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Programming Cheatsheets

Browse quick references and essential syntax for JavaScript, PHP, Python, Java and more. Practical examples organized by categories to speed up development.

100 cheatsheets

Languages Frameworks CMD commands Databases Keyboard Shortcuts Tools

Languages

28 linguagens

HTML

Markup language for web pages

103 cards

PHP

Server-side web programming language

124 cards

JavaScript

Programming language for web and applications

93 cards

Python

Versatile and easy-to-learn programming language

109 cards

CSS

Stylesheets for web design

94 cards

Java

Object-oriented programming language

126 cards

C++

High-performance language with memory control

100 cards

C#

Microsoft programming language

122 cards

Node.js

Runtime JavaScript server-side

101 cards

TypeScript

Statically typed JavaScript

94 cards

Go

Google programming language

84 cards

Ruby

Complete Ruby language reference — elegant, expressive, and object-oriented

64 cards

Dart

Google language, based on Flutter, for mobile, web and server apps

122 cards

Swift

Complete Swift language reference — secure, fast and modern for iOS/macOS

72 cards

Kotlin

Modern language for Android, backend and cross-platform

95 cards

R

Language for statistics, data analysis and visualization

66 cards

Perl

Powerful scripting language for text, sysadmin and automation

112 cards

Rust

Memory-safe systems language without garbage collector

92 cards

Lua

Lightweight scripting language for games, embedded and automation

71 cards

Scala

Multi-paradigm language in the JVM: functional and object-oriented

72 cards

Elixir

Functional language in BEAM VM for concurrent and scalable applications

76 cards

Visual Basic

Microsoft language for Windows, Office and automation applications

112 cards

Pascal

Classic structured language for teaching and development (Free Pascal/Delphi)

105 cards

Objective-C

Apple's object-oriented language for macOS and iOS

62 cards

COBOL

Classic business language for mainframe systems and batch processing

60 cards

Clojure

Modern Lisp on the JVM: Functional, Immutable, and Concurrent

66 cards

Haskell

Pure functional language with strong types and lazy evaluation

70 cards

Assembly

Low-level language with direct hardware access (x86/NASM)

80 cards

Frameworks

20 frameworks

Entity Framework

ORM for .NET

112 cards

Laravel

PHP framework for web development

167 cards

React

JavaScript library for interfaces

122 cards

CodeIgniter

Light and simple PHP framework

95 cards

Bootstrap

CSS framework for responsive development

128 cards

Tailwind CSS

Framework CSS utility-first

154 cards

Express.js

Minimalist web framework for Node.js

105 cards

jQuery

JavaScript library for DOM manipulation

112 cards

Playwright

Microsoft framework for end-to-end testing and web automation

125 cards

Flutter

Framework for mobile development

132 cards

Vue.js

Progressive frontend framework for reactive interfaces

93 cards

Symfony

Robust and mature PHP framework for enterprise web applications

92 cards

Next.js

Full-stack React Framework with server-side rendering and App Router

85 cards

Angular

Google frontend framework based on TypeScript

152 cards

Django

High-level, fast and secure Python web framework

115 cards

FastAPI

Modern and fast Python framework for APIs with type hints

68 cards

Svelte

Compiled, lightweight and ultra-performing frontend framework

75 cards

Flask

Lightweight and flexible Python micro-framework for web applications

72 cards

Ruby on Rails

Full-stack Ruby web framework with convention over configuration

75 cards

Spring Boot

Java framework for enterprise applications and REST APIs

66 cards

CMD commands

12 comandos

Git

Version control system

87 cards

Linux CMD

Commands for Linux terminal

33 cards

Windows CMD

Commands for Windows terminal

35 cards

Mac CMD

Essential macOS Terminal Commands

38 cards

GitHub CLI

Official GitHub command-line tool

22 cards

Cron Jobs

Task scheduling on Unix/Linux systems

23 cards

Regex

Regular expressions — search patterns and text manipulation

47 cards

cURL

Data transfer tool

34 cards

PowerShell

Microsoft Automation and Scripting Shell

26 cards

Netstat

Tool for network analysis

33 cards

SSH / SCP

Secure remote access and file transfer

24 cards

FFmpeg

Audio and video manipulation via command line

25 cards

Databases

8 bases de dados

Redis

In-memory database (key-value)

