Achievement

Going Further with Grid Layout

CSS Grid Layout

Achievement

Flexible Sized Grids

CSS Grid Layout

Achievement

Introducing Grid Layout

CSS Grid Layout

Achievement

Daily Exercise Program

PHP Basics

Achievement

Unit Converter

PHP Basics

Achievement

Getting to Know PHP

PHP Basics

Achievement

Setting up with Create React App

React by Example

Achievement

Component Lifecycle

React Basics (retired)

Achievement

Designing Dataflow

React Basics (retired)

Achievement

Add Reusable Logic to Your Sass

Sass Basics

Achievement

Write Smart and Efficient CSS with Sass

Sass Basics

Achievement

Improve Your Workflow with Sass

Sass Basics

Achievement

Getting Started with Sass

Sass Basics

Achievement

Data Reader

C# Streams and Data Processing

Achievement

Abstraction

Intermediate C#

Achievement

System.Object

Intermediate C#

Achievement

Polymorphism

Intermediate C#

Achievement

Loops and Final Touches

C# Objects

Achievement

Encapsulation with Properties

C# Objects

Achievement

Services in Angular

Angular Basics

Achievement

Angular Components

Angular Basics

Achievement

Setting Up an Angular Application

Angular Basics

Achievement

Styling and Scaling Data

D3.js

Achievement

Data Binding with D3

D3.js

Achievement

Selections with D3

D3.js

Achievement

Stateful Components

React Basics (retired)

Achievement

Thinking in Components

React Basics (retired)

Achievement

First Steps in React

React Basics (retired)

Achievement

Encapsulation and Arrays

C# Objects

Achievement

Inheritance

C# Objects

Achievement

Methods

C# Objects

Achievement

Object-Oriented Programming

C# Objects

Achievement

Perfect

C# Basics (Retired)

Achievement

Installing WordPress Locally

Installing WordPress Locally

Achievement

What Is WordPress?

What Is WordPress?

Achievement

Perform

C# Basics (Retired)

Achievement

Console I/O

C# Basics (Retired)

Achievement

Next Steps

JavaScript Unit Testing

Achievement

Improving Our Tests

JavaScript Unit Testing

Achievement

Behavior Driven Development with Mocha & Chai

JavaScript Unit Testing

Achievement

Completing and Testing the API

Build a REST API With Express

Achievement

Communicating with Mongo Through Mongoose

Build a REST API With Express

Achievement

Modeling Data for the API

Build a REST API With Express

Achievement

Building API Routes in Express

Build a REST API With Express

Achievement

Building a REST Service

Build a REST API With Express

Achievement

Express Middleware

User Authentication With Express and Mongo

Achievement

Sessions and Cookies

User Authentication With Express and Mongo

Achievement

User Registration and Login

User Authentication With Express and Mongo

Achievement

Prepare and Plan

C# Basics (Retired)

Achievement

What is Authentication?

User Authentication With Express and Mongo

Achievement

Go Further With Mongo

Mongo Basics

Achievement

Working With Collections

Mongo Basics

Achievement

Understanding MongoDB

Mongo Basics

Achievement

Getting Started with MongoDB

Mongo Basics

Achievement

Serving Static Files in Express

Express Basics

Achievement

Applying Express Knowledge

Express Basics

Achievement

Middleware

Express Basics

Achievement

Deeper into Routing with Express

Express Basics

Achievement

Go Concurrency Overview

Go Language Overview

Achievement

Go Custom Types Overview

Go Language Overview

Achievement

Go Data Structures Overview

Go Language Overview

Achievement

Go Flow Control Overview

Go Language Overview

Achievement

Go Syntax Overview

Go Language Overview

Achievement

Covering Your Bases

Python Testing

Achievement

Be Assertive!

Python Testing

Achievement

What Is Testing?

