Achievement

Treehouse Festival (December 2020)

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

Using Templates with Express

Express Basics

Achievement

Getting Started with Express

Express Basics

Achievement

JavaScript Frameworks, Libraries, and Developer Roles

The JavaScript Ecosystem

Achievement

JavaScript Outside of the Browser

The JavaScript Ecosystem

Achievement

Regular Expressions

Introduction to Regular Expressions

Achievement

Loop Through Objects

JavaScript Objects

Achievement

Object Basics

JavaScript Objects

Achievement

Multidimensional Arrays

JavaScript Arrays

Achievement

Loop Through Arrays

JavaScript Arrays

Achievement

Store Multiple Values in an Array

JavaScript Arrays

Achievement

Programming AJAX

AJAX Basics

Achievement

AJAX Concepts

AJAX Basics

Achievement

Working with 'for' Loops

JavaScript Loops

Achievement

Simplify Repetitive Tasks with Loops

JavaScript Loops

Achievement

GitHub and Other Remote Repositories

Introduction to Git

Achievement

Managing Committed Files

Introduction to Git

Achievement

First Commits

Introduction to Git

Achievement

Common Commands

Introduction to the Terminal

Achievement

Directories and Files

Introduction to the Terminal

Achievement

The Command Shell

Introduction to the Terminal

Achievement

Exploring Async/Await

Asynchronous Programming with JavaScript

Achievement

Understanding Promises

Asynchronous Programming with JavaScript

Achievement

Asynchronous JavaScript with Callbacks

Asynchronous Programming with JavaScript

Achievement

What is Asynchronous Programming?

Asynchronous Programming with JavaScript

Achievement

Combining Array Methods

JavaScript Array Iteration Methods

Achievement

Array Manipulation

JavaScript Array Iteration Methods

Achievement

Array Iteration

JavaScript Array Iteration Methods

Achievement

Checking Out and Returning a Book

Practice Object Interaction

Achievement

Starting with Some Methods

Practice Object Interaction

Achievement

The Rough Plan

Practice Object Interaction

Achievement

Practicing Getters and Setters

Practice Getters and Setters in JavaScript

Achievement

Ruby Conditionals

Ruby Basics

Achievement

Ruby Numeric Types

Ruby Basics

Achievement

Ruby Objects

Ruby Basics

Achievement

Ruby Strings and Escape Sequences

Ruby Basics

Achievement

Ruby Syntax

Ruby Basics

Achievement

Treehouse Festival

Achievement

Practicing Classes

Practice Classes in JavaScript

Achievement

Practicing Object Basics

Practice Object Basics in JavaScript

Achievement

Reformatting User Input

Regular Expressions in JavaScript

Achievement

Validating a Form with Regular Expressions

Regular Expressions in JavaScript

Achievement

Regular Expressions

Regular Expressions in JavaScript

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

Art Direction with the Picture Element

Responsive Images

Achievement

Image Delivery with Srcset and Sizes

Responsive Images

Achievement

Choosing Options

HTML Forms

Achievement

Organizing Forms

HTML Forms

Achievement

Form Basics

HTML Forms

Achievement

JavaScript Tools and Workflows

The Landscape of JavaScript

Achievement

JavaScript is Everywhere

The Landscape of JavaScript

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

The Role of Selectors in JavaScript

CSS Selectors Quickstart

Achievement

Pseudo-classes and Combinators

CSS Selectors Quickstart

Achievement

Selector Basics

CSS Selectors Quickstart

Achievement

Arrow Functions

JavaScript Functions

Achievement

Pass Information Into Functions

JavaScript Functions

Achievement

Create Reusable Code with Functions

JavaScript Functions

Achievement

The Math Object

JavaScript Numbers

Achievement

Working with Numbers

JavaScript Numbers

Achievement

Making Decisions in Your Code with Conditional Statements

JavaScript Basics

Achievement

Working With Strings

JavaScript Basics

Achievement

Storing and Tracking Information with Variables

JavaScript Basics

Achievement

Hello, JavaScript!

JavaScript Basics

Achievement

Recruiting Participants

Conducting User Interviews

Achievement

Fundamental Concepts

CSS Basics (2014)

Achievement

Designing with the Latest Features

CSS Basics (2014)

Achievement

What Is Testing?

