Achievement

Buggy Logs

Write Better Python

Achievement

Cleaner Code

Write Better 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

Creating a Memory Game

Basic Object-Oriented Python

Achievement

Emulating Built-ins

Basic Object-Oriented Python

Achievement

Welcome to OOP

Basic Object-Oriented Python

Achievement

Iterating and Packing with Dictionaries

Introducing Dictionaries

Achievement

Introducing Dictionaries

Introducing Dictionaries

Achievement

Sequence Operations

Python Sequences

Achievement

Sequence Iterations

Python Sequences

Achievement

Packing and Unpacking

Functions, Packing, and Unpacking

Achievement

Getting Info In and Out of Functions

Functions, Packing, and Unpacking

Achievement

Introduction to Functions

Functions, Packing, and Unpacking

Achievement

Getting to Know Tuples

Introducing Tuples

Achievement

Build an Application

Introducing Lists

Achievement

Meet Lists

Introducing Lists

Achievement

Using Lists

Introducing Lists

Achievement

Meet Python

Python Basics

Achievement

Types and Branching

Python Basics

Achievement

Functions and Looping

Python Basics

Achievement

All Together Now

Python Basics

Achievement

Character Builder

Flask Basics

Achievement

Flask Templates

Flask Basics

Achievement

Welcome to Flask

Flask Basics

Achievement

GET and POST Requests in a Browser

HTTP Basics

Achievement

Introduction to HTTP

HTTP Basics

Achievement

File Uploads and Entity Updates in Spring + Hibernate

Spring with Hibernate

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

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

Bells and Whistles

Intro to Java Web Development with Spark

Achievement

Diving into Web Development

Intro to Java Web Development with Spark

Achievement

Persisting Data with Hibernate

Hibernate Basics

Achievement

Getting Started with Hibernate

Hibernate Basics

Achievement

Data Persistence & ORMs

Hibernate Basics

Achievement

Writing Your Own Java Annotation

Java Annotations

Achievement

Using Java's Built-In Annotations

Java Annotations

Achievement

Complex Data Structures

Object-Oriented Swift

Achievement

Adding Power to Functions

Functions in Swift

Achievement

Functions in Swift

Functions in Swift

Achievement

Control Flow With Conditional Statements

Swift Collections and Control Flow

Achievement

Control Flow With Loops

Swift Collections and Control Flow

Achievement

Dictionaries in Swift

Swift Collections and Control Flow

Achievement

Introduction to Collections

Swift Collections and Control Flow

Achievement

Swift Operators

Swift Basics

Achievement

Swift Types

Swift Basics

Achievement

An Introduction to Swift Programming

Swift Basics

Achievement

Testing and Debugging

Build a Simple Android App with Kotlin

Achievement

Improving Our Code

Build a Simple Android App with Kotlin

Achievement

Basic Android Programming

Build a Simple Android App with Kotlin

Achievement

Creating the Screen Layout

Build a Simple Android App with Kotlin

Achievement

Getting Started with Android

Build a Simple Android App with Kotlin

Achievement

Adding the UI

Kotlin and Anko

Achievement

Learning Anko

Kotlin and Anko

Achievement

Is This Thing On?

Kotlin for Java Developers

Achievement

Putting It All Together

Kotlin for Java Developers

Achievement

Modelling Solitaire

Kotlin for Java Developers

Achievement

Hello Kotlin!

Kotlin for Java Developers

Achievement

UI Testing with Espresso

Testing in Android

Achievement

Unit Testing - Now Featuring Robolectric!

Testing in Android

Achievement

Unit Testing

Testing in Android

Achievement

What to Test

Unit Testing in Java

Achievement

How To Test

Unit Testing in Java

Achievement

Why Test

Unit Testing in Java

Achievement

Local Notifications

Intents and Broadcast Receivers

Achievement

Broadcast Receivers

Intents and Broadcast Receivers

Achievement

Implicit Intents and Intent Filters

Intents and Broadcast Receivers

Achievement

Java Lists

Java Lists

Achievement

For All Intents and Purposes

Intents and Broadcast Receivers

Achievement

But Wait There's More!

