Achievement

Python Objects

Object-Oriented Python (retired)

Achievement

But Wait There's More!

Threads and Services

Achievement

Bound Services

Threads and Services

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Shopping List App

Python Basics (2015)

Achievement

Letter Game App

Python Basics (2015)

Achievement

Gems In Depth

Ruby Gems

Achievement

Ruby Gems

Ruby Gems

Achievement

Number Game App

Python Basics (2015)

Achievement

Logic in Python

Python Basics (2015)

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Interacting with Google+ APIs

Google Play Services

Achievement

Connecting to Play Services

Google Play Services

Achievement

Interacting with Your API

Google Play Services

Achievement

Adding Play Services to Your App

Google Play Services

Achievement

What to Test

Unit Testing in Java

Achievement

How To Test

Unit Testing in Java

Achievement

Why Test

Unit Testing in Java

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Ruby Standard Library: Part 2

Ruby Core and Standard Library

Achievement

Ruby Standard Library: Part 1

Ruby Core and Standard Library

Achievement

Ruby Core

Ruby Core and Standard Library

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Activity Transitions: Advanced Topics

Animations and Transitions

Achievement

Store Inventory Using Modules

Ruby Modules

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Include and Extend

Ruby Modules

Achievement

Ruby Core Modules

Ruby Modules

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Ruby Module Basics

Ruby Modules

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Local Notifications

Intents and Broadcast Receivers

Achievement

Broadcast Receivers

Intents and Broadcast Receivers

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Understanding Classes

Object-Oriented PHP Basics

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Implicit Intents and Intent Filters

Intents and Broadcast Receivers

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For All Intents and Purposes

Intents and Broadcast Receivers

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Python Data Types

Python Basics (2015)

Achievement

Python For Beginners

Python Basics (2015)

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PHP Includes

Build a Basic PHP Website (2018)

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Input and Output

Build an Address Book in Ruby

Achievement

Search

Build an Address Book in Ruby

Achievement

Ruby Class Design

Build an Address Book in Ruby

Achievement

Unit Testing

Testing in Android

Achievement

Blocks Practice

Ruby Blocks

Achievement

Working With Blocks

Ruby Blocks

Achievement

Ruby Blocks

Ruby Blocks

Achievement

Build a Simple Todo List Program

Ruby Booleans

Achievement

Ruby Booleans

Ruby Booleans

Achievement

UI Testing with Espresso

Testing in Android

Achievement

Unit Testing - Now Featuring Robolectric!

Testing in Android

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Build a Bank Account Class

Ruby Objects and Classes

Achievement

Ruby Variables and Methods

Ruby Objects and Classes

Achievement

Ruby Objects and Classes

Ruby Objects and Classes

Achievement

Combine and Minify Assets

Introduction to Front End Performance Optimization

Achievement

Optimize Assets

Introduction to Front End Performance Optimization

Achievement

Measuring Performance

Introduction to Front End Performance Optimization

Achievement

Planning for Performance

Introduction to Front End Performance Optimization

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Creating an SVG

SVG Basics

Achievement

Introduction to SVG

SVG Basics

Achievement

Build a Simple Contact List

Ruby Loops

Achievement

Ruby Iteration

Ruby Loops

Achievement

Ruby Loops

Ruby Loops

Achievement

Build a Grocery List Program

Ruby Collections

Achievement

Ruby Hashes

Ruby Collections

Achievement

Ruby Arrays

Ruby Collections

Achievement

Advanced Sass Concepts

Sass Basics (retired)

Achievement

Ruby Logical Operators

Ruby Operators and Control Structures

Achievement

Ruby Control Structures

Ruby Operators and Control Structures

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Building a Layout with Flexbox

CSS Flexbox Layout

Achievement

Flexbox Properties

CSS Flexbox Layout

Achievement

Understanding Flexbox

CSS Flexbox Layout

Achievement

Ruby Operators

Ruby Operators and Control Structures

Achievement

Ruby Methods

Ruby Basics (Retired)

Achievement

Ruby Numbers (Ruby Basics)

Ruby Basics (Retired)

Achievement

Ruby Strings (Ruby Basics)

Ruby Basics (Retired)

Achievement

How Ruby Works

Ruby Basics (Retired)

