Achievement

Types and Branching

Python Basics

Achievement

Meet Python

Python Basics

Achievement

User Messages in Spring

Spring with Hibernate

Achievement

Getting Started with CRUD in Spring + Hibernate

Spring with Hibernate

Achievement

Data-Driven Application Design

Spring with Hibernate

Achievement

Integrating Hibernate with Spring

Spring with Hibernate

Achievement

Using the MVC Architecture with Spring

Spring Basics

Achievement

Modeling, Storing, and Presenting Data with Spring

Spring Basics

Achievement

Gotchas and Wins

Java Arrays

Achievement

Iteration

Java Arrays

Achievement

Creation

Java Arrays

Achievement

Writing Your Own Java Annotation

Java Annotations

Achievement

Using Java's Built-In Annotations

Java Annotations

Achievement

Creating Spring Controllers and Thymeleaf Views

Spring Basics

Achievement

Spring Components and Configuring Our App

Spring Basics

Achievement

Setting Up Your Local Environment for Spring Development

Spring Basics

Achievement

Building API Routes in Express

Build a REST API With Express

Achievement

Finishing the Game

Introducing JavaScript

Achievement

Introducing JavaScript

Introducing JavaScript

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

What is Authentication?

User Authentication With Express and Mongo

Achievement

DOM Traversal

Introduction to jQuery

Achievement

DOM Manipulation

Introduction to jQuery

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

Angular Basic Forms

Angular Basics

Achievement

Services in Angular

Angular Basics

Achievement

Angular Components

Angular Basics

Achievement

Setting Up an Angular Application

Angular Basics

Achievement

Python: Advanced Objects

Object-Oriented Python

Achievement

Python: Inheritance

Object-Oriented Python

Achievement

Python: Instant Objects

Object-Oriented Python

Achievement

Gettin' CRUD-y With It

Using Databases in Python

Achievement

Our Diary App

Using Databases in Python

Achievement

Middleware

Express Basics

Achievement

Deeper into Routing with Express

Express Basics

Achievement

Using Templates with Express

Express Basics

Achievement

Getting Started with Express

Express Basics

Achievement

Views

ASP.NET MVC Basics

Achievement

Controllers

ASP.NET MVC Basics

Achievement

Getting the REST You Need

REST API Basics

Achievement

Project Setup

ASP.NET MVC Basics

Achievement

GET and POST Requests in a Browser

HTTP Basics

Achievement

Introduction to HTTP

HTTP Basics

Achievement

Introduction to Design

Design Foundations

Achievement

System.Object

Intermediate C#

Achievement

Polymorphism

Intermediate C#

Achievement

Setting Your Course

Careers Foundations

Achievement

Careers in the Tech Industry

Careers Foundations

Achievement

Self-Assessment

Careers Foundations

Achievement

Loops and Final Touches

C# Objects

Achievement

Encapsulation with Properties

C# Objects

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

Perform

C# Basics (Retired)

Achievement

Console I/O

C# Basics (Retired)

Achievement

Prepare and Plan

C# Basics (Retired)

Achievement

Graphical User Interfaces

Build a JavaFX Application

Achievement

Exploring the Java Collections Framework

Java Data Structures

Achievement

Developing Express Apps Like a Boss

Express Basics (2015)

Achievement

Getting Started with Express

Express Basics (2015)

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

Workflows

Git Basics

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

Updating and Uninstalling Packages with npm

npm Basics (retiring)

Achievement

Installing Packages with npm

npm Basics (retiring)

Achievement

What is npm?

npm Basics (retiring)

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

Designing Dataflow

React Basics (retired)

Achievement

Stateful Components

React Basics (retired)

Achievement

Thinking in Components

React Basics (retired)

Achievement

First Steps in React

React Basics (retired)

Achievement

Events

Introduction to jQuery

Achievement

Hello, jQuery!

Introduction to jQuery

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

Traversing the DOM

JavaScript and the DOM (Retiring)

Achievement

Responding to User Interaction

Interacting with the DOM

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

PHP Includes

Build a Basic PHP Website (2018)

Achievement

PHP Internal Functions

PHP Functions

Achievement

PHP Returns & Closures

PHP Functions

Achievement

PHP Functions Basics

PHP Functions

Achievement

Meet Peewee

Using Databases in Python

Achievement

Timezones

Dates and Times in Python (2014)

Achievement

Math Quiz App

Dates and Times in Python (2014)

Achievement

Dates and Times

Dates and Times in Python (2014)

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

Python Dictionaries

Python Collections (2016, retired 2019)

