All Cheatsheets

Learn JavaScript

Code Foundations - Learn How to Code

Full-Stack Engineer - JavaScript Syntax, Part I

Computer Science - CS101: Introduction to Programming

Build a Website with HTML, CSS, and Github Pages - Beginner HTML

Front-End Engineer - Web Development Fundamentals

Introduction to Cybersecurity

Learn TypeScript

Learn the Command Line

Full-Stack Engineer - JavaScript Syntax, Part II

Data Scientist - Python Fundamentals

Analyze Data with SQL - Getting Started with SQL

Create Video Games with Phaser.js - Learn JavaScript Basics

Learn Intermediate CSS

Front-End Engineer - Improved Styling with CSS

Full-Stack Engineer - Git and Github, Part I

Building Interactive JavaScript Websites

Full-Stack Engineer - Web Development Fundamentals

Learn React Native

Analyze Data with Python - Introduction to Python

Build Chatbots with Python - Introduction to Python and Chatbots

Build Basic Android Apps with Java - Android and Java Foundations

Full-Stack Engineer - Setting Up Your Dev Environment

Learn Bash Scripting

Front-End Engineer - Making a Website Responsive

Analyze Data with SQL - Writing Basic Queries

Analyze Financial Data with Python - Introduction to Python

Create a Front-End App with React - Introduction to JavaScript and Building Apps

Full-Stack Engineer - Improved Styling with CSS

Full-Stack Engineer - Building Interactive Websites with JavaScript

Learn the Basics of Regular Expressions

Data Analyst - Python Fundamentals

Full-Stack Engineer - Making a Website Responsive

Analyze Data with SQL - Calculating Aggregates

Analyze Data with SQL - Joining Multiple Tables

Back-End Engineer - Setting Up Your Dev Environment

Data Scientist - Data Acquisition

Visualize Data with Python - Introduction to Python

Build a Website with HTML, CSS, and Github Pages - Beginner CSS

Data Analyst - Data Manipulation with Pandas

Front-End Engineer - JavaScript Syntax, Part I

Build a Website with HTML, CSS, and Github Pages - How to Build Websites on Your Own Computer

Learn the Basics of Machine Learning

Front-End Engineer - JavaScript Syntax, Part II

Learn Web Scraping with Beautiful Soup

Build iOS Apps with SwiftUI - iOS and Swift Foundations

Full-Stack Engineer - JavaScript Syntax, Part III

Computer Science - CS102: Data Structures and Algorithms

Analyze Data with Python - NumPy: A Python Library for Statistics

Full-Stack Engineer - React, Part II

Build a Website with HTML, CSS, and Github Pages - Intermediate CSS: Colors and Typography

Full-Stack Engineer - React, Part I

Build a Website with HTML, CSS, and Github Pages - Responsive Design and Accessibility

Full-Stack Engineer - Async JavaScript and HTTP Requests

Learn Intermediate Python 3

Back-End Engineer - JavaScript Syntax, Part I

Learn Data Analysis with Pandas

Build a Website with HTML, CSS, and Github Pages - Intermediate CSS: Layout and Positioning

Build Python Web Apps with Django - Introduction to Django

Analyze Data with Python - Data Manipulation with Pandas

Learn React Testing

Linear Regression in Python

Build a Machine Learning Model with Python - Supervised Learning: Regression

Data Scientist - Summary Statistics

Learn How to Get Started with Natural Language Processing

Build a Website with HTML, CSS, and Github Pages - Advanced CSS: Flexbox and CSS Transitions

Data Scientist - Data Wrangling and Tidying

Front-End Engineer - Building Interactive Websites

Full-Stack Engineer - Build a Back-End with Node/Express.js

Pass the Technical Interview with Python - Welcome to Interview Prep in Python

Build Chatbots with Python - Python Data Structures and Loops

Design Databases With PostgreSQL - What Is A Database?