Threads and Services

Achievement

Bound Services

Threads and Services

Achievement

Introducing Services

Threads and Services

Achievement

Threads in Android

Threads and Services

Achievement

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

GitHub and Other Remote Repositories

Introduction to Git

Achievement

Managing Committed Files

Introduction to Git

Achievement

First Commits

Introduction to Git

Achievement

Writing a Classifier

Machine Learning Basics

Achievement

Machine Learning Vocabulary

Machine Learning Basics

Achievement

Introduction to Machine Learning

Machine Learning Basics

Achievement

Merge Sort and Linked Lists

Introduction to Data Structures

Achievement

The Merge Sort Algorithm

Introduction to Data Structures

Achievement

Building a Linked List

Introduction to Data Structures

Achievement

Exploring Arrays

Introduction to Data Structures

Achievement

Searching Names

Algorithms: Sorting and Searching

Achievement

Sorting Algorithms

Algorithms: Sorting and Searching

Achievement

Publishing on Google Play

Publish an Android App

Achievement

Recursion and Space Complexity

Introduction to Algorithms

Achievement

Algorithms in Code

Introduction to Algorithms

Achievement

Time Complexity

Introduction to Algorithms

Achievement

Playing a Counting Game

Introduction to Algorithms

Achievement

Tablet Time

Android Fragments

Achievement

Ingredients and Directions

Android Fragments

Achievement

Managing Fragments

Android Fragments

Achievement

Introducing Fragments

Android Fragments

Achievement

Java Maps

Java Maps

Achievement

Activity Transitions: Advanced Topics

Animations and Transitions

Achievement

Shared Element Transitions

Animations and Transitions

Achievement

Transitions Framework

Animations and Transitions

Achievement

Animation Basics

Animations and Transitions

Achievement

The Project

Android Activity Lifecycle

Achievement

Connect the Data

Android Lists and Adapters

Achievement

Adapters and ViewHolders

Android Lists and Adapters

Achievement

Displaying Lists of Data

Android Lists and Adapters

Achievement

Updating the Data Model

Android Lists and Adapters

Achievement

Introducing SharedPreferences

Android Activity Lifecycle

Achievement

The Activity Lifecycle

Android Activity Lifecycle

Achievement

Hooking Up the Model to the View

Build a Weather App

Achievement

Building the Weather UI

Build a Weather App

Achievement

Working with JSON

Build a Weather App

Achievement

Concurrency and Error Handling

Build a Weather App

Achievement

Event Planning

Build a JavaFX Application

Achievement

Build a Pomodoro App

Build a JavaFX Application

Achievement

Scrum Artifacts

Scrum Basics

Achievement

Scrum Events

Scrum Basics

Achievement

Introducing Scrum

Scrum Basics

Achievement

What is Agile?

Scrum Basics

Achievement

Design a Better App

Build a JavaFX Application

Achievement

Graphical User Interfaces

Build a JavaFX Application

Achievement

Advanced Tooling

Local Development Environments

Achievement

IDE Exploration

Local Development Environments

Achievement

How it Works

Local Development Environments

Achievement

Efficiency!

Java Data Structures

Achievement

Exploring the Java Collections Framework

Java Data Structures

Achievement

Organizing Data

Java Data Structures

Achievement

Getting There

Java Data Structures

Achievement

Gotchas and Wins

Java Arrays

Achievement

Iteration

Java Arrays

Achievement

Creation

Java Arrays

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

Networking

Build a Weather App

Achievement

Exploring an API

Build a Weather App

Achievement

Perfecting the Prototype

Java Basics

Achievement

Using your New Tools

Java Basics

Achievement

Getting Started with Java

Java Basics

Achievement

The Rest of the Story

Build an Interactive Story App

Achievement

Finishing the User Interface

Build an Interactive Story App

Achievement

The Model-View-Presenter Pattern

Build an Interactive Story App

Achievement

Intents and Multiple Activities

Build an Interactive Story App

Achievement

Themes and Compatibility

Styles and Themes in Android

Achievement

Using Styles in Layouts

Styles and Themes in Android

Achievement

Tuning the User Interface

Build an Interactive Story App

Achievement

User Input in Android

Build an Interactive Story App

Achievement

Testing and Debugging

Build a Simple Android App with Java

Achievement

Improving Our Code

Build a Simple Android App with Java

Achievement

Basic Android Programming

Build a Simple Android App with Java

Achievement

Creating the Screen Layout

Build a Simple Android App with Java

Achievement

Getting Started with Android

Build a Simple Android App with Java

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

Improving Our Todo App

AngularJS Basics (1.x)

Achievement

Services in Angular

AngularJS Basics (1.x)

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)