Achievement

Tablet Time

Android Fragments

Achievement

Ingredients and Directions

Android Fragments

Achievement

Managing Fragments

Android Fragments

Achievement

Introducing Fragments

Android Fragments

Achievement

Speeding up Workflow With Sass

Sass Basics (retired)

Achievement

Responsive Layouts with the Bootstrap Grid

Bootstrap 4 Basics (Retired)

Achievement

Getting to Know Bootstrap 4

Bootstrap 4 Basics (Retired)

Achievement

Positioning Page Content

CSS Layout Basics

Achievement

CSS Layout Project

CSS Layout Basics

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Page Layout with the Float Property

CSS Layout Basics

Achievement

Shared Element Transitions

Animations and Transitions

Achievement

Transitions Framework

Animations and Transitions

Achievement

Getting Started with Sass

Sass Basics (retired)

Achievement

Animation Basics

Animations and Transitions

Achievement

Introducing Services

Threads and Services

Achievement

Threads in Android

Threads and Services

Achievement

Migrating a SQLite Database

Android Data Persistence

Achievement

CRUD Operations with SQLite

Android Data Persistence

Achievement

Using SQLite for Structured Data

Android Data Persistence

Achievement

Adding a New Web Page

Introduction to HTML and CSS (2016)

Achievement

Key-Value Saving with SharedPreferences

Android Data Persistence

Achievement

File Storage

Android Data Persistence

Achievement

Make It Beautiful with CSS

Introduction to HTML and CSS (2016)

Achievement

Introduction to Data Persistence

Android Data Persistence

Achievement

HTML: The Structural Foundation of Web Pages and Applications

Introduction to HTML and CSS (2016)

Achievement

Getting Familiar with HTML and CSS

Introduction to HTML and CSS (2016)

Achievement

Workflows

Git Basics

Achievement

The Project

Android Activity Lifecycle

Achievement

Controlling Layout with CSS Display Modes

CSS Layout Basics

Achievement

Introducing SharedPreferences

Android Activity Lifecycle

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The Activity Lifecycle

Android Activity Lifecycle

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Getting Started with CSS Layout

CSS Layout Basics

Achievement

Getting Started with CSS

CSS Foundations

Achievement

Treehouse Club - CSS

Treehouse Club: CSS

Achievement

Managing Content in WordPress

WordPress Basics

Achievement

How to Install WordPress on Your Computer

How to Install WordPress on Your Computer

Achievement

Getting Started with WordPress

Getting Started with WordPress

Achievement

Prepare and Plan

C# Basics (Retired)

Achievement

Testing and Debugging

Build a Simple Android App

Achievement

Improving Our Code

Build a Simple Android App

Achievement

Basic Android Programming

Build a Simple Android App

Achievement

Creating the Screen Layout

Build a Simple Android App

Achievement

Improving Our Todo App

AngularJS Basics (1.x)

Achievement

Services in Angular

AngularJS Basics (1.x)

Achievement

Getting Started with Android

Build a Simple Android App

Achievement

Using Angular's Built-in Directives

AngularJS Basics (1.x)

Achievement

Controllers and Scope

AngularJS Basics (1.x)

Achievement

Getting Started with Angular

AngularJS Basics (1.x)

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Quiz Practice Project

Object-Oriented JavaScript (2015)

Achievement

Prototypal Inheritance

Object-Oriented JavaScript (2015)

Achievement

Introduction to Methods

Object-Oriented JavaScript (2015)

Achievement

Say Hello to Python

Python Basics (Retired)

Achievement

Joining Relational Data Between Tables in SQL

Database Foundations

Achievement

Manipulating Schema with SQL

Database Foundations

Achievement

Creating Tables and Manipulating Data with SQL

Database Foundations

Achievement

Reading Data from Databases with SQL

Database Foundations

Achievement

Introduction to Data, Databases and SQL

Database Foundations

Achievement

PHP Inheritance & Interfaces

Object-Oriented PHP Basics (Retired)

Achievement

PHP Properties & Methods

Object-Oriented PHP Basics (Retired)

