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

Keyframe and Line Drawing Animations

Animating SVG with CSS

Achievement

Transitions and Transforms

Animating SVG with CSS

Achievement

Adding 3D Effects with CSS

CSS Transitions and Transforms

Achievement

Getting Started with CSS Transforms

CSS Transitions and Transforms

Achievement

Using Bootstrap Components

Bootstrap Basics

Achievement

Introduction to Design

Design Foundations

Achievement

Building a Flashcard App

Vue.js Basics

Achievement

Sweeping Vues: Loops, Methods, Directives

Vue.js Basics

Achievement

Going Further with Grid Layout

CSS Grid Layout

Achievement

Flexible Sized Grids

CSS Grid Layout

Achievement

Introducing Grid Layout

CSS Grid Layout

Achievement

Add Reusable Logic to Your Sass

Sass Basics

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

Dates and Times

Dates and Times in Python (2014)

Achievement

Build an Application

Introducing Lists

Achievement

Using Lists

Introducing Lists

Achievement

Meet Lists

Introducing Lists

Achievement

All Together Now

Python Basics

Achievement

Functions and Looping

Python Basics

Achievement

Types and Branching

Python Basics

Achievement

Meet Python

Python Basics

Achievement

Fetching Data From the Web

Build a Weather App

Achievement

Modeling Forecast Data

Build a Weather App

Achievement

What Is WordPress?

What Is WordPress?

Achievement

What a Beautiful Vue!

Vue.js Basics

Achievement

Introducing Vue

Vue.js Basics

Achievement

Object Basics

Object-Oriented JavaScript

Achievement

Introduction to Object-Oriented JavaScript

Object-Oriented JavaScript

Achievement

Data Binding with D3

D3.js

Achievement

Selections with D3

D3.js

Achievement

Responsive Layouts With the Bootstrap Grid

Bootstrap Basics

Achievement

Services in Angular

Angular Basics

Achievement

Working with jQuery Collections (2017)

jQuery Basics

Achievement

Understanding jQuery Events and DOM Traversal (2017)

jQuery Basics

Achievement

Introducing jQuery (2017)

jQuery Basics

Achievement

Building Standard Library Functions

Closures in Swift

Achievement

Closure Expressions

Closures in Swift

Achievement

First Class Functions

Closures in Swift

Achievement

A High Level Overview

Introduction to Table Views

Achievement

Creating the User Interface Programmatically

Build an Interactive Story App with Swift

Achievement

Creating a Story

Build an Interactive Story App with Swift

Achievement

Navigating Through An Adventure

Build an Interactive Story App with Swift

Achievement

Team Collaboration in Figma

Prototyping with Figma

Achievement

Prototyping Designs in Figma

Prototyping with Figma

Achievement

Introducing Figma

Prototyping with Figma

Achievement

Using the Delegate Pattern in iOS

Delegation in iOS

Achievement

The Delegate Pattern

Delegation in iOS

Achievement

Visual Format Language

Introduction to Auto Layout in iOS

Achievement

Auto Layout in Code

Introduction to Auto Layout in iOS

Achievement

Writing Great Swift

API Design Guidelines in Swift

Achievement

Displaying Additional Views

Build a Vending Machine App in Swift

Achievement

Using the Vending Machine

Build a Vending Machine App in Swift

Achievement

ADS Writing and Preparation

Mobile App Design for iOS

Achievement

Introduction to UI Design

Mobile App Design for iOS

Achievement

Trait Collections

Introduction to Auto Layout in iOS

Achievement

Inequalities, Content and Priorities

Introduction to Auto Layout in iOS

Achievement

The Constraint Equation

Introduction to Auto Layout in iOS

Achievement

A History Lesson

Introduction to Auto Layout in iOS

Achievement

Loading Data From a Resource

Build a Vending Machine App in Swift

Achievement

Modeling an Interface

Build a Vending Machine App in Swift

Achievement

Generic Types

Generics in Swift

Achievement

Generic Functions, Parameters and Constraints

Generics in Swift

Achievement

Access Control

Intermediate Swift

Achievement

Memory Management in Swift

Intermediate Swift

Achievement

Extensions and Protocols

Intermediate Swift

Achievement

Value Semantics, Type Methods and Inheritance

Intermediate Swift

Achievement

Object Initialization

Intermediate Swift

Achievement

Properties

Intermediate Swift

Achievement

Running Apps on a Device

Build a Simple iPhone App with Swift

Achievement

Improving Our User Interface

Build a Simple iPhone App with Swift

Achievement

Structs As Data Models

Build a Simple iPhone App with Swift

Achievement

View Controllers and Views

Build a Simple iPhone App with Swift

Achievement

Getting Started with iOS Development

Build a Simple iPhone App with Swift

Achievement

Error Handling

Error Handling in Swift

Achievement

Creating Flexible Objects Using Protocols

Protocols in Swift

Achievement

Protocol Basics

Protocols in Swift

Achievement

Objects and Optionals

Enumerations and Optionals in Swift

Achievement

Introduction to Optionals

Enumerations and Optionals in Swift

Achievement

Introduction to Enumerations

Enumerations and Optionals in Swift

Achievement

Differentiating Between Objects

Object-Oriented Swift

Achievement

Class Inheritance

Object-Oriented Swift

Achievement

Classes in Swift

Object-Oriented Swift

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

Getting to Know Bootstrap 4

Bootstrap Basics

Achievement

Actions, Dispatch and Reducers. Oh my!