Achievement

PHPDB Stage 3: Using Relational Data

Integrating PHP with Databases

Achievement

Getting Started with MongoDB

Mongo Basics

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

PHPDB Stage 2: Querying the Database with PHP

Integrating PHP with Databases

Achievement

PHPDB Stage 1: Databases and PHP

Integrating PHP with Databases

Achievement

Database Security

PHP & Databases with PDO

Achievement

Queries & Results

PHP & Databases with PDO

Achievement

Getting Started with PDO

PHP & Databases with PDO

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

Securing and Maintaining a MySQL Database

Database Foundations

Achievement

SQL Calculating, Aggregating and Other Functions

Database Foundations

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

Installing MySQL Server and MySQL Workbench

Database Foundations

Achievement

Introduction to Data, Databases and SQL

Database Foundations

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

Building a Command Line Application

Node.js Basics (2014)

Achievement

Introduction to Node.js

Node.js Basics (2014)

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

WWW

How the Web Works

Achievement

The Internet

How the Internet Works

Achievement

Computer Languages

Computer Basics

Achievement

Computer Basics

Computer Basics

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

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

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

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

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

JavaScript and the DOM

Interactive Web Pages with JavaScript

Achievement

Creating a Simple Drawing Application

jQuery Basics (2014)

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

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

JavaScript Functions

JavaScript Basics (Retired)

Achievement

JavaScript Conditional Statements

JavaScript Basics (Retired)

Achievement

Welcome to the Treehouse Club

Treehouse Club: HTML

Achievement

The Logo Sprint

Logo Design Basics

Achievement

Logo Design 101

Logo Design Basics

Achievement

Save for the Web

Adobe Illustrator for Web Design

Achievement

Adding Images and a Mockup

Adobe Illustrator for Web Design

Achievement

JavaScript Numbers

JavaScript Basics (Retired)

Achievement

Logo Design

Adobe Illustrator for Web Design

Achievement

Creating a Wireframe

Adobe Illustrator for Web Design

Achievement

Introducing Adobe Illustrator

Adobe Illustrator for Web Design

Achievement

JavaScript Variables

JavaScript Basics (Retired)

Achievement

Introducing JavaScript

JavaScript Basics (Retired)

Achievement

Transitions and Transforms

Animating SVG with CSS

Achievement

Workflow Basics

Photoshop Foundations

Achievement

Slices & Save for Web

Photoshop Foundations

Achievement

Vector Shapes

Photoshop Foundations

Achievement

Type Tools

Photoshop Foundations

Achievement

Masks Basics

Photoshop Foundations

Achievement

Layer Basics

Photoshop Foundations

Achievement

Workspace Basics

Photoshop Foundations

Achievement

Design Foundations Final

Design Foundations

Achievement

Becoming a Problem Solver

Design Foundations

Achievement

Understanding Aesthetics

Design Foundations

Achievement

Introduction to Design

Design Foundations

Achievement

Adding 3D Effects with CSS

CSS Transitions and Transforms

Achievement

Getting Started with CSS Transforms

CSS Transitions and Transforms

Achievement

Transition Timing Functions and Delays

CSS Transitions and Transforms

Achievement

Getting Started with CSS Transitions

CSS Transitions and Transforms

Achievement

Building a Layout with Flexbox

CSS Flexbox Layout

Achievement

Flexbox Properties

CSS Flexbox Layout

Achievement

Understanding Flexbox

CSS Flexbox Layout

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

Forms

HTML

Achievement

Tables

HTML

Achievement

Objects

HTML

Achievement

Links

HTML

Achievement

Lists

HTML

Achievement

Text

HTML

Achievement

Introduction

HTML

Achievement

Web Apps

Accessibility

Achievement

Websites

Accessibility

Achievement

Introduction

Accessibility

Achievement

Creating an SVG

SVG Basics

Achievement

Introduction to SVG

SVG Basics

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

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

Controlling Layout with CSS Display Modes

CSS Layout Basics

Achievement

Getting Started with CSS Layout

CSS Layout Basics

Achievement

Contact Forms & Mailers

Building Websites with PHP

Achievement

Slim and Templates

Building Websites with PHP

Achievement

Dependency Management

Building Websites with PHP

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

PHP Email Form Errors

Build a Basic PHP Website (2018)

Achievement

PHP Email Forms

Build a Basic PHP Website (2018)

Achievement

Structuring Tables

HTML Tables

Achievement

Table Basics

HTML Tables

Achievement

Advanced Selectors

CSS Selectors

Achievement

Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Achievement

Selectors - Beyond the Basics

CSS Selectors

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

Choosing Options

HTML Forms

Achievement

Organizing Forms

HTML Forms

Achievement

Form Basics

HTML Forms

Achievement

PHP Inventory

Build a Basic PHP Website (2018)

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

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

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