Achievement

Setting Up Authorization in PHP

Introduction to User Authentication in PHP

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Building WordPress Template Tags, Widgets, and Shortcodes

How to Build a WordPress Plugin

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Launching and Supporting a WordPress Plugin

How to Build a WordPress Plugin

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Connecting WordPress Plugins with 3rd Party APIs

How to Build a WordPress Plugin

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Building Authentication in PHP

Introduction to User Authentication in PHP

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Going Further with HTML

HTML Basics

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Images, Text and Links

HTML Basics

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Structuring Your Content

HTML Basics

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Building a WordPress Plugin Settings Page

How to Build a WordPress Plugin

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How WordPress Plugins Work

How to Build a WordPress Plugin

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Introducing Financial Statements

Financial Statement Basics

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Common Commands

Introduction to the Terminal

Achievement

Directories and Files

Introduction to the Terminal

Achievement

The Command Shell

Introduction to the Terminal

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Getting the REST You Need 2

Introduction to REST APIs

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Playing a Counting Game

Introduction to Algorithms

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UX Content Attributes

UX Content Strategy

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Dockerize a Web App

Introduction to Docker

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Managing Images and Containers

Introduction to Docker

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Building Images Using Dockerfiles

Introduction to Docker

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Fundamentals of Docker

Introduction to Docker

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Docker Use Cases

Introduction to Docker

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Getting Started With Spreadsheets

Spreadsheet Basics

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Introducing Spreadsheets

Spreadsheet Basics

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UX Content Basics

UX Content Strategy

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Building a Flashcard App

Vue.js Basics

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Exploring Best Practices

Introduction to Selenium

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Test Drive

Introduction to Selenium

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Meet Selenium

Introduction to Selenium

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Improving Quality Assurance Practices

Introduction to QA Engineering

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Bug Reporting

Introduction to QA Engineering

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Executing Tests

Introduction to QA Engineering

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How to Make Wireframes in Adobe XD

Introduction to Wireframing

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How to Make Wireframes in Sketch

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How to Make Wireframes in Balsamiq

Introduction to Wireframing

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How to Make Wireframes on Paper

Introduction to Wireframing

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What is Wireframing?

Introduction to Wireframing

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Writing Manual Test Cases

Introduction to QA Engineering

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Why We Test

Introduction to QA Engineering

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Meet Lists

Introducing Lists

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Writing a Classifier

Machine Learning Basics

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Machine Learning Vocabulary

Machine Learning Basics

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All Together Now

Python Basics

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Functions and Looping

Python Basics

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Types and Branching

Python Basics

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Introduction to Machine Learning

Machine Learning Basics

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Meet Python

Python Basics

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Communicating with a RESTful API

Using the GitHub API with PHP

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Sweeping Vues: Loops, Methods, Directives

Vue.js Basics

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Main Principles

Information Architecture

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What is Information Architecture?

Information Architecture

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What a Beautiful Vue!

Vue.js Basics

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Finishing the Game

Introducing JavaScript

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Introducing JavaScript

Introducing JavaScript

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JavaScript Tools and Workflows

The Landscape of JavaScript

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JavaScript is Everywhere

The Landscape of JavaScript

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JavaScript Frameworks, Libraries, and Developer Roles

The JavaScript Ecosystem

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JavaScript Outside of the Browser

The JavaScript Ecosystem

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GitHub and Other Remote Repositories

Introduction to Git

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Managing Committed Files

Introduction to Git

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JavaScript Objects and Conditionals

JavaScript Quickstart

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Practice forEach

Practice forEach in JavaScript

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JavaScript Arrays and Loops

JavaScript Quickstart

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JavaScript Functions

JavaScript Quickstart

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Data Types and Variables

JavaScript Quickstart

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First Commits

Introduction to Git

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Introducing Vue

Vue.js Basics

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Exterminator

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Extending the Family

Extending Object-Oriented PHP

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Inheritance

Extending Object-Oriented PHP

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Building a Collection

Object-Oriented PHP Basics

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Building the Recipe

Object-Oriented PHP Basics

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Understanding Classes

Object-Oriented PHP Basics

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Why Object-Oriented Programming?

