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

A History Lesson

Introduction to Auto Layout in iOS

Achievement

Delegation in iOS

Delegates in Swift 2

Achievement

Introduction to Delegates

Delegates in Swift 2

Achievement

Introducing jQuery Plugins

Using jQuery Plugins

Achievement

Total Control

Django ORM

Achievement

Basic ORM Usage

Django ORM

Achievement

Same Old ORM

Django ORM

Achievement

Inlines and Media

Django Forms

Achievement

Django Model Forms

Django Forms

Achievement

Django Models

Django Forms

Achievement

Django Forms

Django Forms

Achievement

Building Custom Filters

Customizing Django Templates

Achievement

Building Custom Tags

Customizing Django Templates

Achievement

Template Tags and Filters

Customizing Django Templates

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

Chrome DevTools Basics

Website Optimization

Achievement

Installing Programs

Console Foundations

Achievement

Environment and Redirection

Console Foundations

Achievement

Web Apps

Accessibility

Achievement

Websites

Accessibility

Achievement

Introduction

Accessibility

Achievement

Console Processes

Console Foundations

Achievement

Console Users and Permission

Console Foundations

Achievement

Moving Around in the Console

Console Foundations

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

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

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

Advanced Selectors

CSS Selectors

Achievement

Going Further with Attribute Selectors and Pseudo-Classes

CSS Selectors

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

Choosing Options

HTML Forms

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

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

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

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

Basic Selectors

CSS Basics (2014)

Achievement

Getting Started with CSS

CSS Basics (2014)

Achievement

The Lambda Lambada

Functional Python

Achievement

Functional Workhorses

Functional Python

Achievement

Functional Rules

Functional Python

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

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

Buggy Logs

Write Better Python

Achievement

Cleaner Code

Write Better Python

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

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

PHP Inventory

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

Test Time!

Django Basics

Achievement

Final Details

Django Basics

Achievement

PHP Includes

Build a Basic PHP Website (2018)

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

Prototyping With Bootstrap

Framework Basics

Achievement

Django Templates

Django Basics

Achievement

Introduction to Front-End Frameworks

Framework Basics

Achievement

Model Administration

Django Basics

Achievement

What a View

Django Basics

Achievement

Say Hello to Django

Django Basics

Achievement

Finding the Data You Want

SQL Basics

Achievement

Getting Data from a Database

SQL Basics

Achievement

Data, Databases and SQL

SQL Basics

Achievement

Meet Objects

Java Objects (Retired)

Achievement

Perfecting the Prototype

Java Basics

Achievement

HTML Email Basics

HTML Email Design

Achievement

Using your New Tools

Java Basics

Achievement

Getting Started with Java

Java Basics

Achievement

Lists Redux

Python Collections (Retired)

Achievement

Local Python

Setting Up a Local Python Environment

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

Getting Started with Data Science

Data Science Basics

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

Our Diary App

Using Databases in Python

Achievement

Meet Peewee

Using Databases in Python

Achievement

Organizing Forms

HTML Forms

Achievement

Form Basics

HTML Forms

Achievement

Structuring Tables

HTML Tables

Achievement

Table Basics

HTML Tables

Achievement

Control Structures

Introduction to Programming

Achievement

Basics

Introduction to Programming

Achievement

HTML First

How to Make a Website

Achievement

Beginning HTML and CSS

How to Make a Website

Achievement

Welcome to the Treehouse Club

Treehouse Club: HTML

Achievement

Cocoapods

iOS Tools

Achievement

Forms

HTML

Achievement

Tables

HTML

Achievement

Objects

HTML

Achievement

Links

HTML

Achievement

Lists

HTML

Achievement

Text

HTML

Achievement

Getting Started with CSS

CSS Foundations

Achievement

Animate This

Build a Simple iPhone App

Achievement

Designing your App

Build a Simple iPhone App (iOS7)

Achievement

Refactoring into a Model

Build a Simple iPhone App (iOS7)

Achievement

Creating a Data Collection

Build a Simple iPhone App (iOS7)

Achievement

Pretty Little Things

Build a Simple Android App (retired 2014)

Achievement

Learning the Language

Build a Simple Android App (retired 2014)

Achievement

Getting Started with Android

Build a Simple Android App (retired 2014)

Achievement

Introduction

HTML

Achievement

Understanding Views and View Controllers

Build a Simple iPhone App (iOS7)

Achievement

Getting Started (iOS7)

Build a Simple iPhone App (iOS7)

Achievement

Beyond the Basics

Objective-C Basics (Retired)

Achievement

Advanced Objective-C

Objective-C Basics (Retired)

Achievement

Foundation Framework

Objective-C Basics (Retired)

Achievement

Introduction to Objective-C

Objective-C Basics (Retired)

Achievement

Pointers and Memory

Objective-C Basics (Retired)

Achievement

Launching the Website

Build a Simple Website

Achievement

Styling Content

Build a Simple Website

Achievement

Creating a Website Structure

Build a Simple Website

Achievement

Text Editors and HTML

Build a Simple Website

Achievement

Website Basics

Build a Simple Website

Achievement

Functional Programming in C

Objective-C Basics (Retired)

Achievement

Fundamentals of C

Objective-C Basics (Retired)

Achievement

Newbie