Monthly Popular Cheatsheets

Explore the most popular cheat sheets and reference guides created by users around the world.

Hotwire for Ruby on Rails Developers
Hotwire for Ruby on Rails Developers

This cheatsheet provides a comprehensive quick reference to Hotwire's core components in Ruby on Rails, including Turbo, Stimulus, and their integration for building fast, dynamic web applications. It covers essential setup steps, code examples, debugging techniques, and best practices to streamline development and improve performance.

#1
Advanced Active Record
Advanced Active Record

Unlock advanced Active Record techniques with our concise cheatsheet for expert Rails developers. Covering complex queries, associations, eager loading, validations, and performance optimizations, this guide boosts your Rails app efficiency with practical examples and best practices.

#2
MIME types
MIME types

A comprehensive cheat sheet for MIME types, providing a quick reference for web developers and system administrators. Includes common MIME types with extensions and descriptions.

#3
Ruby Debugging Cheatsheet & Tips
Ruby Debugging Cheatsheet & Tips

A comprehensive guide to debugging Ruby code using built-in tools, Pry, and Byebug. This cheat sheet covers essential commands, techniques, and best practices to efficiently identify and resolve issues in your Ruby applications.

#4
Emoji Cheatsheet
Emoji Cheatsheet

A comprehensive emoji cheat sheet with quick reference codes for various platforms. Includes categories like People, Symbols, Objects, Places, and Nature.

#5
Affinity Designer Cheat Sheet
Affinity Designer Cheat Sheet

A comprehensive cheat sheet for Affinity Designer, covering essential tools, shortcuts, and techniques to enhance your workflow and design capabilities.

#6
Bash Cheatsheet
Bash Cheatsheet

A comprehensive cheat sheet for Bash scripting, covering essential syntax, commands, and best practices.

#7
Visual Studio Cheatsheet
Visual Studio Cheatsheet

A comprehensive cheat sheet for Visual Studio, covering essential shortcuts, features, and tools for efficient development.

#8
Screen Resolutions Cheatsheet
Screen Resolutions Cheatsheet

A comprehensive cheat sheet providing quick reference for screen sizes, resolutions, viewports, and densities of popular mobile phones, tablets, wearables, and laptops. Ideal for developers and designers optimizing for various devices.

#9
Lua Basics Cheatsheet
Lua Basics Cheatsheet

A comprehensive cheat sheet for the Lua scripting language, covering syntax, data structures, control flow, functions, metatables, and common APIs.

#10
Chemistry
Chemistry

A comprehensive cheat sheet covering advanced chemical concepts, including atomic structure, reaction kinetics, enzymes, and practical skills related to data analysis and environmental issues.

#11
HTTP Status Codes
HTTP Status Codes

A comprehensive cheat sheet covering HTTP status codes, providing a quick reference for developers and network administrators. Includes common codes, their meanings, and practical examples.

#12
Rsync Cheatsheet
Rsync Cheatsheet

A comprehensive cheat sheet for using Rsync, covering essential options, examples, and use cases for efficient file synchronization and backup.

#13
Langchain Python
Langchain Python

A quick reference guide to LangChain, covering core concepts, LCEL, RAG, agents, and more, to help you build powerful LLM applications.

#14
firebase
firebase

A quick reference for ABAP developers integrating with Firebase services, covering authentication, database, and cloud functions.

#15
Nmap Cheat Sheet
Nmap Cheat Sheet

A comprehensive cheat sheet for Nmap, covering essential scanning techniques, options, and usage examples for network discovery and security auditing.

#16
Odoo Quick Reference Guide
Odoo Quick Reference Guide

Your handy companion for navigating and developing within the Odoo ERP framework, covering core concepts, shortcuts, ORM, and view basics.

#17
macOS Finder Cheat Sheet
macOS Finder Cheat Sheet

A comprehensive cheat sheet for macOS Finder, covering essential keyboard shortcuts and actions to boost your file management efficiency.

#18
Chrome DevTools Cheatsheet
Chrome DevTools Cheatsheet

A comprehensive guide to Chrome DevTools, covering essential features for debugging, profiling, and optimizing web applications.

#19
Atom Editor Cheatsheet
Atom Editor Cheatsheet

A comprehensive guide to the Atom editor, covering essential shortcuts, features, and customization options for efficient coding.

#20
Sass Cheatsheet
Sass Cheatsheet

A comprehensive cheat sheet covering Sass syntax, variables, mixins, functions, and more, designed to help you write cleaner and more maintainable CSS.

#21
SQL Cheat Sheet
SQL Cheat Sheet

A quick reference guide to SQL, covering essential commands, data types, and functions for database management and querying.

#22
Command-Line & Shell Cheatsheet
Command-Line & Shell Cheatsheet

A comprehensive guide to navigating and utilizing command-line interfaces, covering essential commands, shell scripting, and environment management for increased productivity.

#23
Turkish Language Basics Cheatsheet
Turkish Language Basics Cheatsheet

A quick reference guide to essential Turkish grammar, vocabulary, and phrases for beginners.

#24
Cygwin Cheatsheet
Cygwin Cheatsheet

A comprehensive cheat sheet for using Cygwin, a Unix-like environment and command-line interface for Windows. This guide covers installation, basic commands, package management, and configuration tips to help you leverage the power of Cygwin efficiently.

