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 Application

Node.js Basics

Achievement

Handling Errors in Node

Node.js Basics

Achievement

Getting Data From an API With Node

Node.js Basics

Achievement

Introduction to Node.js

Node.js Basics

Achievement

GET and POST Requests in a Browser

HTTP Basics

Achievement

Introduction to HTTP

HTTP Basics

Achievement

Common Commands

Introduction to the Terminal

Achievement

Directories and Files

Introduction to the Terminal

Achievement

The Command Shell

Introduction to the Terminal

Achievement

Go Concurrency Overview

Go Language Overview

Achievement

Go Custom Types Overview

Go Language Overview

Achievement

Go Data Structures Overview

Go Language Overview

Achievement

Go Flow Control Overview

Go Language Overview

Achievement

Go Syntax Overview

Go Language Overview

Achievement

Selecting Relevant Data

Cleaning and Preparing Data

Achievement

Handling Bad Data

Cleaning and Preparing Data

Achievement

“Clean” or “Dirty” Data

Cleaning and Preparing Data

Achievement

Big Data at Netflix

Introduction to Big Data

Achievement

Where and How Big Data Is Used

Introduction to Big Data

Achievement

What is Big Data

Introduction to Big Data

Achievement

Error Checking

Intermediate Excel

Achievement

Conditional Formatting

Intermediate Excel

Achievement

Pivot Tables

Intermediate Excel

Achievement

LOOKUP Functions

Intermediate Excel

Achievement

Making sense of it all

Researching User Needs

Achievement

Learning activity: Interviewing

Researching User Needs

Achievement

Learning activity: Field Observation

Researching User Needs

Achievement

Learning activity: Experience Sampling

Researching User Needs

Achievement

Finding participants for your learning activity

Researching User Needs

Achievement

Solving an Important Problem

Researching User Needs

Achievement

Finishing the Game

Introducing JavaScript

Achievement

Introducing JavaScript

Introducing JavaScript

Achievement

How to Make Wireframes in Adobe XD

Introduction to Wireframing

Achievement

How to Make Wireframes in Balsamiq

Introduction to Wireframing

Achievement

How to Make Wireframes on Paper

Introduction to Wireframing

Achievement

What is Wireframing?