Python Testing

Achievement

Building a Linked List

Introduction to Data Structures

Achievement

Exploring Arrays

Introduction to Data Structures

Achievement

Recursion and Space Complexity

Introduction to Algorithms

Achievement

Algorithms in Code

Introduction to Algorithms

Achievement

Python File Systems Project Starter

Python for File Systems

Achievement

Python File Systems Manipulation

Python for File Systems

Achievement

Python File Systems Navigation

Python for File Systems

Achievement

Buggy Logs

Write Better Python

Achievement

Cleaner Code

Write Better Python

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

Python Dictionaries

Python Collections (2016, retired 2019)

Achievement

Python Slices

Python Collections (2016, retired 2019)

Achievement

Python Lists

Python Collections (2016, retired 2019)

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

Time Complexity

Introduction to Algorithms

Achievement

Playing a Counting Game

Introduction to Algorithms

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

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

Adding a New Web Page

Introduction to HTML and CSS

Achievement

Make It Beautiful with CSS

Introduction to HTML and CSS

Achievement

HTML: The Structural Foundation of Web Pages and Applications

Introduction to HTML and CSS

Achievement

Welcome to Gulp.js

Gulp 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

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

GET and POST Requests in a Browser

HTTP Basics

Achievement

Introduction to HTTP

HTTP Basics

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

Getters and Setters

Object-Oriented JavaScript

Achievement

Working with Classes in JavaScript

Object-Oriented JavaScript

Achievement

Object Basics

Object-Oriented JavaScript

Achievement

Introduction to Object-Oriented JavaScript

Object-Oriented JavaScript

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

Working with jQuery Collections (2017)

jQuery Basics

Achievement

Understanding jQuery Events and DOM Traversal (2017)

jQuery Basics

Achievement

Introducing jQuery (2017)

jQuery Basics

Achievement

Traversing the DOM

JavaScript and the DOM (Retiring)

Achievement

Responding to User Interaction

Interacting with the DOM

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

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

Create Function Using Arrow Syntax

Getting Started With ES2015

Achievement

Using Template Literals

Getting Started With ES2015

Achievement

Defining Variables With let and const

Getting Started With ES2015

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

Finishing the Game

Introducing JavaScript

Achievement

Introducing JavaScript

Introducing JavaScript

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

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

Error Handling

Error Handling in Swift

Achievement

Writing Great Swift

API Design Guidelines in Swift

Achievement

Transitions, Gestures and More

Displaying API Data with Collection Views in Objective-C

Achievement

Show Me the Data

Displaying API Data with Collection Views in Objective-C

Achievement

Introduction to CollectionViews

Displaying API Data with Collection Views in Objective-C

Achievement

Filtering the Data

Build a Selfie App with Swift 2

Achievement

Saving and Displaying Selfies

Build a Selfie App with Swift 2

Achievement

Adding Metadata to Photos

Build a Selfie App with Swift 2

Achievement

Adding Image Filters

Build a Selfie App with Swift 2

Achievement

Taking a Selfie

Build a Selfie App with Swift 2

Achievement

Paged Scrolling

Introduction to Scroll Views with Swift 2

Achievement

Understanding Scroll Views

Introduction to Scroll Views with Swift 2

Achievement

Deleting and Updating Data

Introduction to Core Data with Swift 2

Achievement

Fetching Data Using Fetch Requests

Introduction to Core Data with Swift 2

Achievement

Inserting and Saving Data Using a Context

Introduction to Core Data with Swift 2

Achievement

Understanding the Core Data Stack

Introduction to Core Data with Swift 2

Achievement

Objective-C in Action

Objective-C for Swift Developers

Achievement

Intermediate Topics in Objective-C

Objective-C for Swift Developers

Achievement

The Objective-C Mindset

Objective-C for Swift Developers

Achievement

Basic Types, Structures and Syntax

Objective-C for Swift Developers

Achievement

Moving from Swift to Objective-C

Objective-C for Swift Developers

Achievement

Implementing Maps and Search

Displaying Data with Table Views in Swift 2

Achievement

Obtaining a Location Fix

Displaying Data with Table Views in Swift 2

Achievement

Displaying Data in Table Views

Displaying Data with Table Views in Swift 2

Achievement

Enhancing the Networking Stack

Displaying Data with Table Views in Swift 2

Achievement

URLs and Parameter Encoding

Displaying Data with Table Views in Swift 2

Achievement

Introduction to UITableView

Displaying Data with Table Views in Swift 2

Achievement

Implementing a Forecast Client

Network Programming with Swift 2

Achievement

Protocol Oriented Networking

Network Programming with Swift 2

Achievement

Fetching Data From the Web

Network Programming with Swift 2

Achievement

Modeling Forecast Data

Network Programming with Swift 2

Achievement

Visual Format Language

Introduction to Auto Layout in iOS

Achievement

Auto Layout in Code

Introduction to Auto Layout in 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