Achievement

PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

Achievement

Interacting With Data From the Web

Build a Weather App with Swift

Achievement

Simple Data Structures

Build a Weather App with Swift

Achievement

Closures in iOS

Swift Closures

Achievement

Closures and Closure Expressions

Swift Closures

Achievement

Functions as First Class Citizens

Swift Closures

Achievement

Refactoring Our Code (Swift)

Build a Playlist Browser with Swift

Achievement

Building the Master and Detail Views (Swift)

Build a Playlist Browser with Swift

Achievement

Building a Music Library and Playlists (Swift)

Build a Playlist Browser with Swift

Achievement

Using a Navigation Controller With Segues (Swift)

Build a Playlist Browser with Swift

Achievement

Working With Multiple View Controllers (Swift)

Build a Playlist Browser with Swift

Achievement

Deploying to a Device

Build a Simple iPhone App with Swift

Achievement

Debugging Our App

Build a Simple iPhone App with Swift

Achievement

Improving Our User Interface

Build a Simple iPhone App with Swift

Achievement

Using a Data Model

Build a Simple iPhone App with Swift

Achievement

Views and View Controllers

Build a Simple iPhone App with Swift

Achievement

Getting Started with Xcode

Build a Simple iPhone App with Swift

Achievement

Swift Value vs Reference Types

Object-Oriented Swift

Achievement

Swift Properties

Object-Oriented Swift

Achievement

Swift Inheritance

Object-Oriented Swift

Achievement

Swift Classes and Objects

Object-Oriented Swift

Achievement

Swift Structs and their Methods

Swift Enums and Structs

Achievement

Swift Structs

Swift Enums and Structs

Achievement

Swift Enums and their Methods

Swift Enums and Structs

Achievement

Swift Enums

Swift Enums and Structs

Achievement

Swift Optionals

Swift Functions and Optionals

Achievement

Swift Parameters and Tuples

Swift Functions and Optionals

Achievement

Swift Functions

Swift Functions and Optionals

Achievement

Control Flow

Swift Basics (retired)

Achievement

Collections

Swift Basics (retired)

Achievement

Operators

Swift Basics (retired)

Achievement

Types

Swift Basics (retired)

Achievement

Variables and Constants

Swift Basics (retired)

Achievement

PHP Returns & Closures

PHP Functions

Achievement

PHP Functions Basics

PHP Functions

Achievement

PHP Loops

PHP Basics (Retired)

Achievement

PHP Conditionals

PHP Basics (Retired)

Achievement

PHP Datatypes

PHP Basics (Retired)

Achievement

PHP Data & Structure

PHP Basics (Retired)

Achievement

PHP Getting Started

PHP Basics (Retired)

Achievement

JavaScript Functions

JavaScript Basics (Retired)

Achievement

JavaScript Conditional Statements

JavaScript Basics (Retired)

Achievement

JavaScript Numbers

JavaScript Basics (Retired)

Achievement

JavaScript Variables

JavaScript Basics (Retired)

Achievement

Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Achievement

Working With Remote Repositories

Git Basics

Achievement

Merging

Git Basics

Achievement

Branches

Git Basics

Achievement

Getting Started With Git

Git Basics

Achievement

Why Version Control Matters

Git Basics

Achievement

Installing Programs

Console Foundations

Achievement

Environment and Redirection

Console Foundations

Achievement

Console Processes

Console Foundations

Achievement

Console Users and Permission

Console Foundations

Achievement

Moving Around in the Console

Console Foundations

Achievement

AJAX and APIs

AJAX Basics (retiring)

Achievement

jQuery and AJAX

AJAX Basics (retiring)

Achievement

Programming AJAX

AJAX Basics (retiring)

Achievement

Introduction to Brand Identity

Brand Identity Basics

Achievement

The Logo Sprint

Logo Design Basics

Achievement

Logo Design 101

Logo Design Basics

Achievement

Design Foundations Final

Design Foundations

Achievement

Understanding Aesthetics

Design Foundations

Achievement

Positioning Schemes

CSS Layout Techniques

Achievement

Responsive Patterns

Responsive Layouts

Achievement

Responsive Theory

Responsive Layouts

Achievement

Media Basics

HTML Video and Audio (Retired)

