands cheat sheet - comprehensive reference with examples and usage instructions.

Complete Visual Studio Code keyboard shortcuts - essential reference for productivity, debugging, and code editing workflows.

Essential Tmux commands cheat sheet - quick reference for efficient terminal multiplexing and session management.

Complete Java programming cheat sheet - syntax, OOP concepts, collections, and modern features reference.

Comprehensive JavaScript cheat sheet covering variables, functions, objects, arrays, async programming, DOM manipulation, and modern ES6+ features.

Comprehensive TypeScript cheat sheet covering type annotations, interfaces, generics, utility types, classes, modules, compiler configuration, and framework integration - essential reference for modern web development.

Comprehensive Node.js cheat sheet covering NPM commands, core modules, Express.js framework, async patterns, environment configuration, and backend development best practices.

Comprehensive R programming cheat sheet - data manipulation, visualization, and statistical analysis reference.

Essential Excel formulas cheat sheet - quick reference guide for spreadsheet functions and calculations.

Comprehensive CSS cheat sheet covering selectors, properties, flexbox, grid, animations, responsive design, and modern CSS features for web development.

Complete Tailwind CSS cheat sheet - quick reference for utility classes and responsive design.

Complete Docker commands cheat sheet - containers, images, compose, and deployment reference.

Complete Kubernetes (k8s) commands cheat sheet - kubectl reference for pods, services, deployments, namespaces, and container orchestration with examples.

Comprehensive LaTeX cheat sheet with searchable command reference, syntax guide, and practical examples. Master LaTeX document typesetting with our complete reference.

Complete AWS CLI commands cheat sheet - essential reference for cloud services, S3, EC2, Lambda, and infrastructure management.

Complete Go (Golang) cheat sheet - essential reference for basic syntax, goroutines, channels, structs, interfaces, error handling, HTTP servers, and popular libraries like Gin, Echo, and GORM.

Comprehensive SQL injection cheat sheet for defensive security - understand attack techniques across Oracle, MySQL, PostgreSQL, MSSQL to build better defenses and secure applications.

Complete Big-O notation cheat sheet with time and space complexity for data structures and sorting algorithms. Essential reference for algorithm analysis, performance optimization, and technical interviews.