Object-Oriented PHP Basics

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Environment Variables

Environment Variables with PHP

Achievement

Vulnerabilities: Injection, XSS, CSRF

OWASP Top 10 Vulnerabilities

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Custom Dashboard Widgets

Customizing the WordPress Admin Area

Achievement

Controlling Admin Navigation

Customizing the WordPress Admin Area

Achievement

Customizing the Login Screen

Customizing the WordPress Admin Area

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The OWASP Top 10 Explained

OWASP Top 10 Vulnerabilities

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Introducing Data Analysis

Data Analysis Basics

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Admin Color Schemes

Customizing the WordPress Admin Area

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Hooking Into WordPress Plugins

WordPress Hooks - Actions and Filters

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Action Functions in WordPress

WordPress Hooks - Actions and Filters

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Filter Functions in WordPress

WordPress Hooks - Actions and Filters

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An Overview of Hooks in WordPress

WordPress Hooks - Actions and Filters

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A Template Hierarchy Review

The WordPress Template Hierarchy

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Media Templates in WordPress

The WordPress Template Hierarchy

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Custom Post Type Templates

The WordPress Template Hierarchy

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Archive Templates in WordPress

The WordPress Template Hierarchy

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Page and Post Templates in WordPress

The WordPress Template Hierarchy

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Homepage Templates in WordPress

The WordPress Template Hierarchy

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Core WordPress Theme Files

The WordPress Template Hierarchy

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How WordPress Templates Work

The WordPress Template Hierarchy

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More Advanced PHP for WordPress

PHP for WordPress

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PHP Basics for WordPress

PHP for WordPress

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ES2015 Basics

Introducing ES2015

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Maintaining Secure Web Apps

Introduction to Application Security

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Protecting Data and Keeping Attackers Out

Introduction to Application Security

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Why Protect Your Web Apps

Introduction to Application Security

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Loops and Final Touches

C# Objects

Achievement

Encapsulation with Properties

C# Objects

Achievement

Encapsulation and Arrays

C# Objects

Achievement

Inheritance

C# Objects

Achievement

Date and Time Functions

Reporting with SQL

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Aggregate and Numeric Functions

Reporting with SQL

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Installing WordPress Locally

Installing WordPress Locally

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Working with Text

Reporting with SQL

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Rehearsal and Delivery

Presentation Skills

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Creating and Refining

Presentation Skills

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Preparing to Present

Presentation Skills

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Security in Practice

Security Literacy

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Common Attacks and Defenses

Security Literacy

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Hello Internet!

Security Literacy

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Security: Solutions

Introduction to Data Security

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Security: Concerns

Introduction to Data Security

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Why React Native

Introduction to React Native

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What is Big Data

Introduction to Big Data

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Getting Started With HTML

HTML Basics

Achievement

Reflections

Lighting in Unity

Achievement

Global Illumination

Lighting in Unity

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Shadows

Lighting in Unity

Achievement

Lighting Basics

Lighting in Unity

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Camera Switching

Cameras in Unity

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Camera Movement

Cameras in Unity

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Image Effects

Cameras in Unity

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Camera Basics

Cameras in Unity

Achievement

Scripting Materials

Materials in Unity

Achievement

Additional Textures in the Standard Shader

Materials in Unity

Achievement

Textures in the Standard Shader

Materials in Unity

Achievement

Understanding Materials

Materials in Unity

Achievement

Exporting Models Into Unity

3D Art with Maya LT

Achievement

Scene File Organization and Clean-up

3D Art with Maya LT

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Adding Surface Detail to a Model

3D Art with Maya LT

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Optimizing the Model

3D Art with Maya LT

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Box Modeling Techniques

3D Art with Maya LT

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Working with Primitives

3D Art with Maya LT

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Getting Started in Maya LT

3D Art with Maya LT

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Key Concepts in Unity

Unity Basics

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Debugging Games

Unity Basics

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Lights, Audio, and Animation

Unity Basics

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Assets and Game Objects

Unity Basics

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The 3D Views

Unity Basics

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Build and Share a Unity Game

How to Make a Video Game

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Game Audio

How to Make a Video Game

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Score, Enemies, and Game State

How to Make a Video Game

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Pickups

How to Make a Video Game

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Player Input and Cameras

How to Make a Video Game

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The Unity Editor and Scene Setup

How to Make a Video Game

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Introduction to Video Games

How to Make a Video Game

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Creating a Command Line Weather Application

Node.js Basics 2017

Achievement

Handling Errors in Node

Node.js Basics 2017

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PHP on the Web

PHP Basics

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Daily Exercise Program

PHP Basics

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Unit Converter

PHP Basics

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Getting to Know PHP

PHP Basics

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Getting Data From an API With Node

Node.js Basics 2017

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Introduction to Node.js

Node.js Basics 2017

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Ordering, Limiting and Paging Results

Reporting with SQL

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Improving your Gulp Workflow

Gulp Basics

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Compile Sass with Gulp

Gulp Basics

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Gulp your JavaScript workflow!

