Achievement

Writing a Classifier

Machine Learning Basics

Achievement

Machine Learning Vocabulary

Machine Learning Basics

Achievement

Introduction to Machine Learning

Machine Learning Basics

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

Additional Scraping Tasks

Scraping Data From the Web

Achievement

A World Full of Spiders

Scraping Data From the Web

Achievement

Introducing Data Scraping

Scraping Data From the Web

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

Exploring pandas

Introduction to pandas

Achievement

Meet pandas

Introduction to pandas

Achievement

Array Programming

Introduction to NumPy

Achievement

Array Organization

Introduction to NumPy

Achievement

Meet NumPy

Introduction to NumPy

Achievement

Chart Toppers

Introduction to Data Visualization with Matplotlib

Achievement

Getting Started with Data Visualization

Introduction to Data Visualization with Matplotlib

Achievement

Dockerize a Web App

Introduction to Docker

Achievement

Managing Images and Containers

Introduction to Docker

Achievement

Building Images Using Dockerfiles

Introduction to Docker

Achievement

Fundamentals of Docker

Introduction to Docker

Achievement

Docker Use Cases

Introduction to Docker

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

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

Our Diary App

Using Databases in Python

Achievement

Meet Peewee

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

Dice Roller

Object-Oriented Python

Achievement

Python: Advanced Objects

Object-Oriented Python

Achievement

Interfaces in Java

Interfaces in Java

Achievement

Reduction and Aggregation

Introduction to Functional Programming

Achievement

Meet Streams

Introduction to Functional Programming

Achievement

Java's Functional Toolset

Introduction to Functional Programming

Achievement

User Messages in Spring

Spring with Hibernate

Achievement

Setting Up Your Local Environment for Spring Development

Spring Basics

Achievement

Security: Concerns

Introduction to Data Security

Achievement

Security in Practice

Security Literacy

Achievement

Common Attacks and Defenses

Security Literacy

Achievement

Hello Internet!

Security Literacy

Achievement

Writing Your Own Java Annotation

Java Annotations

Achievement

Using Java's Built-In Annotations

Java Annotations

Achievement

WordPress User Roles

WordPress User Roles

Achievement

WordPress Plugins

WordPress Basics

Achievement

WordPress Themes

WordPress Basics

Achievement

The WordPress Customizer

WordPress Basics

Achievement

Managing Media in WordPress

WordPress Basics

Achievement

Managing Content in WordPress

WordPress Basics

Achievement

Installing WordPress Locally

Installing WordPress Locally

Achievement

What Is WordPress?

What Is WordPress?

Achievement

Marketing Your Product

How to Start a Business

Achievement

Discovery

How to Start a Business

Achievement

Why React Native

Introduction to React Native

Achievement

Prepare and Plan

C# Basics (Retired)

Achievement

Console I/O

C# Basics (Retired)

