Achievement

Using Associations in Your App

Active Record Associations in Rails

Achievement

Active Record Associations

Active Record Associations in Rails

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

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

A Route to a Delete Action

Rails Routes and Resources

Achievement

Routes to Update Actions

Rails Routes and Resources

Achievement

Routes for Create Actions

Rails Routes and Resources

Achievement

A Route to a Read Action

Rails Routes and Resources

Achievement

Rails Resource Index

Rails Routes and Resources

Achievement

Practice Updating Resources

Practice Ruby on Rails Basics

Achievement

Practice CRUD Operations

Practice Ruby on Rails Basics

Achievement

Practice Creating Scaffolds

Practice Ruby on Rails Basics

Achievement

Adding a Model Attribute

Ruby on Rails 5 Basics

Achievement

Using the Rails Console

Ruby on Rails 5 Basics

Achievement

Handling Rails Requests

Ruby on Rails 5 Basics

Achievement

Creating Rails Apps

Ruby on Rails 5 Basics

Achievement

Sinatra Finishing Touches

Building Web Apps with Sinatra

Achievement

Updating Data in Sinatra

Building Web Apps with Sinatra

Achievement

Adding New Data in Sinatra

Building Web Apps with Sinatra

Achievement

Going Further with Grid Layout

CSS Grid Layout

Achievement

Flexible Sized Grids

CSS Grid Layout

Achievement

Introducing Grid Layout

CSS Grid Layout

Achievement

Sinatra ERB Templates

Building Web Apps with Sinatra

Achievement

Creating New Sinatra Apps

Building Web Apps with Sinatra

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

Ruby Blocks

Ruby Blocks

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 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

Finding the Data You Want

SQL Basics

Achievement

Building Forms With Bootstrap

Bootstrap Basics

Achievement

Using Bootstrap Components

Bootstrap Basics

Achievement

Responsive Layouts With the Bootstrap Grid

Bootstrap Basics

Achievement

Getting to Know Bootstrap 4

Bootstrap Basics

Achievement

Building a Layout with Flexbox

CSS Flexbox Layout

Achievement

Flexbox Properties

CSS Flexbox Layout

Achievement

Understanding Flexbox

CSS Flexbox Layout

Achievement

Responsive Patterns

Responsive Layouts

Achievement

Media Queries

Responsive Layouts

Achievement

Mobile-First CSS Layout

Mobile-First CSS Layout

Achievement

CSS Media Queries

CSS Layout

Achievement

CSS Layout Techniques

CSS Layout

Achievement

Refactoring and Modularizing a REST API

REST APIs with Express

Achievement

Create, Read, Update, Delete

REST APIs with Express

Achievement

Managing Data and Asynchronous Code

REST APIs with Express

Achievement

Getting to Know REST APIs

REST APIs with Express

Achievement

Asynchronous Code in Express

Asynchronous Code in Express

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

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

Making the Game Interactive

Object-Oriented JavaScript: Challenge

Achievement

Rendering the Game

Object-Oriented JavaScript: Challenge

Achievement

Building Constructor Methods and Generating Objects

Object-Oriented JavaScript: Challenge

Achievement

Introducing 'Four in a Row'

Object-Oriented JavaScript: Challenge

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

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

Programming AJAX

AJAX Basics

Achievement

AJAX Concepts

AJAX Basics

Achievement

Traversing the DOM

Interacting with the DOM

Achievement

Responding to User Interaction

Interacting with the DOM

Achievement

Making Changes to the DOM

JavaScript and the DOM

Achievement

Getting a Handle on the DOM

JavaScript and the DOM

Achievement

JavaScript Tools and Workflows

The Landscape of JavaScript

Achievement

JavaScript is Everywhere

The Landscape of JavaScript

Achievement

Arrow Functions

JavaScript Functions

Achievement

Pass Information Into Functions

JavaScript Functions

Achievement

Create Reusable Code with Functions

JavaScript Functions

Achievement

Loop Through Arrays

JavaScript Arrays

Achievement

Store Multiple Values in an Array

JavaScript Arrays

Achievement

The Browser Environment

JavaScript and the DOM

Achievement

Loop Through Objects

JavaScript Objects

Achievement

Object Basics

JavaScript Objects

Achievement

The Math Object

JavaScript Numbers

Achievement

Working with Numbers

JavaScript Numbers

Achievement

Making Decisions in Your Code with Conditional Statements

JavaScript Basics

Achievement

Box Model Concepts

CSS Layout

Achievement

The CSS Box Model

CSS Layout

Achievement

Fundamental Concepts

CSS Basics

Achievement

Understanding Values and Units

CSS Basics

Achievement

Basic Selectors

CSS Basics

Achievement

Getting Started with CSS

CSS Basics

Achievement

Working With Strings

JavaScript Basics

Achievement

Storing and Tracking Information with Variables

JavaScript Basics

Achievement

Hello, JavaScript!