Gulp Basics

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Welcome to Gulp.js

Gulp Basics

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Updating and Uninstalling Packages with npm

npm Basics (retiring)

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Installing Packages with npm

npm Basics (retiring)

Achievement

What is npm?

npm Basics (retiring)

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Dictionaries in Swift

Swift Collections and Control Flow

Achievement

Introduction to Collections

Swift Collections and Control Flow

Achievement

Swift Operators

Swift Basics

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Swift Types

Swift Basics

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An Introduction to Swift Programming

Swift Basics

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Editing and Filtering Names

DOM Scripting By Example

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WordPress User Roles

WordPress User Roles

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WordPress Plugins

WordPress Basics

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WordPress Themes

WordPress Basics

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The WordPress Customizer

WordPress Basics

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Managing Media in WordPress

WordPress Basics

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Managing Content in WordPress

WordPress Basics

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How to Install WordPress on Your Computer

How to Install WordPress on Your Computer

Achievement

What Is WordPress?

What Is WordPress?

Achievement

Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Achievement

Adding and Removing Names

DOM Scripting By Example

Achievement

Handling Errors When Manipulating Data

Modifying Data with SQL

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Deleting Data from a Database

Modifying Data with SQL

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Updating Data in a Database

Modifying Data with SQL

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Adding Data to a Database

Modifying Data with SQL

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Relating Models

Laravel 4 Basics

Achievement

Laravel CRUD

Laravel 4 Basics

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Validation & Flash Messages

Laravel 4 Basics

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Laravel Forms

Laravel 4 Basics

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Laravel & Databases

Laravel 4 Basics

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Laravel Controllers

Laravel 4 Basics

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Laravel Project Setup

Laravel 4 Basics

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Methods

C# Objects

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Object-Oriented Programming

C# Objects

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Workflows

Git Basics

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Working With Remote Repositories

Git Basics

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Merging

Git Basics

Achievement

Branches

Git Basics

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Getting Started With Git

Git Basics

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Installing Programs

Console Foundations

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Environment and Redirection

Console Foundations

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Console Processes

Console Foundations

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Console Users and Permission

Console Foundations

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Moving Around in the Console

Console Foundations

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Test Doubles

PHP Testing

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Acceptance Tests

PHP Testing

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Organizing your Tests

PHP Testing

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Creating Your Tests

PHP Testing

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Tools for Testers

PHP Testing

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How To Test Our Code

PHP Testing

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Contact Forms & Mailers

Building Websites with PHP

Achievement

Slim and Templates

Building Websites with PHP

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PHPDB Stage 5: Search

Integrating PHP with Databases

Achievement

PHPDB Stage 4: Pagination with LIMITs

Integrating PHP with Databases

Achievement

Finding the Data You Want

SQL Basics

Achievement

Getting Data from a Database

SQL Basics

Achievement

Data, Databases and SQL

SQL Basics

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PHP Email Form Errors

Build a Basic PHP Website (2018)

Achievement

PHP Email Forms

Build a Basic PHP Website (2018)

Achievement

PHP Inventory

Build a Basic PHP Website (2018)

Achievement

PHP Includes

Build a Basic PHP Website (2018)

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

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

Controlling Layout with CSS Display Modes

CSS Layout Basics

Achievement

Getting Started with CSS Layout

CSS Layout Basics

Achievement

JavaScript Functions

JavaScript Basics (Retired)

Achievement

JavaScript Conditional Statements

JavaScript Basics (Retired)

Achievement

Why Version Control Matters

Git Basics

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Python For Beginners

Python Basics (2015)

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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

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Design a Better App

Build a JavaFX Application

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Graphical User Interfaces

Build a JavaFX Application

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How it Works

Local Development Environments

Achievement

Organizing Data

Java Data Structures

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Getting There

Java Data Structures

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Delivering the MVP

Java Objects (Retired)

Achievement

Creating the MVP

Java Objects (Retired)

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Harnessing the Power of Objects

Java Objects (Retired)

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Meet Objects

Java Objects (Retired)

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Perfect

C# Basics (Retired)

Achievement

Perform

C# Basics (Retired)

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Console I/O

C# Basics (Retired)

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Prepare and Plan

C# Basics (Retired)

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What is User Experience (UX)?

