The Lambda Lambada

Functional Python

Functional Workhorses

Functional Python

Timezones

Dates and Times in Python (2014)

Math Quiz App

Dates and Times in Python (2014)

Finding the Data You Want

SQL Basics

Getting Data from a Database

SQL Basics

Data, Databases and SQL

SQL Basics

Creating a Basic Website with Flask

Flask with SQLAlchemy Basics

Technical Interview Prep: Basic Python

Technical Interview Prep: Python Basics

Dice Roller

Object-Oriented Python

Python: Advanced Objects

Object-Oriented Python

Python: Inheritance

Object-Oriented Python

Python: Instant Objects

Object-Oriented Python

Creating a Memory Game

Basic Object-Oriented Python

Emulating Built-ins

Basic Object-Oriented Python

Welcome to OOP

Basic Object-Oriented Python

Iterating and Packing with Dictionaries

Introducing Dictionaries

Introducing Dictionaries

Introducing Dictionaries

Sequence Operations

Python Sequences

Sequence Iterations

Python Sequences

Packing and Unpacking

Functions, Packing, and Unpacking

Getting Info In and Out of Functions

Functions, Packing, and Unpacking

Introduction to Functions

Functions, Packing, and Unpacking

Getting to Know Tuples

Introducing Tuples

Build an Application

Introducing Lists

Using Lists

Introducing Lists

Meet Lists

Introducing Lists

Practice Functions

Practice Creating and Using Functions in Python

All Together Now

Python Basics

Functions and Looping

Python Basics

Types and Branching

Python Basics

Meet Python

Python Basics

Creating the Screen Layout

Build a Simple Android App with Kotlin

Getting Started with Android

Build a Simple Android App with Kotlin

Running Apps on a Device

Build a Simple iPhone App with Swift

Improving Our User Interface

Build a Simple iPhone App with Swift

Self-Assessment

Careers Foundations

Structs As Data Models

Build a Simple iPhone App with Swift

View Controllers and Views

Build a Simple iPhone App with Swift

Getting Started with iOS Development

Build a Simple iPhone App with Swift

Differentiating Between Objects

Object-Oriented Swift

Class Inheritance

Object-Oriented Swift

Classes in Swift

Object-Oriented Swift

Complex Data Structures

Object-Oriented Swift

Adding Power to Functions

Functions in Swift

Functions in Swift

Functions in Swift

Control Flow With Conditional Statements

Swift Collections and Control Flow

Control Flow With Loops

Swift Collections and Control Flow

Dictionaries in Swift

Swift Collections and Control Flow

Introduction to Collections

Swift Collections and Control Flow

Swift Operators

Swift Basics

Swift Types

Swift Basics

An Introduction to Swift Programming

Swift Basics

Combine and Minify Assets

Introduction to Front End Performance Optimization

Optimize Assets

Introduction to Front End Performance Optimization

Measuring Performance

Introduction to Front End Performance Optimization

Planning for Performance

Introduction to Front End Performance Optimization

Security: Solutions

Introduction to Data Security

Security: Concerns

Introduction to Data Security

Getting Started with Express

Express Basics

Optimization Best Practices

Front End Web Optimization Workflow

Asset Optimization

Front End Web Optimization Workflow

Why Web Performance Matters

Front End Web Optimization Workflow

Improving your Gulp Workflow

Gulp Basics

Compile Sass with Gulp

Gulp Basics

Gulp your JavaScript workflow!

Gulp Basics

Welcome to Gulp.js

Gulp Basics

AJAX and APIs

AJAX Basics (retiring)

jQuery and AJAX

AJAX Basics (retiring)

Programming AJAX

AJAX Basics (retiring)

AJAX Concepts

AJAX Basics (retiring)

Testing for Accessibility

Web Accessibility Compliance

Mobile Accessibility

Web Accessibility Compliance

Accessible UI Patterns

Web Accessibility Compliance

Semantic HTML and WAI-ARIA

Web Accessibility Compliance

WCAG 2.0 (and Other Standards)

Web Accessibility Compliance

Access for Everybody

Web Accessibility Compliance

Captioning Video

HTML Video and Audio

Media Basics

HTML Video and Audio

Improving the Application Code

DOM Scripting By Example

Editing and Filtering Names

DOM Scripting By Example

Adding and Removing Names

DOM Scripting By Example

Traversing the DOM

JavaScript and the DOM (Retiring)

Responding to User Interaction

Interacting with the DOM

Making Changes to the DOM

JavaScript and the DOM (Retiring)