Python Testing

Achievement

Gettin' CRUD-y With It

Using Databases in Python

Achievement

Our Diary App

Using Databases in Python

Achievement

Meet Peewee

Using Databases in Python

Achievement

Python Regular Expressions

Regular Expressions in Python

Achievement

Timezones

Dates and Times in Python (2014)

Achievement

Math Quiz App

Dates and Times in Python (2014)

Achievement

Meet Selenium

Introduction to Selenium

Achievement

Big Data at Netflix

Introduction to Big Data

Achievement

Where and How Big Data Is Used

Introduction to Big Data

Achievement

What is Big Data

Introduction to Big Data

Achievement

Dates and Times

Dates and Times in Python (2014)

Achievement

Buggy Logs

Write Better Python

Achievement

Cleaner Code

Write Better Python

Achievement

GET and POST Requests in a Browser

HTTP Basics

Achievement

Introduction to HTTP

HTTP Basics

Achievement

Dice Roller

Object-Oriented Python

Achievement

Python: Advanced Objects

Object-Oriented Python

Achievement

Python: Inheritance

Object-Oriented Python

Achievement

Python: Instant Objects

Object-Oriented Python

Achievement

Dungeon Game 2

Python Collections (2016, retired 2019)

Achievement

Python Sets

Python Collections (2016, retired 2019)

Achievement

Python Tuples

Python Collections (2016, retired 2019)

Achievement

Introducing Unit Testing

JavaScript Unit Testing

Achievement

Using Templates with Express

Express Basics

Achievement

Getting Started with Express

Express Basics

Achievement

Getting Started with Android

Build a Simple Android App with Java

Achievement

Security: Solutions

Introduction to Data Security

Achievement

Security: Concerns

Introduction to Data Security

Achievement

Fundamental Concepts

CSS Basics (2014)

Achievement

Designing with the Latest Features

CSS Basics (2014)

Achievement

Python Dictionaries

Python Collections (2016, retired 2019)

Achievement

Python Slices

Python Collections (2016, retired 2019)

Achievement

Python Lists

Python Collections (2016, retired 2019)

Achievement

Basic Layout

CSS Basics (2014)

Achievement

The Box Model

CSS Basics (2014)

Achievement

Improving your Gulp Workflow

Gulp Basics

Achievement

Compile Sass with Gulp

Gulp Basics

Achievement

Gulp your JavaScript workflow!

Gulp Basics

Achievement

Welcome to Gulp.js

Gulp Basics

Achievement

Getting the REST You Need

REST API Basics

Achievement

Letter Game App

Python Basics (2015)

Achievement

Number Game App

Python Basics (2015)

Achievement

Shopping List App

Python Basics (2015)

Achievement

Logic in Python

Python Basics (2015)

Achievement

Finishing the Game

Introducing JavaScript

Achievement

Introducing JavaScript

Introducing JavaScript

Achievement

Python Data Types

Python Basics (2015)

Achievement

Python For Beginners

Python Basics (2015)

Achievement

How it Works

Local Development Environments

Achievement

Understanding Values and Units

CSS Basics (2014)

Achievement

Basic Selectors

CSS Basics (2014)

Achievement

Getting Started with CSS

CSS Basics (2014)

Achievement

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

Build a Simple Contact List

Ruby Loops

Achievement

Ruby Iteration

Ruby Loops

Achievement

MASH JavaScript

Treehouse Club - MASH

Achievement

MASH CSS

Treehouse Club - MASH

Achievement

MASH HTML

Treehouse Club - MASH

Achievement

Treehouse Club - JavaScript

Treehouse Club: JavaScript

Achievement

Treehouse Club - CSS

Treehouse Club: CSS

Achievement

Efficiency!

