Cheatsheets & Reference Guides
Quick reference guides to boost your productivity and refresh your memory
Programming
JavaScript Essentials
Core JavaScript concepts, syntax, and common patterns every developer should know.
Covers:
ES6+ FeaturesAsync/AwaitArray MethodsObject Destructuring
Web Design
CSS Grid & Flexbox
Complete guide to modern CSS layout techniques for responsive web design.
Covers:
Grid PropertiesFlexbox BasicsResponsive DesignCommon Patterns
Database
SQL Commands
Essential SQL queries for database operations, joins, and data manipulation.
Covers:
CRUD OperationsJOIN TypesAggregationsIndexing
Development
Git Commands
Most commonly used Git commands for version control and collaboration.
Covers:
BranchingMergingRebasingConflict Resolution
Programming
Regular Expressions
Regex patterns and examples for text processing and validation.
Covers:
Email ValidationURL MatchingPhone NumbersCommon Patterns
Web Development
HTTP Status Codes
Complete reference of HTTP status codes and their meanings.
Covers:
1xx Informational2xx Success3xx Redirection4xx Client Error5xx Server Error
Popular Cheatsheets
Developer Essentials
Must-know commands and syntax for modern development
- Terminal Commands (Linux/macOS/Windows)
- Package Managers (npm, yarn, pip)
- Version Control (Git)
- Build Tools (Webpack, Vite, etc.)
Design & UX
Essential guidelines and best practices for user experience
- Color Theory & Accessibility
- Typography Scales
- Spacing & Layout Grids
- Mobile-First Responsive Design
Interactive Cheatsheets
Color Picker
Interactive color palette generator with hex, RGB, and HSL values
Tool Available
Unit Converter
Convert between different units (length, weight, temperature, etc.)
Tool Available
Regex Tester
Test and debug regular expressions with real-time feedback
Tool Available
Downloadable Resources
Printable PDF versions of our most popular cheatsheets are coming soon.
Want a specific cheatsheet? Let us know and we'll add it to our roadmap.