Build iOS Apps with SwiftUI - Wireframing and Creating a Project in Xcode

Build a Website with HTML, CSS, and Github Pages - Finishing Touches and Publishing a Website

Analyze Data with R - What Is R?

Create a Professional Website with Velo by Wix

Data Analyst - Hypothesis Testing

Build Chatbots with Python - Rule-Based Chatbots

Pass the Technical Interview with Python - Linear Data Structures

Create a Front-End App with React - Introduction to React

Build Python Web Apps with Flask - Introduction to Python

Learn Asynchronous JavaScript

Learn Responsive Design

Back-End Engineer - JavaScript Syntax, Part II

Build Web Apps with ASP.NET - Beginner C#

Front-End Engineer - JavaScript Syntax, Part III

Learn Intermediate Swift

Full-Stack Engineer - Redux

Data Scientist - Data Visualization

Back-End Engineer - Build a Back-End with Node/Express.js

Front-End Engineer - React, Part II

Front-End Engineer - React, Part I

Analyze Data with Python - Data Visualization with Matplotlib

Create an Advanced Web App with React and Redux - React

Build Python Web Apps with Django - Templates in Django

Create a Back-End App with JavaScript - JavaScript Fundamentals

Data Scientist - Foundations of Machine Learning: Supervised Learning

Build Basic Android Apps with Java - Wireframing, Java Variables, and Android Studio

Analyze Data with Python - Statistics for Data Analysis

Data Analyst - Data Acquisition

Front-End Engineer - Command Line, Git, GitHub

Learn Statistics with Python

Analyze Data with Python - Hypothesis Testing with SciPy

Java for Programmers

Analyze Financial Data with Python - Introduction to Pandas

Front-End Engineer - Async JavaScript and HTTP Requests

Create a Front-End App with React - JavaScript Functions, Arrays, and Loops

Full-Stack Engineer - SQL for Back-End Development

Build Python Web Apps with Flask - Introduction to Flask

Pass the Technical Interview with JavaScript - Getting Started with Data Structures

Java: Algorithms

Build a Machine Learning Model with Python - Supervised Learning: Introduction to Classification

Create a Front-End App with React - Modern JavaScript: Modules and Browser Compatibility

Create Video Games with Phaser.js - Learn JavaScript: Function and Scope

Analyze Data with R - Introduction To Programming In R

How to Clean Data with Python

Master Statistics with Python - Variable Types

Apply Natural Language Processing with Python - Getting Started with Natural Language Processing

Create a Front-End App with React - JavaScript Iterators, Objects, and Classes

Design Databases With PostgreSQL - What Can I Do With A Database?

Data Scientist - Natural Language Processing

Build Deep Learning Models with TensorFlow - Getting Started with TensorFlow

Build iOS Apps with SwiftUI - Building Code History: The User Interface

Build Python Web Apps with Django - Data in Django

Learn A-Frame (VR)

Build Deep Learning Models with TensorFlow - Foundations of Deep Learning and Perceptrons

Full-Stack Engineer - Git and GitHub, Part II

Pass the Technical Interview with Java - Getting Started With Data Structures

Visualize Data with Python - Graphing in Python

Create a Front-End App with React - React: Components Interacting

Pass the Technical Interview with Java - Linear Data Structures

Create an Advanced Web App with React and Redux - Introduction to React and Redux

Learn Statistics with NumPy

Back-End Engineer - JavaScript Syntax, Part III

Build Basic Android Apps with Java - Programming Logic with Java

Java: Inheritance and Polymorphism

Analyze Financial Data with Python - Introduction to NumPy

Create a Front-End App with React - React: Component State

Design Databases With PostgreSQL - How Do I Make And Populate My Own Database?