UX Basics

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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

Computer Languages

Computer Basics

Achievement

Computer Basics

Computer Basics

Achievement

Introducing jQuery Plugins

Using jQuery Plugins

Achievement

MASH JavaScript

Treehouse Club - MASH

Achievement

AJAX and APIs

AJAX Basics (retiring)

Achievement

jQuery and AJAX

AJAX Basics (retiring)

Achievement

Flexbox Layout

CSS Layout Techniques

Achievement

Programming AJAX

AJAX Basics (retiring)

Achievement

AJAX Concepts

AJAX Basics (retiring)

Achievement

Build and Share a Unity Game

How to Make a Video Game

Achievement

Game Audio

How to Make a Video Game

Achievement

Score, Enemies, and Game State

How to Make a Video Game

Achievement

Pickups

How to Make a Video Game

Achievement

Player Input and Cameras

How to Make a Video Game

Achievement

The Unity Editor and Scene Setup

How to Make a Video Game

Achievement

Introduction to Video Games

How to Make a Video Game

Achievement

Getting Started with Sass

Sass Basics (retired)

Achievement

MASH CSS

Treehouse Club - MASH

Achievement

Rails Frontend Development

Build a Simple Ruby on Rails Application

Achievement

Installing Sass and Setting up the Project

CSS to Sass

Achievement

The Internet

How the Internet Works

Achievement

Getting Started With Rails

Build a Simple Ruby on Rails Application

Achievement

Build a Website With Foundation

Framework Basics

Achievement

Prototyping With Foundation

Framework Basics

Achievement

Database Security

PHP & Databases with PDO

Achievement

Queries & Results

PHP & Databases with PDO

Achievement

Getting Started with PDO

PHP & Databases with PDO

Achievement

Introduction to Front-End Frameworks

Framework Basics

Achievement

JavaScript Numbers

JavaScript Basics (Retired)

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

Installing a Ruby Development Environment

Installing a Ruby Development Environment

Achievement

Dependency Management

Building Websites with PHP

Achievement

PHP Inheritance & Interfaces

Object-Oriented PHP Basics (Retired)

Achievement

Databases and International Concerns

PHP Standards and Best Practices

Achievement

PHP Properties & Methods

Object-Oriented PHP Basics (Retired)