Introduction to Wireframing

Achievement

Creating and Modifying Database Tables

Creating and Modifying Database Tables

Achievement

Writing a Classifier

Machine Learning Basics

Achievement

Machine Learning Vocabulary

Machine Learning Basics

Achievement

Introduction to Machine Learning

Machine Learning Basics

Achievement

Soft Skills - Psychology

Soft Skills

Achievement

Writing Online

Soft Skills

Achievement

Productivity

Soft Skills

Achievement

Presentation Skills

Soft Skills

Achievement

Important Skills For Professional Success

Soft Skills

Achievement

Abstract Classes in PHP

Designing Interfaces in PHP

Achievement

Using Interfaces in PHP

Designing Interfaces in PHP

Achievement

Treehouse Club - JavaScript

Treehouse Club: JavaScript

Achievement

Introduction

Intro to Gender & Sexuality

Achievement

WWW

How the Web Works

Achievement

The Internet

How the Internet Works

Achievement

Computer Languages

Computer Basics

Achievement

Computer Basics

Computer Basics

Achievement

Designing Interfaces in PHP

Designing Interfaces in PHP

Achievement

Practicing Data Visualization in Excel

Data Visualization with Excel

Achievement

Chart Formatting and Layout

Data Visualization with Excel

Achievement

When To Use What Type of Chart

Data Visualization with Excel

Achievement

Introduction To Data Visualization

Data Visualization with Excel

Achievement

The Data Analysis Process

Data Analysis Basics

Achievement

Getting to Know Your Data

Data Analysis Basics

Achievement

Introducing Data Analysis

Data Analysis Basics

Achievement

Build a Spreadsheet

Spreadsheet Basics

Achievement

Spreadsheet Best Practices

Spreadsheet Basics

Achievement

Spreadsheet Functions & Formulas

Spreadsheet Basics

Achievement

Python File Systems Navigation

Python for File Systems

Achievement

Python Regular Expressions

Regular Expressions in Python

Achievement

Data Eruption

Introduction to Data Visualization with Matplotlib

Achievement

Chart Toppers

Introduction to Data Visualization with Matplotlib

Achievement

Getting Started with Data Visualization

Introduction to Data Visualization with Matplotlib

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

Welcome to Basic Math for Data Analysis

Basic Math for Data Analysis

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

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

Using Lists

Introducing Lists

Achievement

Meet Lists

Introducing Lists

Achievement

Practice Functions

Practice Creating and Using Functions in Python

Achievement

All Together Now

Python Basics

Achievement

Functions and Looping

Python Basics

Achievement

Types and Branching

Python Basics

Achievement

Meet Python

Python Basics

Achievement

Getting Started With Spreadsheets

Spreadsheet Basics

Achievement

Introducing Spreadsheets

Spreadsheet Basics

Achievement

Vulnerabilities: Configuration, Components, and Logging

OWASP Top 10 Vulnerabilities

Achievement

Vulnerabilities: Authentication, Access, and Sensitive Data

OWASP Top 10 Vulnerabilities

Achievement

Vulnerabilities: Injection, XSS, CSRF

OWASP Top 10 Vulnerabilities

Achievement

The OWASP Top 10 Explained

OWASP Top 10 Vulnerabilities

Achievement

Maintaining Secure Web Apps

Introduction to Application Security

Achievement

Protecting Data and Keeping Attackers Out

Introduction to Application Security

Achievement

Why Protect Your Web Apps

Introduction to Application Security

Achievement

Security: Solutions

Introduction to Data Security

Achievement

Security: Concerns

Introduction to Data Security

Achievement

Security in Practice

Security Literacy

Achievement

Common Attacks and Defenses

Security Literacy

Achievement

Interaction Design in Practice

Designing Interactions

Achievement

Theories and Psychology

Designing Interactions

Achievement

Art Direction with the Picture Element

Responsive Images

Achievement

Image Delivery with Srcset and Sizes

Responsive Images

Achievement

Welcome to the Treehouse Club

Treehouse Club: HTML

Achievement

Extending the Family

Extending Object-Oriented PHP

Achievement

Inheritance

Extending Object-Oriented PHP

Achievement

Building a Collection

Object-Oriented PHP Basics

Achievement

Building the Recipe

Object-Oriented PHP Basics

Achievement

Understanding Classes

Object-Oriented PHP Basics

Achievement

Why Object-Oriented Programming?

Object-Oriented PHP Basics

Achievement

Setting Up an Authorization System

PHP User Authentication

Achievement

Adding an Authentication System

PHP User Authentication

Achievement

Build a Library

PHP User Authentication

Achievement

What is Authentication

PHP User Authentication

Achievement

Parsing Specific Formats

File Handling with PHP

Achievement

Basic File Handling

File Handling with PHP

Achievement

Setting Up Authorization in PHP

Introduction to User Authentication in PHP

Achievement

Building Authentication in PHP

Introduction to User Authentication in PHP

Achievement

Updating and Deleting Records

CRUD Operations with PHP

Achievement

Reading and Writing Reports

CRUD Operations with PHP

Achievement

Creating Records

CRUD Operations with PHP

Achievement

Project Setup

CRUD Operations with PHP

Achievement

Browser Persistent Data with PHP

Browser Persistent Data with PHP

Achievement

PHPDB Stage 5: Search

Integrating PHP with Databases

Achievement

PHPDB Stage 4: Pagination with LIMITs

Integrating PHP with Databases

Achievement

PHPDB Stage 3: Using Relational Data

Integrating PHP with Databases

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

Filtering Inputs and Escaping Outputs in PHP

Working with $_GET and $_POST in PHP

Achievement

$_GET and $_POST

Working with $_GET and $_POST in PHP

Achievement

PHP Inventory

Build a Basic PHP Website

Achievement

PHP Includes

Build a Basic PHP Website

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

PHP Internal Functions

PHP Functions

Achievement

PHP Returns & Closures

PHP Functions

Achievement

PHP Functions Basics

PHP Functions

Achievement

PHP Loops

PHP Arrays and Control Structures

Achievement

PHP Arrays

PHP Arrays and Control Structures

Achievement

PHP Conditionals

PHP Arrays and Control Structures

Achievement

PHP on the Web

PHP Basics

Achievement

Daily Exercise Program

PHP Basics

Achievement

Unit Converter

PHP Basics

Achievement

Getting to Know PHP

PHP Basics

Achievement

Event Planning

Build a JavaFX Application

Achievement

Build a Pomodoro App

Build a JavaFX Application

Achievement

Design a Better App

Build a JavaFX Application

Achievement

Graphical User Interfaces

Build a JavaFX Application

Achievement

Going Further with Grid Layout

CSS Grid Layout

Achievement

Flexible Sized Grids

CSS Grid Layout

Achievement

Introducing Grid Layout

CSS Grid Layout

Achievement

What to Test

Unit Testing in Java

Achievement

How To Test

Unit Testing in Java

Achievement

Why Test

Unit Testing in Java

Achievement

Advanced Tooling

Local Development Environments

Achievement

IDE Exploration

Local Development Environments

Achievement

How it Works

Local Development Environments

Achievement

Java Maps

Java Maps

Achievement

Java Lists

Java Lists

Achievement

Generics in Java

Generics in Java

Achievement

Interfaces in Java

Interfaces in Java

Achievement

Java Inheritance

Inheritance in Java

Achievement

Introducing IntelliJ and Unpacking Packages

Introducing IntelliJ and Unpacking Packages

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

Perfecting the Prototype

Java Basics

Achievement

Using your New Tools

Java Basics

Achievement

Getting Started with Java

Java Basics

Achievement

Hello Internet!