Build Python Web Apps with Flask - Introduction to Python Data Structures and Loops

Pass the Technical Interview with JavaScript - JavaScript Linear Data Structures

Java: Loops and Arrays

Learn the Basics of Android

Learn Data Visualization with Python

Create a Front-End App with React - AJAX Requests and API Interactions

Full-Stack Engineer - Designing Relational Databases

Analyze Financial Data with Python - Visualizing Finance Data

Build Python Web Apps with Django - Views in Django

Data Scientist - SQL for Interview Prep

Full-Stack Engineer - Advanced PostgreSQL

Full-Stack Engineer - Linear Data Structures

Build a Machine Learning Model with Python - Supervised Learning: Advanced Classification

Visualize Data with Python - Python for Data Analysis

Java: Object-Oriented Programming

Front-End Engineer - Redux

Build Web Apps with ASP.NET - ASP.NET I

Exploratory Data Analysis in Python

Java: Introductions and Variables

Learn Recursion with Python

Visualize Data with Python - Data Manipulation in Python

Build Python Web Apps with Django - Forms in Django

Create a Back-End App with JavaScript - JavaScript Conditionals and Functions

Study for the AP Computer Science A Exam (Java) - Writing Your First Java Program

Create Video Games with Phaser.js - Learn JavaScript: Arrays and Loops

Create a Back-End App with JavaScript - Building Back-End Servers with Express.js

Build Web Apps with ASP.NET - Intermediate C#

Analyze Data with R - Statistics In R

Data Scientist - Foundations of Machine Learning: Unsupervised Learning

Build Python Web Apps with Django - Accounts and Authentication in Django

Create an Advanced Web App with React and Redux - Redux

Create a Back-End App with JavaScript - JavaScript Objects, Modules, and Browser Compatibility

Learn Statistics with R

Build iOS Apps with SwiftUI - Building Code History: The Question Model

Build iOS Apps with SwiftUI - Building Code History: The Game Model

Data Analyst - Summary Statistics

Technical Interview Practice with Python

Data Analyst - Data Wrangling and Tidying

Visualize Data with Python - Advanced Graphing in Python

Design Databases With PostgreSQL - How Do I Make Sure My Database Stays Intact?

Build Chatbots with Python - Retrieval-Based Chatbots

Full-Stack Engineer - Algorithms

Analyze Financial Data with Python - Regression

Full-Stack Engineer - Complex Data Structures

Build Basic Android Apps with Java - Java Arrays and Loops

Design Databases With PostgreSQL - How Do I Make Sure My Database Stays Fast?

Learn Node-SQLite

Pass the Technical Interview with Python - Hash Maps

Build Deep Learning Models with TensorFlow - Classification

Build Python Web Apps with Flask - Introduction to SQL and Databases for Back-End Web Apps

Analyze Data with R - Data Visualization In R

Linear Data Structures

Front-End Engineer - Linear Data Structures

Pass the Technical Interview with Python - Algorithmic Concepts

Analyze Data with R - Working With Data In R

Data Analyst - Data Visualization

Apply Natural Language Processing with Python - Text Preprocessing

Pass the Technical Interview with Python - Nonlinear Data Structures

Build a Machine Learning Model with Python - Unsupervised Learning

Create Video Games with Phaser.js - Learn JavaScript: Higher Order Functions and Iterators