Achievement

Starting Right with PHP Best Practices

PHP Standards and Best Practices

Achievement

Overview of the WordPress Customizer

WordPress Customizer API

Achievement

Better SEO Through Content

SEO Basics

Achievement

Introduction to SEO

SEO Basics

Achievement

Moving from WordPress.com to Self-Hosted WordPress.org

Moving from WordPress.com to Self-Hosted WordPress.org

Achievement

Local WordPress Development

Local WordPress Development

Achievement

Finishing Your WordPress Theme

WordPress Theme Development

Achievement

Custom Homepage Templates in WordPress

WordPress Theme Development

Achievement

Adding a Blog to a WordPress Theme

WordPress Theme Development

Achievement

Custom Post Type Templates

WordPress Theme Development

Achievement

Building Out WordPress Navigation

WordPress Theme Development

Achievement

Building Page Templates in WordPress

WordPress Theme Development

Achievement

The WordPress Loop

WordPress Theme Development

Achievement

WordPress Header and Footer Templates

WordPress Theme Development

Achievement

Working with CSS and JS in WordPress Themes

WordPress Theme Development

Achievement

Starting a WordPress Theme

WordPress Theme Development

Achievement

Introduction to PHP for WordPress

PHP for WordPress

Achievement

Custom Post Types and Fields

How to Make a Website with WordPress

Achievement

Customizing WordPress Themes

How to Make a Website with WordPress

Achievement

WordPress Themes

How to Make a Website with WordPress

Achievement

Installing Wordpress

How to Make a Website with WordPress

Achievement

Finding Good WordPress Plugins and Themes

How to Build a WordPress Blog Without Coding

Achievement

Managing Comments on a WordPress Blog

How to Build a WordPress Blog Without Coding

Achievement

Working with Media in WordPress Blogs

How to Build a WordPress Blog Without Coding

Achievement

Posts and Pages in WordPress

How to Build a WordPress Blog Without Coding

Achievement

Blogging with WordPress Overview

How to Build a WordPress Blog Without Coding

Achievement

Getting Started with WordPress

Getting Started with WordPress

Achievement

Querying the Database

Using PHP with MySQL

Achievement

Starting a Freelance Career

How to Freelance

Achievement

Cleaning URLs with Subfolders

Enhancing a Simple PHP Application

Achievement

Integrating Validation Errors

Enhancing a Simple PHP Application

Achievement

Connecting to MySQL

Using PHP with MySQL

Achievement

Perfecting the Prototype

Java Basics

Achievement

Using your New Tools

Java Basics

Achievement

Getting Started with Java

Java Basics

Achievement

Art Direction with the Picture Element

Responsive Images

Achievement

WWW

How the Web Works

Achievement

PHP Internal Functions

PHP Functions

Achievement

Image Delivery with Srcset and Sizes

Responsive Images

Achievement

Web Apps

Accessibility

Achievement

Websites

Accessibility

Achievement

Introduction

Accessibility

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

Choosing Options

HTML Forms

Achievement

Organizing Forms

HTML Forms

Achievement

Form Basics

HTML Forms

Achievement

PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

Achievement

PHP Returns & Closures

PHP Functions

Achievement

PHP Functions Basics

PHP Functions

Achievement

Treehouse Club - JavaScript

Treehouse Club: JavaScript

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

Laravel Getting Started

Laravel 4 Basics

Achievement

Working with PHP Functions

Build a Simple PHP Application

Achievement

PHP Loops

PHP Basics (Retired)

Achievement

PHP Conditionals

PHP Basics (Retired)

Achievement

PHP Datatypes

PHP Basics (Retired)

Achievement

Creating a Simple Lightbox

jQuery Basics (2014)

Achievement

Creating a Spoiler Revealer

jQuery Basics (2014)

Achievement

MASH HTML

Treehouse Club - MASH

Achievement

Introduction to jQuery

jQuery Basics (2014)

Achievement

PHP Data & Structure

PHP Basics (Retired)

Achievement

PHP Getting Started

PHP Basics (Retired)

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

Fundamental Concepts

CSS Basics (2014)

Achievement

Designing with the Latest Features

CSS Basics (2014)

Achievement

Integrating With Paypal

Build a Simple PHP Application

Achievement

Listing Inventory Items

Build a Simple PHP Application

Achievement

JavaScript Variables

JavaScript Basics (Retired)

Achievement

Introducing JavaScript

JavaScript Basics (Retired)

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

Adding a Contact Form

Build a Simple PHP Application

Achievement

Creating the Menu and Footer

Build a Simple PHP Application

Achievement

Getting Started with PHP

Build a Simple PHP Application

Achievement

Functions

Introduction to Programming

Achievement

Objects and Arrays

Introduction to Programming

Achievement

Control Structures

Introduction to Programming

Achievement

Basics

Introduction to Programming

Achievement

Forms

HTML

Achievement

Tables

HTML

Achievement

Objects

HTML

Achievement

Links

HTML

Achievement

Lists

HTML

Achievement

Text

HTML

Achievement

Introduction

HTML

Achievement

Creating an SVG

SVG Basics

Achievement

Introduction to SVG

SVG Basics

Achievement

Getting Started with Android

Build a Simple Android App (2014)

Achievement

Getting Started with CSS

CSS Basics (2014)

Achievement

Responsive Web Design and Testing

How to Make a Website

Achievement

Debugging HTML and CSS Problems

How to Make a Website

Achievement

Sharing a Website

How to Make a Website

Achievement

Structuring Tables

HTML Tables

Achievement

Table Basics

HTML Tables

Achievement

Welcome to the Treehouse Club

Treehouse Club: HTML

Achievement

Treehouse Club - CSS

Treehouse Club: CSS

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

HTML First

How to Make a Website

Achievement

Beginning HTML and CSS

How to Make a Website

Achievement

Newbie