Programming Cheatsheets
Quick reference guides for every language. Essential syntax, methods, and code examples all in one place. Perfect for learning, reviewing, or keeping handy while coding.
Available Cheatsheets
JavaScript
Cheatsheet
Essential JavaScript syntax and methods for web development. From basics to advanced concepts.
TOPICS COVERED
Variables, Functions, Arrays, Objects, Loops, DOM Manipulation, Events, Promises, Async/Await
Python
Cheatsheet
Python essentials for data science, automation, and web development. Clean syntax reference.
TOPICS COVERED
Variables, Functions, Lists, Dictionaries, Loops, Classes, File I/O, Modules, Decorators
TypeScript
Cheatsheet
TypeScript type system and advanced features. Build type-safe applications with confidence.
TOPICS COVERED
Types, Interfaces, Generics, Type Guards, Utility Types, Classes, Modules, Advanced Types
Java
Cheatsheet
Java fundamentals and enterprise patterns. From syntax basics to object-oriented design.
TOPICS COVERED
Variables, Methods, Classes, Loops, Arrays, Collections, OOP, Exceptions, Streams
C#
Cheatsheet
Microsoft's powerful language. Build games, desktop apps, and web services.
Go
Cheatsheet
Simple and efficient. Build fast, reliable backend services.
Rust
Cheatsheet
Safe and blazingly fast. Build systems and performance-critical applications.
SQL
Cheatsheet
SQL query syntax and database operations. Master relational database management.
TOPICS COVERED
SELECT, INSERT, UPDATE, DELETE, JOINs, Aggregations, Subqueries, Indexes, Transactions
HTML & CSS
Cheatsheet
The foundation of the web. Structure content and style beautiful interfaces.
React
Cheatsheet
The most popular frontend library. Build component-based user interfaces with ease.
What's in a Cheatsheet?
Quick Syntax Reference
All essential syntax patterns at your fingertips. No more searching through documentation for basic operations.
Common Methods & Operations
Most frequently used methods and operations organized by category. Find what you need fast.
Code Examples
Practical code snippets you can copy and adapt. Learn by seeing real-world usage patterns.
Links to Practice Exercises
Jump straight to interactive exercises. Theory and practice in perfect harmony.
How to Use Cheatsheets
Bookmark for Quick Reference
Keep cheatsheets bookmarked in your browser. Access instant syntax help whenever you're coding.
Use Alongside Practice
Reference cheatsheets while working through exercises. Reinforce learning with hands-on practice.
Great for Interview Prep
Review key concepts before interviews. Quick refreshers on syntax and methods you might need.
Ready to Start Practicing?
Cheatsheets are great for reference, but nothing beats hands-on practice. Start with interactive fill-in-the-blank exercises and build real coding fluency.