Java Data Structures

Achievement

Welcome to the Treehouse Club

Treehouse Club: HTML

Achievement

WWW

How the Web Works

Achievement

The Internet

How the Internet Works

Achievement

Computer Languages

Computer Basics

Achievement

Computer Basics

Computer Basics

Achievement

Going Further with HTML

HTML Basics

Achievement

Images, Text and Links

HTML Basics

Achievement

Structuring Your Content

HTML Basics

Achievement

Getting Started With HTML

HTML Basics

Achievement

Exploring the Java Collections Framework

Java Data Structures

Achievement

Organizing Data

Java Data Structures

Achievement

Callbacks and the DOM

Callback Functions in JavaScript

Achievement

Callbacks with Timers

Callback Functions in JavaScript

Achievement

Introduction to Callback Functions

Callback Functions in JavaScript

Achievement

Updating and Uninstalling Packages with npm

npm Basics (retiring)

Achievement

Getting There

Java Data Structures

Achievement

Delivering the MVP

Java Objects

Achievement

Creating the MVP

Java Objects

Achievement

Harnessing the Power of Objects

Java Objects

Achievement

Meet Objects

Java Objects

Achievement

Perfecting the Prototype

Java Basics

Achievement

Using your New Tools

Java Basics

Achievement

Installing Packages with npm

npm Basics (retiring)

Achievement

What is npm?

npm Basics (retiring)

Achievement

HTTP Methods and Headers

Build a Simple Dynamic Site with Node.js

Achievement

Creating a Basic Template Engine in Node.js

Build a Simple Dynamic Site with Node.js

Achievement

Handling Routes in Node.js

Build a Simple Dynamic Site with Node.js

Achievement

Creating a Simple Server in Node.js

Build a Simple Dynamic Site with Node.js

Achievement

Creating a Command Line Weather Application

Node.js Basics 2017

Achievement

Handling Errors in Node

Node.js Basics 2017

Achievement

Getting Data From an API With Node

Node.js Basics 2017

Achievement

Introduction to Node.js

Node.js Basics 2017

Achievement

Classes

Introducing ES2015

Achievement

Objects and New Collection Types

Introducing ES2015

Achievement

The Cooler Parts of ES2015

Introducing ES2015

Achievement

ES2015 Basics

Introducing ES2015

Achievement

Using a jQuery Carousel

Using jQuery Plugins

Achievement

Add a Sticky Navigation Bar

Using jQuery Plugins

Achievement

Introducing jQuery Plugins

Using jQuery Plugins

Achievement

Improving the Application Code

DOM Scripting By Example

Achievement

Editing and Filtering Names

DOM Scripting By Example

Achievement

Adding and Removing Names

DOM Scripting By Example

Achievement

Quiz Practice Project

Object-Oriented JavaScript (2015)

Achievement

Prototypal Inheritance

Object-Oriented JavaScript (2015)

Achievement

Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achievement

Introduction to Methods

Object-Oriented JavaScript (2015)

Achievement

AJAX and APIs

AJAX Basics (retiring)

Achievement

jQuery and AJAX

AJAX Basics (retiring)

Achievement

Programming AJAX

AJAX Basics (retiring)

Achievement

AJAX Concepts

AJAX Basics (retiring)

Achievement

DOM Traversal

Introduction to jQuery

Achievement

DOM Manipulation

Introduction to jQuery

Achievement

Events

Introduction to jQuery

Achievement

Hello, jQuery!

Introduction to jQuery

Achievement

Traversing the DOM

JavaScript and the DOM (Retiring)

Achievement

Responding to User Interaction

Interacting with the DOM

Achievement

Ruby Loops

Ruby Loops

Achievement

Getting Started with Java

Java Basics

Achievement

Build a Grocery List Program

Ruby Collections

Achievement

Ruby Hashes

Ruby Collections

Achievement

Ruby Arrays

Ruby Collections

Achievement

Ruby Logical Operators

Ruby Operators and Control Structures

Achievement

Ruby Control Structures

Ruby Operators and Control Structures

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

Adding a New Web Page

Introduction to HTML and CSS (2016)

Achievement

Make It Beautiful with CSS

Introduction to HTML and CSS (2016)

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

Making Changes to the DOM

JavaScript and the DOM (Retiring)

Achievement

Getting a Handle on the DOM

JavaScript and the DOM (Retiring)

Achievement

The Browser Environment

JavaScript and the DOM (Retiring)

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

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

Introducing JavaScript

JavaScript Basics (Retired)

Achievement

Newbie