Building Applications with React and Redux

Achievement

Modularizing the React Scoreboard Application

Building Applications with React and Redux

Achievement

Going Further with Routing

React Router 4 Basics

Achievement

Navigating, Nesting and Redirecting Routes

React Router 4 Basics

Achievement

Getting Started with React Router

React Router 4 Basics

Achievement

Getting Started with Redux

Building Applications with React and Redux

Achievement

Setting up with Create React App

React by Example

Achievement

Component Lifecycle

React Basics (retired)

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

Django Templates

Django Basics

Achievement

Python File Systems Manipulation

Python for File Systems

Achievement

Model Administration

Django Basics

Achievement

Python: Advanced Objects

Object-Oriented Python

Achievement

Python: Inheritance

Object-Oriented Python

Achievement

Python: Instant Objects

Object-Oriented Python

Achievement

What a View

Django Basics

Achievement

Say Hello to Django

Django Basics

Achievement

Python File Systems Navigation

Python for File Systems

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

Python Slices

Python Collections (2016, retired 2019)

Achievement

Python Lists

Python Collections (2016, retired 2019)

Achievement

Creating a Spoiler Revealer

jQuery Basics (2014)

Achievement

Welcome to Flask

Flask Basics

Achievement

Introduction to jQuery

jQuery Basics (2014)

Achievement

Introduction to Front-End Frameworks

Framework Basics

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

Lists, Code, Links and Images

Markdown Basics

Achievement

Understanding Markdown

Markdown Basics

Achievement

Angular Components

Angular Basics

Achievement

Setting Up an Angular Application

Angular Basics

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

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

Transition Timing Functions and Delays

CSS Transitions and Transforms

Achievement

Getting Started with CSS Transitions

CSS Transitions and Transforms

Achievement

Captioning Video

HTML Video and Audio

Achievement

Media Basics

HTML Video and Audio

Achievement

Creating an SVG

SVG Basics

Achievement

Introduction to SVG

SVG Basics

Achievement

Responsive Patterns

Responsive Layouts

Achievement

Media Queries

Responsive Layouts

Achievement

Responsive Theory

Responsive Layouts

Achievement

Structuring Tables

HTML Tables

Achievement

Table Basics

HTML Tables

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

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

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

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

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

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

Building a Layout with Flexbox

CSS Flexbox Layout

Achievement

Flexbox Properties

CSS Flexbox Layout

Achievement

Understanding Flexbox

CSS Flexbox Layout

Achievement

Choosing Options

HTML Forms

Achievement

Organizing Forms

HTML Forms

Achievement

Positioning Page Content

CSS Layout Basics

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

Advanced Selectors

CSS Selectors

Achievement

Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

Achievement

Selectors - Beyond the Basics

CSS Selectors

Achievement

Getting a Handle on the DOM

JavaScript and the DOM (Retiring)

Achievement

The Browser Environment

JavaScript and the DOM (Retiring)

Achievement

Getting the REST You Need

REST API Basics

Achievement

GET and POST Requests in a Browser

HTTP Basics

Achievement

Introduction to HTTP

HTTP Basics

Achievement

An Introduction to Swift Programming

Swift 2.0 Basics

Achievement

The Lambda Lambada

Functional Python

Achievement

Functional Workhorses

Functional Python

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

Get Involved in Open Source

GitHub Basics

Achievement

Create a Web Presence on GitHub

GitHub Basics

Achievement

Working on a Team

GitHub Basics

Achievement

Working By Yourself

GitHub Basics

Achievement

Hello, GitHub!

GitHub 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

CSS Layout Project

CSS Layout Basics

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

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

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

Welcome to the Treehouse Club

Treehouse Club: HTML

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

Functional Rules

Functional Python

Achievement

Console Processes

Console Foundations

Achievement

Console Users and Permission

Console Foundations

Achievement

Moving Around in the Console

Console Foundations

Achievement

Getting Familiar with HTML and CSS

Introduction to HTML and CSS (2016)

Achievement

Form Basics

HTML Forms

Achievement

What Is Testing?

Python Testing

Achievement

Gettin' CRUD-y With It

Using Databases in Python

Achievement

Forms

HTML

Achievement

Tables

HTML

Achievement

Objects

HTML

Achievement

Links

HTML

Achievement

Lists

HTML

Achievement

Text

HTML

Achievement

Introduction

HTML

Achievement

Our Diary App

Using Databases in Python

Achievement

Cleaner Code

Write Better Python

Achievement

Hack-n-Slash

Object-Oriented Python (retired)

Achievement

Python Inheritance

Object-Oriented Python (retired)

Achievement

Dungeon Game

Python Collections (Retired)

Achievement

Local Python

Setting Up a Local Python Environment

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

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

Swift Value vs Reference Types

Object-Oriented Swift

Achievement

Getting Started with Xcode

Build a Simple iPhone App with Swift

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

Getting Started with Data Science

Data Science Basics

Achievement

Meet Peewee

Using Databases in Python

Achievement

Buggy Logs

Write Better Python

Achievement

Python Objects

Object-Oriented Python (retired)

Achievement

Tuples

Python Collections (Retired)

Achievement

Dictionaries

Python Collections (Retired)

Achievement

Slices

Python Collections (Retired)

Achievement

Lists Redux

Python Collections (Retired)

Achievement

Pick a Number! Any Number!

Python Basics (Retired)

Achievement

Putting the "Fun" Back in "Functions"

Python Basics (Retired)

Achievement

Shopping List

Python Basics (Retired)

Achievement

Things That Count

Python Basics (Retired)

Achievement

Ins & Outs

Python Basics (Retired)

Achievement

Say Hello to Python

Python Basics (Retired)

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

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