Keyframe and Line Drawing Animations

Animating SVG with CSS

Transitions and Transforms

Animating SVG with CSS

Creating an SVG

SVG Basics

Introduction to SVG

SVG Basics

Adding 3D Effects with CSS

CSS Transitions and Transforms

Getting Started with CSS Transforms

CSS Transitions and Transforms

Responsive Patterns

Responsive Layouts

Transition Timing Functions and Delays

CSS Transitions and Transforms

Getting Started with CSS Transitions

CSS Transitions and Transforms

Building a Layout with Flexbox

CSS Flexbox Layout

Flexbox Properties

CSS Flexbox Layout

Understanding Flexbox

CSS Flexbox Layout

Add Reusable Logic to Your Sass

Sass Basics

Write Smart and Efficient CSS with Sass

Sass Basics

Improve Your Workflow with Sass

Sass Basics

Getting Started with Sass

Sass Basics

Debugging, Best Practices, and Production

CSS to Sass

Refactoring with Sass

CSS to Sass

Installing Sass and Setting up the Project

CSS to Sass

Getting a Handle on the DOM

JavaScript and the DOM (Retiring)

The Browser Environment

JavaScript and the DOM (Retiring)

Using a jQuery Carousel

Using jQuery Plugins

Add a Sticky Navigation Bar

Using jQuery Plugins

Introducing jQuery Plugins

Using jQuery Plugins

DOM Traversal

Introduction to jQuery

DOM Manipulation

Introduction to jQuery

Events

Introduction to jQuery

Hello, jQuery!

Introduction to jQuery

Responsive Theory

Responsive Layouts

Advanced Selectors

CSS Selectors

Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Selectors - Beyond the Basics

CSS Selectors

Choosing Options

HTML Forms

Organizing Forms

HTML Forms

Form Basics

HTML Forms

Media Queries

Responsive Layouts

Art Direction with the Picture Element

Responsive Images

Image Delivery with Srcset and Sizes

Responsive Images

Positioning Page Content

CSS Layout Basics

CSS Layout Project

CSS Layout Basics

Page Layout with the Float Property

CSS Layout Basics

Controlling Layout with CSS Display Modes

CSS Layout Basics

Going Mobile

HTML Email Design

Designing Email with CSS

HTML Email Design

Coding HTML Email

HTML Email Design

HTML Email Basics

HTML Email Design

Getting Started with CSS Layout

CSS Layout Basics

Fundamental Concepts

CSS Basics (2014)

Designing with the Latest Features

CSS Basics (2014)

Basic Layout

CSS Basics (2014)

Structuring Tables

HTML Tables

Table Basics

HTML Tables

The Box Model

CSS Basics (2014)

Understanding Values and Units

CSS Basics (2014)

Basic Selectors

CSS Basics (2014)

MASH JavaScript

Treehouse Club - MASH

Getting Started with CSS

CSS Basics (2014)

JavaScript Objects

JavaScript Loops, Arrays and Objects

MASH CSS

Treehouse Club - MASH

MASH HTML

Treehouse Club - MASH

Treehouse Club - JavaScript

Treehouse Club: JavaScript

Treehouse Club - CSS

Treehouse Club: CSS

Welcome to the Treehouse Club

Treehouse Club: HTML

JavaScript Arrays

JavaScript Loops, Arrays and Objects

JavaScript Loops

JavaScript Loops, Arrays and Objects

JavaScript Functions

JavaScript Basics (Retired)

JavaScript Conditional Statements

JavaScript Basics (Retired)

JavaScript Numbers

JavaScript Basics (Retired)

JavaScript Variables

JavaScript Basics (Retired)

Introducing JavaScript

JavaScript Basics (Retired)

Adding a New Web Page

Introduction to HTML and CSS (2016)

Make It Beautiful with CSS

Introduction to HTML and CSS (2016)

HTML: The Structural Foundation of Web Pages and Applications

Introduction to HTML and CSS (2016)

Getting Familiar with HTML and CSS

Introduction to HTML and CSS (2016)

Building Forms with Bootstrap

Bootstrap 4 Basics (Retired)

Using Bootstrap Components

Bootstrap 4 Basics (Retired)

Responsive Layouts with the Bootstrap Grid

Bootstrap 4 Basics (Retired)

Getting to Know Bootstrap 4

Bootstrap 4 Basics (Retired)

Functional Rules

Functional Python

Dates and Times

Dates and Times in Python (2014)

Buggy Logs

Write Better Python

Cleaner Code

Write Better Python

Hack-n-Slash

Object-Oriented Python (retired)

Local Python

Setting Up a Local Python Environment

Python Inheritance

Object-Oriented Python (retired)

Python Objects

Object-Oriented Python (retired)

Sound Design

Mobile Game Design

Introduction to Game Design

Mobile Game Design

Dungeon Game

Python Collections (Retired)

Tuples

Python Collections (Retired)

Dictionaries

Python Collections (Retired)

Slices

Python Collections (Retired)

Lists Redux

Python Collections (Retired)

Pick a Number! Any Number!