Achievement

Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achievement

Display Modes

CSS Layout Techniques

Achievement

Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achievement

JavaScript and the DOM

Interactive Web Pages with JavaScript

Achievement

Structuring Tables

HTML Tables

Achievement

Creating a Simple Drawing Application

jQuery Basics (2014)

Achievement

Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Achievement

Creating a Password Confirmation Form

jQuery Basics (2014)

Achievement

Table Basics

HTML Tables

Achievement

Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achievement

Creating a Simple Lightbox

jQuery Basics (2014)

Achievement

Creating a Spoiler Revealer

jQuery Basics (2014)

Achievement

Introduction to jQuery

jQuery Basics (2014)

Achievement

JavaScript Objects

JavaScript Loops, Arrays and Objects

Achievement

JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achievement

JavaScript Loops

JavaScript Loops, Arrays and Objects

Achievement

Choosing Options

HTML Forms

Achievement

Organizing Forms

HTML Forms

Achievement

Form Basics

HTML Forms

Achievement

Introducing JavaScript

JavaScript Basics (Retired)

Achievement

Fundamental Concepts

CSS Basics (2014)

Achievement

Designing with the Latest Features

CSS Basics (2014)

Achievement

Basic Layout

CSS Basics (2014)

Achievement

The Box Model

CSS Basics (2014)

Achievement

Acting on List Item Taps

Android Lists and Adapters (2015)

Achievement

Understanding Values and Units

CSS Basics (2014)

Achievement

Lists with RecyclerViews

Android Lists and Adapters (2015)

Achievement

Basic Selectors

CSS Basics (2014)

Achievement

Using Parcelable Data

Android Lists and Adapters (2015)

Achievement

Custom ListViews

Android Lists and Adapters (2015)

Achievement

Getting Started with CSS

CSS Basics (2014)

Achievement

Standard ListViews

Android Lists and Adapters (2015)

Achievement

Debugging HTML and CSS Problems

How to Make a Website

Achievement

Updating the Data Model

Android Lists and Adapters (2015)

Achievement

Sharing a Website

How to Make a Website

Achievement

Responsive Web Design and Testing

How to Make a Website

Achievement

Adding Pages to a Website

How to Make a Website

Achievement

Styling Web Pages and Navigation

How to Make a Website

Achievement

Hooking up the Model to the View

Build a Weather App (2015)

Achievement

Customizing Colors and Fonts

How to Make a Website

Achievement

CSS: Cascading Style Sheets

How to Make a Website

Achievement

Building the Weather UI

Build a Weather App (2015)

Achievement

Creating HTML Content

How to Make a Website

Achievement

HTML First

How to Make a Website

Achievement

Beginning HTML and CSS

How to Make a Website

Achievement

Working with JSON

Build a Weather App (2015)

Achievement

Concurrency and Error Handling

Build a Weather App (2015)

Achievement

WordPress Plugin Best Practices

How to Make a Website with WordPress

Achievement

Widgets and Custom Menus

How to Make a Website with WordPress

Achievement

Custom Post Types and Fields

How to Make a Website with WordPress

Achievement

Customizing WordPress Themes

How to Make a Website with WordPress

Achievement

Networking

Build a Weather App (2015)

Achievement

Exploring an API

Build a Weather App (2015)

Achievement

WordPress Themes

How to Make a Website with WordPress

Achievement

Installing Wordpress

How to Make a Website with WordPress

Achievement

Finishing the User Interface

Build an Interactive Story App (Retired)

Achievement

The Model-View-Controller Pattern

Build an Interactive Story App (Retired)

Achievement

Intents and Multiple Activities

Build an Interactive Story App (Retired)

Achievement

User Input

Build an Interactive Story App (Retired)

Achievement

Testing and Debugging

Build a Simple Android App (2014)

Achievement

Improving Our Code

Build a Simple Android App (2014)

Achievement

Creating Content

How to Build Your Business Through Blogging

Achievement

Introduction to Blogging

How to Build Your Business Through Blogging

Achievement

Coding the Fun Facts

Build a Simple Android App (2014)

Achievement

Basic Android Programming

Build a Simple Android App (2014)

Achievement

Creating the Initial Screen Layout

Build a Simple Android App (2014)

Achievement

Getting Started with Android

Build a Simple Android App (2014)

Achievement

Newbie