Build a Machine Learning Model with Python - Perceptrons and Neural Nets

Create a Back-End App with JavaScript - JavaScript Arrays, Loops, and Iterators

Build Basic Android Apps with Java - Android App Development

Full-Stack Engineer - Search & Graph Search Algorithms

(Beta) Create REST APIs with Spring and Java - Java I

Learn React Router

Fundamental Math for Data Science - Probability

Full-Stack Engineer - Interview Skills

Analyze Data with R - Introduction To Machine Learning In R

Create Video Games with Phaser.js - Learn JavaScript: Objects

Study for the AP Computer Science A Exam (Java) - Object-Oriented Programming

Master Statistics with Python - Probability

Learn Complex Data Structures

Pass the Technical Interview with Java - Hash Maps

Build iOS Apps with SwiftUI - Building Code History: The Final App

Master Statistics with Python - Summary Statistics for Quantitative Data

Pass the Technical Interview with Java - Nonlinear Data Structures

Java: Going Further with Classes and Methods

Back-End Engineer - SQL for Back-End Development

Build Chatbots with Python - Deep Learning and Generative Chatbots

Front-End Engineer - Complex Data Structures

Pass the Technical Interview with Python - Sorting Algorithms

How to Debug JavaScript Errors

Computer Science - CS103: Databases

Pass the Technical Interview with Java - Algorithmic Concepts

Learn Emojicode

Front-End Engineer - Algorithms

Java: Conditionals and Control Flow

Pass the Technical Interview with JavaScript - Hash Maps

Master Statistics with Python - Visualizing a Distribution of Quantitative Data

Pass the Technical Interview with Python - Graphs and Graph Traversals

Learn Sorting Algorithms with Python

Study for the AP Computer Science A Exam (Java) - Arrays and Loops

Apply Natural Language Processing with Python - Language Quantification

Learn Linear Regression in R

Pass the Technical Interview with JavaScript - Nonlinear Data Structures

Back-End Engineer - Designing Relational Databases

Back-End Engineer - Website Development Fundamentals

Master Statistics with Python - Summary Statistics for Categorical Data

Front-End Engineer - Interview Skills

Master Statistics with Python - Linear Regression

Pass the Technical Interview with JavaScript - Algorithmic Concepts

Master Statistics with Python - Hypothesis Testing

Study for the AP Computer Science A Exam (Java) - Conditionals and Control Flow

Build Basic Android Apps with Java - Intermediate Java and Capstone Project

Master Statistics with Python - Associations between Variables

Front-End Engineer - Search & Graph Search Algorithms

Create Video Games with Phaser.js - Learn JavaScript Classes and Phaser Animations

Pass the Technical Interview with Java - Sorting Algorithms

Create a Back-End App with JavaScript - SQL for Back-End Development

Pass the Technical Interview with Python - Interview Prep and Practice Problems

Learn Hardware Programming with CircuitPython

Learn Handlebars

Back-End Engineer - Building Interactive Websites with JavaScript

Create a Back-End App with JavaScript - Connecting JavaScript and SQL

Pass the Technical Interview with Java - Graph Data Structures

Study for the AP Computer Science A Exam (Java) - A Deeper Dive Into Classes

User Authentication & Authorization in Express

CS101 Livestream Series

Learn React.js: Part II

How to Implement Search Algorithms with Python

Pass the Technical Interview with JavaScript - JavaScript Interview Prep and Algorithm Practice

Pass the Technical Interview with JavaScript - Sorting Algorithms

Text Preprocessing

Study for the AP Computer Science A Exam (Java) - Algorithms

Apply Natural Language Processing with Python - Text Generation

Text Generation

Pass the Technical Interview with Java - Java Interview Prep and Algorithms Practice

Build Web Apps with ASP.NET - ASP.NET II

Hypothesis Testing with Python

(Beta) Create REST APIs with Spring and Java - Web and Spring Basics

Study for the AP Computer Science A Exam (Java) - Code Challenges

Technical Interview Practice with JavaScript

Technical Interview Practice with Java

Language Parsing

Learn Data Structures and Algorithms with Python

Study for the AP Computer Science A Exam (Java) - Inheritance and Polymorphism

(Beta) Create REST APIs with Spring and Java - Java II

(Beta) Create REST APIs with Spring and Java - Responding to Requests

Back-End Engineer - Deploying Your Server

Back-End Engineer - Interview Skills

(Beta) Create REST APIs with Spring and Java - Spring Context

Fundamental Math for Data Science - Descriptive Statistics

Fundamental Math for Data Science - Linear Algebra

Fundamental Math for Data Science - Differential Calculus

Fundamental Math for Data Science - Inferential Statistics

Data Scientist Interview Preparation - Machine Learning and Algorithms for Data Science Interviews

Create an Advanced Web App with React and Redux - Deployment

Deploying with Netlify and Heroku

Data Scientist - Foundations of Deep Learning