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

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

Scrum Artifacts

Scrum Basics

Achievement

GET and POST Requests in a Browser

HTTP Basics

Achievement

Getting the REST You Need

REST API Basics

Achievement

Introduction to HTTP

HTTP Basics

Achievement

Building the Friendship UI

Building Social Features in Ruby on Rails

Achievement

Introduction to Video Games

How to Make a Video Game

Achievement

Licensing

Copyright Basics

Achievement

Fair Use and Public Domain

Copyright Basics

Achievement

Getting Started with Copyright

Copyright Basics

Achievement

Protecting and Sharing Your Work

Copyright Basics

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

Creating Friendships

Building Social Features in Ruby on Rails

Achievement

Rails Deployment

Build a Simple Ruby on Rails Application

Achievement

Building the Profile Page

Build a Simple Ruby on Rails Application

Achievement

Testing the Whole App

Build a Simple Ruby on Rails Application

Achievement

Rails Routing

Build a Simple Ruby on Rails Application

Achievement

Writing Tests

Build a Simple Ruby on Rails Application

Achievement

Customizing Ruby on Rails Forms

Build a Simple Ruby on Rails Application

Achievement

Ruby on Rails Authentication

Build a Simple Ruby on Rails Application

Achievement

Rails Frontend Development

Build a Simple Ruby on Rails Application

Achievement

Getting Started With Rails

Build a Simple Ruby on Rails Application

Achievement

Password Resets and Testing

User Authentication with Rails

Achievement

Adding User Support to Our Application

User Authentication with Rails

Achievement

Password Hashing and Sign-In

User Authentication with Rails

Achievement

AR Extensions

ActiveRecord Basics

Achievement

Callbacks

ActiveRecord Basics

Achievement

Query Interface

ActiveRecord Basics

Achievement

Validation

ActiveRecord Basics

Achievement

Migrations and Relationships

ActiveRecord Basics

Achievement

Introduction to ActiveRecord

ActiveRecord Basics

Achievement

Build a Todo List Application with Rails 4

Build a Todo List Application with Rails 4

Achievement

Installing a Ruby Development Environment

Installing a Ruby Development Environment

Achievement

Gems In Depth

Ruby Gems

Achievement

Ruby Gems

Ruby Gems

Achievement

Ruby Standard Library: Part 2

Ruby Core and Standard Library

Achievement

Ruby Standard Library: Part 1

Ruby Core and Standard Library

Achievement

Ruby Core

Ruby Core and Standard Library

Achievement

Store Inventory Using Modules

Ruby Modules

Achievement

Include and Extend

Ruby Modules

Achievement

Ruby Core Modules

Ruby Modules

Achievement

Ruby Module Basics

Ruby Modules

Achievement

Input and Output

Build an Address Book in Ruby

Achievement

Search

Build an Address Book in Ruby

Achievement

Ruby Class Design

Build an Address Book in Ruby

Achievement

Blocks Practice

Ruby Blocks

Achievement

Working With Blocks

Ruby Blocks

Achievement

Getting Started with PHP

Build a Simple PHP Application

Achievement

Ruby Blocks

Ruby Blocks

Achievement

Build a Simple Todo List Program

Ruby Booleans

Achievement

Ruby Booleans

Ruby Booleans

Achievement

Build a Bank Account Class

Ruby Objects and Classes

Achievement

Ruby Variables and Methods

Ruby Objects and Classes

Achievement

Ruby Objects and Classes

Ruby Objects and Classes

Achievement

Build a Simple Contact List

Ruby Loops

Achievement

Ruby Iteration

Ruby Loops

Achievement

Ruby Loops

Ruby Loops

Achievement

Build a Grocery List Program

Ruby Collections

Achievement

Ruby Hashes

Ruby Collections

Achievement

Ruby Arrays

Ruby Collections

Achievement

Ruby Logical Operators

Ruby Operators and Control Structures

Achievement

Ruby Control Structures

Ruby Operators and Control Structures

Achievement

Ruby Operators

Ruby Operators and Control Structures

Achievement

Ruby Methods

Ruby Basics (Retired)

Achievement

Ruby Numbers (Ruby Basics)

Ruby Basics (Retired)

Achievement

Ruby Strings (Ruby Basics)

Ruby Basics (Retired)

Achievement

How Ruby Works

Ruby Basics (Retired)

Achievement

Improving your Gulp Workflow

Gulp Basics

Achievement

Compile Sass with Gulp

Gulp Basics

Achievement

Gulp your JavaScript workflow!

Gulp Basics

Achievement

Welcome to Gulp.js

Gulp Basics

Achievement

Using Relationship Tables

Using PHP with MySQL

Achievement

Filtering Input for Queries

Using PHP with MySQL

Achievement

Querying the Database

Using PHP with MySQL

Achievement

Connecting to MySQL

Using PHP with MySQL

Achievement

Doing More with Express

Express Basics (2015)

Achievement

Serving Static Files in Express

Express Basics (2015)

Achievement

Using Templates with Express

Express Basics (2015)

Achievement

The Request and Response Objects in Express

Express Basics (2015)

Achievement

Developing Express Apps Like a Boss

Express Basics (2015)

Achievement

Getting Started with Express

Express Basics (2015)

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

Building a Command Line Application

Node.js Basics (2014)

Achievement

Introduction to Node.js

Node.js Basics (2014)

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

Using a jQuery Carousel

Using jQuery Plugins

Achievement

Add a Sticky Navigation Bar

Using jQuery Plugins

Achievement

Introducing jQuery Plugins

Using jQuery Plugins

Achievement

Creating a Simple Drawing Application

jQuery Basics (2014)

Achievement

Design a Better App

Build a JavaFX Application

Achievement

Graphical User Interfaces

Build a JavaFX Application

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

Delivering the MVP

Java Objects (Retired)

Achievement

Creating the MVP

Java Objects (Retired)

Achievement

Harnessing the Power of Objects

Java Objects (Retired)

Achievement

Meet Objects

Java Objects (Retired)

Achievement

Perfecting the Prototype

Java Basics

Achievement

Using your New Tools

Java Basics

Achievement

Getting Started with Java

Java Basics

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

JavaScript Numbers

JavaScript Basics (Retired)

Achievement

JavaScript Variables

JavaScript Basics (Retired)

Achievement

Introducing JavaScript

JavaScript Basics (Retired)

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

Database Security

PHP & Databases with PDO

Achievement

Queries & Results

PHP & Databases with PDO

Achievement

Getting Started with PDO

PHP & Databases with PDO

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

Creating the Initial Screen Layout

Build a Simple Android App (2014)

Achievement

Getting Started with Android

Build a Simple Android App (2014)

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

Contact Forms & Mailers

Building Websites with PHP

Achievement

Slim and Templates

Building Websites with PHP

Achievement

Installing MySQL Server and MySQL Workbench

Database Foundations

Achievement

Introduction to Data, Databases and SQL

Database Foundations

Achievement

Dependency Management

Building Websites with PHP

Achievement

PHP Inheritance & Interfaces

Object-Oriented PHP Basics (Retired)

Achievement

PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

Achievement

PHP Properties & Methods

Object-Oriented PHP Basics (Retired)

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

Forms

HTML

Achievement

Tables

HTML

Achievement

Objects

HTML

Achievement

Links

HTML

Achievement

Lists

HTML

Achievement

Text

HTML

Achievement

Introduction

HTML

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

CSS: Cascading Style Sheets

How to Make a Website

Achievement

HTML First

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

Creating HTML Content

How to Make a Website

Achievement

Beginning HTML and CSS

How to Make a Website

Achievement

Newbie