Achievement

Subqueries

Querying Relational Databases

Achievement

Set Operations

Querying Relational Databases

Achievement

Joining Table Data with SQL

Querying Relational Databases

Achievement

Table Relationships

Querying Relational Databases

Achievement

Database Keys

Querying Relational Databases

Achievement

Database Normalization

Querying Relational Databases

Achievement

Date and Time Functions

Reporting with SQL

Achievement

Aggregate and Numeric Functions

Reporting with SQL

Achievement

Working with Text

Reporting with SQL

Achievement

Ordering, Limiting and Paging Results

Reporting with SQL

Achievement

Handling Errors When Manipulating Data

Modifying Data with SQL

Achievement

Deleting Data from a Database

Modifying Data with SQL

Achievement

Updating Data in a Database

Modifying Data with SQL

Achievement

Adding Data to a Database

Modifying Data with SQL

Achievement

Finding the Data You Want

SQL Basics

Achievement

Getting Data from a Database

SQL Basics

Achievement

Data, Databases and SQL

SQL Basics

Achievement

Python Slices

Python Collections (2016, retired 2019)

Achievement

Python Lists

Python Collections (2016, retired 2019)

Achievement

Organizing Data

Java Data Structures

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

Getting Started with Java

Java Basics

Achievement

Hack-n-Slash

Object-Oriented Python (retired)

Achievement

Python Inheritance

Object-Oriented Python (retired)

Achievement

Python Objects

Object-Oriented Python (retired)

Achievement

Dungeon Game

Python Collections (Retired)

Achievement

Tuples

Python Collections (Retired)

Achievement

Dictionaries

Python Collections (Retired)

Achievement

Slices

Python Collections (Retired)

Achievement

Lists Redux

Python Collections (Retired)

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

Python Data Types

Python Basics (2015)

Achievement

Python For Beginners

Python Basics (2015)

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

Chrome DevTools Basics

Website Optimization

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

Building a Command Line Application

Node.js Basics (2014)

Achievement

Introduction to Node.js

Node.js Basics (2014)

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

Introduction

Accessibility

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

MASH JavaScript

Treehouse Club - MASH

Achievement

MASH CSS

Treehouse Club - MASH

Achievement

MASH HTML

Treehouse Club - MASH

Achievement

jQuery and AJAX

AJAX Basics (retiring)

Achievement

Programming AJAX

AJAX Basics (retiring)

Achievement

AJAX Concepts

AJAX Basics (retiring)

Achievement

Custom Media Players

HTML Video and Audio (Retired)

Achievement

Captioning Video

HTML Video and Audio (Retired)

Achievement

Media Basics

HTML Video and Audio (Retired)

Achievement

Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achievement

Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achievement

Treehouse Club - JavaScript

Treehouse Club: JavaScript

Achievement

Treehouse Club - CSS

Treehouse Club: CSS

Achievement

JavaScript and the DOM

Interactive Web Pages with JavaScript

Achievement

Structuring Tables

HTML Tables

Achievement

Table Basics

HTML Tables

Achievement

Building Forms with Bootstrap

Bootstrap 4 Basics (Retired)

Achievement

Using Bootstrap Components

Bootstrap 4 Basics (Retired)

Achievement

Responsive Layouts with the Bootstrap Grid

Bootstrap 4 Basics (Retired)

Achievement

Getting to Know Bootstrap 4

Bootstrap 4 Basics (Retired)

Achievement

Creating a Simple Drawing Application

jQuery Basics (2014)

Achievement

WWW

How the Web Works

Achievement

Creating a Password Confirmation Form

jQuery Basics (2014)

Achievement

Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achievement

Creating a Simple Lightbox

jQuery Basics (2014)

Achievement

Welcome to the Treehouse Club

Treehouse Club: HTML

Achievement

The Internet

How the Internet Works

Achievement

Creating a Spoiler Revealer

jQuery Basics (2014)

Achievement

Introduction to jQuery

jQuery Basics (2014)

Achievement

Advanced Selectors

CSS Selectors

Achievement

Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Achievement

Computer Languages

Computer Basics

Achievement

Computer Basics

Computer Basics

Achievement

Selectors - Beyond the Basics

CSS Selectors

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

Building a Layout with Flexbox

CSS Flexbox Layout

Achievement

Flexbox Properties

CSS Flexbox Layout

Achievement

Understanding Flexbox

CSS Flexbox Layout

Achievement

Responsive Patterns

Responsive Layouts

Achievement

Media Queries

Responsive Layouts

Achievement

Responsive Theory

Responsive Layouts

Achievement

Positioning Page Content

CSS Layout Basics

Achievement

CSS Layout Project

CSS Layout Basics

Achievement

Page Layout with the Float Property

CSS Layout Basics

Achievement

Unit Converter

PHP Basics

Achievement

Getting to Know PHP

PHP Basics

Achievement

Controlling Layout with CSS Display Modes

CSS Layout Basics

Achievement

Getting Started with Android

Build a Simple Android App

Achievement

Getting Started with CSS Layout

CSS Layout Basics

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

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

Understanding Values and Units

CSS Basics (2014)

Achievement

Basic Selectors

CSS Basics (2014)

Achievement

Getting Started with CSS

CSS Basics (2014)

Achievement

Organizing Forms

HTML Forms

Achievement

Form Basics

HTML Forms

Achievement

Debugging HTML and CSS Problems

How to Make a Website

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

Customizing Colors and Fonts

How to Make a Website

Achievement

CSS: Cascading Style Sheets

How to Make a Website

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

Newbie