Achievement

Unit Testing

Unit Testing in C#

Achievement

Encapsulation and Arrays

C# Objects

Achievement

Inheritance

C# Objects

Achievement

Methods

C# Objects

Achievement

Object-Oriented Programming

C# Objects

Achievement

Perfect

C# Basics (Retired)

Achievement

Perform

C# Basics (Retired)

Achievement

Console I/O

C# Basics (Retired)

Achievement

Prepare and Plan

C# Basics (Retired)

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

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

Exploring Arrays

Introduction to Data Structures

Achievement

Security: Concerns

Introduction to Data Security

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

Security in Practice

Security Literacy

Achievement

Common Attacks and Defenses

Security Literacy

Achievement

Hello Internet!

Security Literacy

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

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

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

Setting up with Create React App

React by Example

Achievement

Meet Objects

Java Objects

Achievement

Perfecting the Prototype

Java Basics

Achievement

Using your New Tools

Java Basics

Achievement

Component Lifecycle

React Basics (retired)

Achievement

Getting Started with Java

Java Basics

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

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

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

Using a jQuery Carousel

Using jQuery Plugins

Achievement

Add a Sticky Navigation Bar

Using jQuery Plugins

Achievement

Introducing jQuery Plugins

Using jQuery Plugins

Achievement

DOM Traversal

Introduction to jQuery

Achievement

DOM Manipulation

Introduction to jQuery

Achievement

Events

Introduction to jQuery

Achievement

Hello, jQuery!

Introduction to jQuery

Achievement

Design Patterns

Prototyping in the Browser

Achievement

Page Layout

Prototyping in the Browser

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

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

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

Finishing the Game

Introducing JavaScript

Achievement

Introducing JavaScript

Introducing JavaScript

Achievement

Newbie