Python Basics (Retired)

Exterminator

Updating and Uninstalling Packages with npm

npm Basics (retiring)

Installing Packages with npm

npm Basics (retiring)

What is npm?

npm Basics (retiring)

Putting the "Fun" Back in "Functions"

Python Basics (Retired)

Shopping List

Python Basics (Retired)

Things That Count

Python Basics (Retired)

Ins & Outs

Python Basics (Retired)

Workflows

Git Basics

Working With Remote Repositories

Git Basics

Merging

Git Basics

Branches

Git Basics

Installing Programs

Console Foundations

Environment and Redirection

Console Foundations

Console Processes

Console Foundations

Console Users and Permission

Console Foundations

Moving Around in the Console

Console Foundations

Database Security

PHP & Databases with PDO

Say Hello to Python

Python Basics (Retired)

Queries & Results

PHP & Databases with PDO

Getting Started with PDO

PHP & Databases with PDO

WWW

How the Web Works

Computer Languages

Computer Basics

Securing and Maintaining a MySQL Database

Database Foundations

SQL Calculating, Aggregating and Other Functions

Database Foundations

Workspace Basics

Photoshop Foundations

Joining Relational Data Between Tables in SQL

Database Foundations

Manipulating Schema with SQL

Database Foundations

Creating Tables and Manipulating Data with SQL

Database Foundations

Reading Data from Databases with SQL

Database Foundations

Installing MySQL Server and MySQL Workbench

Database Foundations

Introduction to Data, Databases and SQL

Database Foundations

The Internet

How the Internet Works

Contact Forms & Mailers

Building Websites with PHP

Slim and Templates

Building Websites with PHP

Dependency Management

Building Websites with PHP

PHP Inheritance & Interfaces

Object-Oriented PHP Basics (Retired)

PHP Properties & Methods

Object-Oriented PHP Basics (Retired)

PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

PHP Internal Functions

PHP Functions

PHP Returns & Closures

PHP Functions

PHP Functions Basics

PHP Functions

Computer Basics

Computer Basics

PHP Loops

PHP Basics (Retired)

PHP Conditionals

PHP Basics (Retired)

PHP Datatypes

PHP Basics (Retired)

PHP Data & Structure

PHP Basics (Retired)

PHP Getting Started

PHP Basics (Retired)

Debugging HTML and CSS Problems

How to Make a Website

Sharing a Website

How to Make a Website

Responsive Web Design and Testing

How to Make a Website

Adding Pages to a Website

How to Make a Website

Styling Web Pages and Navigation

How to Make a Website

CSS: Cascading Style Sheets

How to Make a Website

Customizing Colors and Fonts

How to Make a Website

Creating HTML Content

How to Make a Website

HTML First

How to Make a Website

Beginning HTML and CSS

How to Make a Website

Finalizing the Project

Brand Identity Basics

Case Studies and Examples

Brand Identity Basics

The Brand Identity Design Process

Brand Identity Basics

Introduction to Brand Identity

Brand Identity Basics

Local WordPress Development

Local WordPress Development

WordPress Plugin Best Practices

How to Make a Website with WordPress

Customizing WordPress Themes

How to Make a Website with WordPress

WordPress Themes

How to Make a Website with WordPress

Installing Wordpress

How to Make a Website with WordPress

Building a WordPress.com Site

Great WordPress.com Websites

Getting Started with WordPress.com

Great WordPress.com Websites

Designing and Starting the App

Build a Self-Destructing Message iPhone App

Viewing a Web Page

Build a Blog Reader iPhone App

Adapting Data for Display

Build a Blog Reader iPhone App

Data Modeling

Build a Blog Reader iPhone App

Getting Data from the Web

Build a Blog Reader iPhone App

Rebuilding from Scratch

Build a Blog Reader iPhone App

Exploring the Master-Detail Template

Build a Blog Reader iPhone App

Testing and Debugging

Build a Simple iPhone App (iOS7)

Animate This (iOS7)

Build a Simple iPhone App (iOS7)

Designing your App

Build a Simple iPhone App (iOS7)