Asynchronous Error Handling

Closures in Swift 2

Achievement

Closures in Cocoa Touch

Closures in Swift 2

Achievement

Building Standard Library Functions

Closures in Swift 2

Achievement

Closure Expressions

Closures in Swift 2

Achievement

First Class Functions

Closures in Swift 2

Achievement

Generics with Swift 2 - Beyond Basics

Generics in Swift 2

Achievement

Generics with Swift 2

Generics in Swift 2

Achievement

Adding Sound Effects

Build an Interactive Story App with Swift 2

Achievement

Refactoring the Model

Build an Interactive Story App with Swift 2

Achievement

Creating the User Interface Programmatically

Build an Interactive Story App with Swift 2

Achievement

Creating a Story

Build an Interactive Story App with Swift 2

Achievement

Navigating Through an Adventure

Build an Interactive Story App with Swift 2

Achievement

Delegation in iOS

Delegates in Swift 2

Achievement

Introduction to Delegates

Delegates in Swift 2

Achievement

Memory Management in Swift 2

Intermediate Swift 2

Achievement

Extensions and Protocols

Intermediate Swift 2

Achievement

Value Semantics, Type Methods and Inheritance

Intermediate Swift 2

Achievement

Object Initialization in Swift 2

Intermediate Swift 2

Achievement

Properties in Swift 2

Intermediate Swift 2

Achievement

Displaying Additional Views

Build a Vending Machine App in Swift 2.0

Achievement

Using the Vending Machine

Build a Vending Machine App in Swift 2.0

Achievement

Loading Data From a Resource

Build a Vending Machine App in Swift 2.0

Achievement

Modeling An Interface

Build a Vending Machine App in Swift 2.0

Achievement

Error Handling in Swift 2.0

Error Handling in Swift 2.0

Achievement

Creating Flexible Objects Using Protocols

Swift 2.0 Protocols

Achievement

Swift 2.0 Protocols

Swift 2.0 Protocols

Achievement

Objects and Optionals

Swift 2.0 Enumerations and Optionals

Achievement

Inheritance

C# Objects

Achievement

Methods

C# Objects

Achievement

Object-Oriented Programming

C# Objects

Achievement

Introduction to Optionals

Swift 2.0 Enumerations and Optionals

Achievement

Introduction to Enumerations

Swift 2.0 Enumerations and Optionals

Achievement

Running Apps on a Device

Build a Simple iPhone App with Swift 2.0

Achievement

Improving Our User Interface

Build a Simple iPhone App with Swift 2.0

Achievement

Structs as Data Models

Build a Simple iPhone App with Swift 2.0

Achievement

View Controllers and Views

Build a Simple iPhone App with Swift 2.0

Achievement

Getting Started with iOS Development

Build a Simple iPhone App with Swift 2.0

Achievement

Differentiating Between Objects

Object-Oriented Swift 2.0

Achievement

Class Inheritance

Object-Oriented Swift 2.0

Achievement

Classes

Object-Oriented Swift 2.0

Achievement

Complex Data Structures

Object-Oriented Swift 2.0

Achievement

Function Parameters

Swift 2.0 Functions

Achievement

Functions in Swift 2.0

Swift 2.0 Functions

Achievement

Control Flow with Conditional Statements

Swift 2.0 Collections and Control Flow

Achievement

Control Flow With Loops

Swift 2.0 Collections and Control Flow

Achievement

Swift Dictionaries

Swift 2.0 Collections and Control Flow

Achievement

Introduction to Collections

Swift 2.0 Collections and Control Flow

Achievement

Swift Operators

Swift 2.0 Basics

Achievement

Swift Types

Swift 2.0 Basics

Achievement

An Introduction to Swift Programming

Swift 2.0 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

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

Getting Familiar with HTML and CSS

Introduction to HTML and CSS

Achievement

Getting the REST You Need

REST API Basics

Achievement

Perfect

C# Basics (Retired)

Achievement

Perform

C# Basics (Retired)

Achievement

Console I/O

C# Basics (Retired)

Achievement

Data, Databases and SQL

SQL Basics

Achievement

Prepare and Plan

C# Basics (Retired)

Achievement

Perfecting the Prototype

Java Basics

Achievement

Using your New Tools

Java Basics

Achievement

Getting Started with Java

Java Basics

Achievement

The Model-View-Controller Pattern

Build an Interactive Story App (Retired)

Achievement

Intents and Multiple Activities

Build an Interactive Story App (Retired)

Achievement

User Input

Build an Interactive Story App (Retired)

Achievement

Testing and Debugging

Build a Simple Android App (2014)

Achievement

Improving Our Code

Build a Simple Android App (2014)

Achievement

Coding the Fun Facts

Build a Simple Android App (2014)

Achievement

Basic Android Programming

Build a Simple Android App (2014)

Achievement

Creating the Initial Screen Layout

Build a Simple Android App (2014)

Achievement

Getting Started with Android

Build a Simple Android App (2014)

Achievement

Say Hello to Python

Python Basics (Retired)

Achievement

Control Structures

Introduction to Programming

Achievement

Basics

Introduction to Programming

Achievement

Newbie