Security Literacy

Achievement

Segmenting and Protecting Data

User Authentication with ASP.NET Identity

Achievement

Adding User Sign-In and Sign-Out

User Authentication with ASP.NET Identity

Achievement

Adding User Registration

User Authentication with ASP.NET Identity

Achievement

Introducing ASP.NET Identity

User Authentication with ASP.NET Identity

Achievement

Give and Receive Feedback

How to Give and Receive Feedback

Achievement

Searching Names

Algorithms: Sorting and Searching

Achievement

Sorting Algorithms

Algorithms: Sorting and Searching

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

Completing the Project

Entity Framework with ASP.NET MVC

Achievement

Data Access Design Patterns

Entity Framework with ASP.NET MVC

Achievement

Exploring Arrays

Introduction to Data Structures

Achievement

Entity Framework and ASP.NET MVC

Entity Framework with ASP.NET MVC

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

Project Setup

Entity Framework with ASP.NET MVC

Achievement

Digging Deeper Into Migrations

Entity Framework Migrations

Achievement

Getting Started with Using Migrations

Entity Framework Migrations

Achievement

CRUD Operations

Entity Framework Basics

Achievement

LINQ Queries

Entity Framework Basics

Achievement

Extending Our Entity Data Model

Entity Framework Basics

Achievement

Entity Framework and Databases

Entity Framework Basics

Achievement

Introducing Entity Framework

Entity Framework Basics

Achievement

Day 3: Getting Creative

SQL Reporting by Example

Achievement

Day 2: Advanced Selecting

SQL Reporting by Example

Achievement

Day 1: Joining Tables

SQL Reporting by Example

Achievement

Orientation: Selecting Data

SQL Reporting by Example

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

Planning Our Service

Building Services with ASP.NET Web API

Achievement

Finishing Our CRUD Web App

ASP.NET MVC Forms

Achievement

Adding Form Validation

ASP.NET MVC Forms

Achievement

Improving Our Form

ASP.NET MVC Forms

Achievement

Creating a Basic Form

ASP.NET MVC Forms

Achievement

Introducing CRUD Applications

ASP.NET MVC Forms

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

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

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

Treehouse Club - CSS

Treehouse Club: CSS

Achievement

JavaScript Tools and Workflows

The Landscape of JavaScript

Achievement

JavaScript is Everywhere

The Landscape of JavaScript

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

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

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

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

Structuring Tables

HTML Tables

Achievement

Table Basics

HTML Tables

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

Query Builder

Querying With LINQ

Achievement

Query Operators

Querying With LINQ

Achievement

Functional!

Querying With LINQ

Achievement

Now You're Querying!

Querying With LINQ

Achievement

Choosing Options

HTML Forms

Achievement

Organizing Forms

HTML Forms

Achievement

Form Basics

HTML Forms

Achievement

Getting the REST You Need 2

Introduction to REST APIs

Achievement

Persuasive Patterns

UX Design Patterns (2018 Version)

Achievement

UI Patterns

UX Design Patterns (2018 Version)

Achievement

Designing with Patterns

UX Design Patterns (2018 Version)

Achievement

Exploration

Web Design Process

Achievement

Discovery

Web Design Process

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 List Page

ASP.NET MVC Basics

Achievement

Modeling and Presenting Data

ASP.NET MVC Basics

Achievement

Views

ASP.NET MVC Basics

Achievement

Controllers

ASP.NET MVC Basics

Achievement

Project Setup

ASP.NET MVC Basics

Achievement

What To Test

Unit Testing in C#

Achievement

Test Driven Development

Unit Testing in C#

Achievement

Writing Unit Tests

Unit Testing in C#

Achievement

Unit Testing

Unit Testing in C#

Achievement

Sets and Dictionaries

C# Collections

Achievement

Lists

C# Collections

Achievement

Arrays

C# Collections

Achievement

Data Retreiver

C# Streams and Data Processing

Achievement

Serialized!

C# Streams and Data Processing

Achievement

Data Parser

C# Streams and Data Processing

Achievement

Data Reader

C# Streams and Data Processing

Achievement

Abstraction

Intermediate C#

Achievement

System.Object

Intermediate C#

Achievement

Polymorphism

Intermediate C#

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

If Statements

C# Basics

Achievement

Numbers

C# Basics

Achievement

Strings

C# Basics

Achievement

Methods

C# Basics

Achievement

C# Syntax

C# Basics

Achievement

Newbie