Refactoring into a Model

Build a Simple iPhone App (iOS7)

Creating a Data Collection

Build a Simple iPhone App (iOS7)

Understanding Views and View Controllers

Build a Simple iPhone App (iOS7)

Getting Started (iOS7)

Build a Simple iPhone App (iOS7)

Beyond the Basics

Objective-C Basics (Retired)

Advanced Objective-C

Objective-C Basics (Retired)

Foundation Framework

Objective-C Basics (Retired)

Introduction to Objective-C

Objective-C Basics (Retired)

Pointers and Memory

Objective-C Basics (Retired)

Functional Programming in C

Objective-C Basics (Retired)

Customizing Ruby on Rails Forms

Build a Simple Ruby on Rails Application

Ruby on Rails Authentication

Build a Simple Ruby on Rails Application

Rails Frontend Development

Build a Simple Ruby on Rails Application

Fundamentals of C

Objective-C Basics (Retired)

Getting Started With Rails

Build a Simple Ruby on Rails Application

Ruby Testing

Ruby Foundations

Standard Library

Ruby Foundations

Ruby Core

Ruby Foundations

Ruby Modules

Ruby Foundations

Ruby Procs & Lambdas

Ruby Foundations

Ruby Blocks

Ruby Foundations

Ruby Loops

Ruby Foundations

Ruby Methods

Ruby Foundations

Ruby Hashes

Ruby Foundations

Display Modes

CSS Layout Techniques

Ruby Arrays

Ruby Foundations

Getting Started With Git

Git Basics

Ruby Numbers

Ruby Foundations

Ruby Strings

Ruby Foundations

Objects, Classes, and Variables

Ruby Foundations

Introduction to Front-End Frameworks

Framework Basics

Why Version Control Matters

Git Basics

Installing a Ruby Development Environment

Installing a Ruby Development Environment

Creating a Simple Drawing Application

jQuery Basics (2014)

Creating a Password Confirmation Form

jQuery Basics (2014)

Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Creating a Simple Lightbox

jQuery Basics (2014)

Creating a Spoiler Revealer

jQuery Basics (2014)

Introduction to jQuery

jQuery Basics (2014)

JavaScript Objects

JavaScript Foundations

JavaScript Functions

JavaScript Foundations

JavaScript Arrays

JavaScript Foundations

JavaScript Numbers

JavaScript Foundations

JavaScript Strings

JavaScript Foundations

Introduction Variables

JavaScript Foundations

Functions

Introduction to Programming

Objects and Arrays

Introduction to Programming

Control Structures

Introduction to Programming

Basics

Introduction to Programming

Advanced Sass Concepts

Sass Basics (retired)

Speeding up Workflow With Sass

Sass Basics (retired)

Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Getting Started with Sass

Sass Basics (retired)

Media Queries

Unused CSS Stages

CSS Animations

Unused CSS Stages

Transitions and Transforms

Unused CSS Stages

Flexbox and Multi-Column Layout

Unused CSS Stages

Ruby Basics

Ruby Foundations

Gradients

CSS Foundations

Web Typography

CSS Foundations

Backgrounds and Borders

CSS Foundations

Design Foundations Final

Design Foundations

Becoming a Problem Solver

Design Foundations

Understanding Aesthetics

Design Foundations

Introduction to Design

Design Foundations

Color Theory

Aesthetic Foundations

Principles

Aesthetic Foundations

Introduction to Illustrator

Illustrator Foundations

The Job Search

Careers Foundations

Important Skills For Professional Success

Soft Skills

Business Plan Basics

How to Write a Business Plan

CSS Box Model

CSS Foundations

Text, Fonts, and Lists

CSS Foundations

Values and Units

CSS Foundations

Advanced Selectors

CSS Foundations

Selectors

CSS Foundations

Getting Started with CSS

CSS Foundations

Forms

HTML

Tables

HTML

Objects

HTML

Links

HTML

Lists

HTML

Text

HTML

Elements

Aesthetic Foundations

The Logo Sprint

Logo Design Basics

Logo Design 101

Logo Design Basics

Advanced Techniques

Build a Responsive Website

Responsive Design

Build a Responsive Website

Adaptive Design

Build a Responsive Website

Fluid Foundation

Build a Responsive Website

Introduction to Responsive Web Design

Build a Responsive Website

Introduction

HTML

Launching the Website

Build a Simple Website

Styling Content

Build a Simple Website

Creating a Website Structure

Build a Simple Website

Text Editors and HTML

Build a Simple Website

Website Basics

Build a Simple Website

Newbie