#25
Postman Testing & Debugging Cheatsheet
Postman Testing & Debugging Cheatsheet

A comprehensive cheat sheet covering Postman's testing and debugging features, including writing tests, debugging requests, and using the Postman console effectively.

#26
TortoiseGit Cheat Sheet
TortoiseGit Cheat Sheet

A comprehensive cheat sheet for using TortoiseGit, a Windows shell extension for Git, covering essential operations, commands, and best practices for version control.

#27
Technical Writing Permissions Cheatsheet
Technical Writing Permissions Cheatsheet

A quick reference guide to understanding and managing permissions within technical writing workflows, focusing on templates and documentation control.

#28
Vim Cheatsheet
Vim Cheatsheet

A comprehensive cheat sheet for Vim, covering essential commands, modes, navigation, editing, and advanced features to boost your coding efficiency.

#29
Sublime Text Cheat Sheet
Sublime Text Cheat Sheet

A comprehensive cheat sheet for Sublime Text, covering essential commands, shortcuts, and features to enhance your coding workflow.

#30
Fish Shell Scripting Cheatsheet
Fish Shell Scripting Cheatsheet

A comprehensive guide to Fish shell scripting, covering syntax, commands, and best practices for efficient shell scripting.

#31
Notepad++ Cheatsheet
Notepad++ Cheatsheet

A comprehensive guide to Notepad++, covering essential shortcuts, features, and plugins for efficient text editing and code development.

#32
Zsh Cheat Sheet
Zsh Cheat Sheet

A comprehensive cheat sheet for Zsh, covering essential commands, expressions, process substitution, and configuration tips for efficient command-line usage.

#33
Mocha Testing Cheatsheet
Mocha Testing Cheatsheet

A quick reference guide to Mocha, a JavaScript test framework, covering setup, assertions, hooks, and advanced features for effective testing.

#34
Magento 2 Cheatsheet
Magento 2 Cheatsheet

A quick reference guide for Magento 2 developers, covering essential commands, configurations, code snippets, and best practices.

#35
Tomdoc Cheatsheet
Tomdoc Cheatsheet

A concise cheat sheet for Tomdoc, a documentation style emphasizing clarity through simple conventions. This guide covers syntax, tags, and best practices for generating understandable and maintainable documentation.

#36
Text Processing Tools Cheatsheet: grep, sed, awk
Text Processing Tools Cheatsheet: grep, sed, awk

A quick reference for using grep, sed, and awk for text processing in Linux/Unix environments, covering essential commands, options, and syntax with practical examples.

#37
Data Structures Cheatsheet
Data Structures Cheatsheet

A quick reference guide to common data structures, their properties, and common use cases. This cheatsheet provides a concise overview for developers and students.

#38
Cron Job Cheatsheet
Cron Job Cheatsheet

A comprehensive cheat sheet for Cron jobs, covering syntax, operators, special strings, and practical examples. Learn how to schedule tasks effectively with this handy reference.

#39
Behavioral Segmentation for Email & Automation
Behavioral Segmentation for Email & Automation

A comprehensive cheat sheet covering behavioral segmentation strategies for enhancing email marketing and automation efforts. Learn how to target your audience based on their actions and improve engagement.

#40
Object Oriented Program Design
Object Oriented Program Design

A comprehensive cheat sheet for C++ programming, Object-Oriented Programming (OOP), file I/O, classes, and its application in embedded systems, including communication protocols, OpenCV library, image and color processing, networking with sockets, 3D and PCB design, dynamic data management, version control, timing, threads, and Linux-Pi integration.

#41
Memory Management Cheatsheet
Memory Management Cheatsheet

A quick reference guide covering essential concepts and tools related to memory management in software development. This cheatsheet provides an overview of memory allocation, deallocation, common memory errors, and tools for detecting and preventing memory issues.

#42
Autodesk 3ds Max Cheatsheet
Autodesk 3ds Max Cheatsheet

A comprehensive cheat sheet covering essential Autodesk 3ds Max commands, tools, and workflows for digital illustration and 3D design. This guide provides quick references for modeling, texturing, animation, and rendering in 3ds Max.

#43
Italian Language Basics Cheatsheet
Italian Language Basics Cheatsheet

A quick reference guide to essential Italian grammar, vocabulary, and phrases for beginners.

#44
German Language Essentials Cheatsheet
German Language Essentials Cheatsheet

A quick reference guide to German grammar, vocabulary, and sentence structure for learners of all levels.

#45
SOLID Principles Cheat Sheet
SOLID Principles Cheat Sheet

A concise guide to the SOLID principles of object-oriented design, aimed at creating maintainable, flexible, and robust software.

#46
PostScript Cheatsheet
PostScript Cheatsheet

A quick reference guide to the PostScript page description language, covering fundamental concepts, operators, and syntax for generating graphics and text.

#47
Hebrew Language Basics Cheatsheet
Hebrew Language Basics Cheatsheet

A concise reference guide to essential Hebrew vocabulary, grammar, and pronunciation, designed to help beginners quickly grasp the fundamentals of the language.

#48
Korean Language Essentials Cheatsheet
Korean Language Essentials Cheatsheet

A quick reference guide covering essential Korean vocabulary, grammar, pronunciation, and useful phrases for beginners. Useful for learners in navigating the basics of the Korean language and culture.

#49
Regular Expressions (Regex) Examples Cheatsheet
Regular Expressions (Regex) Examples Cheatsheet

A comprehensive cheat sheet providing practical examples of regular expressions for various use cases. Master regex with these examples!

#50