64 cards

PostgreSQL

Advanced, open source and extensible relational DBMS

96 cards

MongoDB

Document-oriented NoSQL database (JSON/BSON)

78 cards

SQL and MySQL

Query language and management of relational databases (generic SQL and MySQL)

108 cards

Firebase / Firestore

Google's NoSQL platform for real-time and cloud apps

64 cards

SQLite

Embedded, lightweight, serverless database (.db file)

97 cards

Elasticsearch

Distributed search and analytics engine for logs, metrics and full-text search

91 cards

Neo4j

Graph database with Cypher query language

72 cards

Keyboard Shortcuts

16 atalhos

VS Code / VSCodium

Microsoft code editor (and VSCodium, the open source version).

44 cards

Notepad++

Text editor for Windows with syntax highlighting

43 cards

Sublime Text

Lightweight, fast, cross-platform code editor

42 cards

Lite XL

Light and fast text editor, written in Lua

27 cards

Android Studio

Google's official IDE for Android development (Kotlin/Java/Flutter)

60 cards

Eclipse

Popular IDE for Java and other languages

43 cards

Neovim

Vim-based modal editor, extensible in Lua

58 cards

Gedit

Default text editor for the GNOME environment (Linux)

28 cards

IntelliJ IDEA

JetBrains IDE for Java/Kotlin (basis for Android Studio and Flutter)

61 cards

Xcode

Official Apple IDE for iOS, macOS, watchOS and tvOS (Swift/Objective-C)

54 cards

Microsoft Access

Microsoft Database Management System

60 cards

Microsoft Excel

Microsoft Spreadsheet for Data, Formulas, and Charts

55 cards

SourceTree

Free graphical Git client for Windows and Mac

20 cards

Fork

Fast and intuitive Git client for Windows and Mac

20 cards

Wireshark

Network protocol analyzer for security and diagnostics

25 cards

Obsidian

Application of notes and knowledge management for programmers

25 cards

Tools

16 ferramentas

Docker

Container platform for creating, distributing and running applications

110 cards

Kubernetes

Container orchestration for deployment, scaling and automated management

114 cards

Jenkins

CI/CD automation server for builds, tests and deployments

72 cards

Jira

Project management and issue tracking tool

21 cards

Terraform

Infrastructure as code to provision cloud and services

34 cards

Figma

Interface design and collaborative prototyping tool

22 cards

Slack

Team communication and collaboration platform

19 cards

Postman

API testing and development platform

56 cards

Chrome DevTools

Chrome browser development tools

22 cards

Vite

Ultra-fast build tool for modern web projects

20 cards

Prettier

Opinionated code formatter for JavaScript, CSS and more

19 cards

Webpack

Module bundler for modern JavaScript applications

22 cards

Babel

JavaScript compiler for compatibility with older browsers

19 cards

npm / yarn

Package managers for JavaScript and Node.js

23 cards

Nginx

High-performance web server, reverse proxy and load balancer

24 cards

Apache

Robust and extensible HTTP web server with .htaccess

25 cards

DevTools

Text

Programming

Cheatsheets

Utilities

Math

Programming Cheatsheets

Languages

HTML

PHP

JavaScript

Python

CSS

Java

C++

C#

Node.js

TypeScript

Go

Ruby

Dart

Swift

Kotlin

R

Perl

Rust

Lua

Scala

Elixir

Visual Basic

Pascal

Objective-C

COBOL

Clojure

Haskell

Assembly

Frameworks

Entity Framework

Laravel

React

CodeIgniter

Bootstrap

Tailwind CSS

Express.js

jQuery

Playwright

Flutter

Vue.js

Symfony

Next.js

Angular

Django

FastAPI

Svelte

Flask

Ruby on Rails

Spring Boot

CMD commands

Git

Linux CMD

Windows CMD

Mac CMD

GitHub CLI

Cron Jobs

Regex

cURL

PowerShell

Netstat

SSH / SCP

FFmpeg

Databases

Redis

PostgreSQL

MongoDB

SQL and MySQL

Firebase / Firestore

SQLite

Elasticsearch

Neo4j

Keyboard Shortcuts