JavaScript Basics

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

Retrieving Restaurant Details Using Operations

Build a Restaurant Reviews App

Achievement

Simplifying Networking Code

Build a Restaurant Reviews App

Achievement

Obtaining a Location Fix

Build a Restaurant Reviews App

Achievement

Authorization with Third Party Libraries

Build a Restaurant Reviews App

Achievement

Error Handling

Parsing JSON Using Codable

Achievement

Dynamic Keys and Inheritance

Parsing JSON Using Codable

Achievement

Parsing Different JSON Structures

Parsing JSON Using Codable

Achievement

Parsing to Non-Primitive Types

Parsing JSON Using Codable

Achievement

An Overview of Codable

Parsing JSON Using Codable

Achievement

Downloading Album Artwork

Build An iTunes Search App

Achievement

Requesting Real Data

Build An iTunes Search App

Achievement

Responsive Theory

Responsive Layouts

Achievement

Fundamental Concepts

CSS Basics (2014)

Achievement

Designing with the Latest Features

CSS Basics (2014)

Achievement

Enhancing the iTunes Endpoint

Build An iTunes Search App

Achievement

URLs and Parameter Encoding

Build An iTunes Search App

Achievement

Building the User Interface

Build An iTunes Search App

Achievement

Basic Layout

CSS Basics (2014)

Achievement

Basic Selectors

CSS Basics (2014)

Achievement

Selectors - Beyond the Basics

CSS Selectors

Achievement

Modeling iTunes Search Results

Build An iTunes Search App

Achievement

Decoupling the Data Source

Introduction to Table Views

Achievement

Sorting Contacts Into Sections

Introduction to Table Views

Achievement

Static Table Views for Detail Interfaces

Introduction to Table Views

Achievement

Displaying Contact Data

Introduction to Table Views

Achievement

A High Level Overview

Introduction to Table Views

Achievement

Dark Sky API Client

Build a Weather App

Achievement

The Box Model

CSS Basics (2014)

Achievement

Understanding Values and Units

CSS Basics (2014)

Achievement

Downloading JSON Data Asynchronously

Build a Weather App

Achievement

Fetching Data From the Web

Build a Weather App

Achievement

Modeling Forecast Data

Build a Weather App

Achievement

Error Handling and Memory Management

Closures in Swift

Achievement

Building Standard Library Functions

Closures in Swift

Achievement

Getting Started with CSS

CSS Basics (2014)

Achievement

Getting Started With HTML

HTML Basics

Achievement

Going Further with HTML

HTML Basics

Achievement

Images, Text and Links

HTML Basics

Achievement

Structuring Your Content

HTML Basics

Achievement

Closure Expressions

Closures in Swift

Achievement

Angular Form Validation

Angular Basics

Achievement

Angular Basic Forms

Angular Basics

Achievement

Services in Angular

Angular Basics

Achievement

Angular Components

Angular Basics

Achievement

Setting Up an Angular Application

Angular Basics

Achievement

First Class Functions

Closures in Swift

Achievement

Generics and Protocols

Generics in Swift

Achievement

Generic Types

Generics in Swift

Achievement

Generic Functions, Parameters and Constraints

Generics in Swift

Achievement

Adding Sound Effects

Build an Interactive Story App with Swift

Achievement

Personalizing The Story

Build an Interactive Story App with Swift

Achievement

Refactoring Our Code

Build an Interactive Story App with Swift

Achievement

Creating the User Interface Programmatically

Build an Interactive Story App with Swift

Achievement

Creating a Story

Build an Interactive Story App with Swift

Achievement

Navigating Through An Adventure

Build an Interactive Story App with Swift

Achievement

Persisting Data with Hibernate

Hibernate Basics

Achievement

Getting Started with Hibernate

Hibernate Basics

Achievement

Using the Delegate Pattern in iOS

Delegation in iOS

Achievement

The Delegate Pattern

Delegation in iOS

Achievement

Writing Great Swift

API Design Guidelines in Swift

Achievement

Access Control

Intermediate Swift

Achievement

Memory Management in Swift

Intermediate Swift

Achievement

Extensions and Protocols

Intermediate Swift

Achievement

Value Semantics, Type Methods and Inheritance

Intermediate Swift

Achievement

Object Initialization

Intermediate Swift

Achievement

Properties

Intermediate Swift

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

Displaying Additional Views

Build a Vending Machine App in Swift

Achievement

Using the Vending Machine

Build a Vending Machine App in Swift

Achievement

Using the MVC Architecture with Spring

Spring Basics

Achievement

Modeling, Storing, and Presenting Data with Spring

Spring Basics

Achievement

Loading Data From a Resource

Build a Vending Machine App in Swift

Achievement

Using Java's Built-In Annotations

Java Annotations

Achievement

Bells and Whistles

Intro to Java Web Development with Spark

Achievement

What is Big Data

Introduction to Big Data

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

Modeling an Interface

Build a Vending Machine App in Swift

Achievement

Diving into Web Development

Intro to Java Web Development with Spark

Achievement

Error Handling

Error Handling in Swift

Achievement

Introducing Fragments

Android Fragments

Achievement

Introducing SharedPreferences

Android Activity Lifecycle

Achievement

The Project

Android Activity Lifecycle

Achievement

The Activity Lifecycle

Android Activity Lifecycle

Achievement

Creating Flexible Objects Using Protocols

Protocols in Swift

Achievement

Protocol Basics

Protocols in Swift

Achievement

Objects and Optionals

Enumerations and Optionals in Swift

Achievement

Introduction to Optionals

Enumerations and Optionals in Swift

Achievement

Running Apps on a Device

Build a Simple iPhone App with Swift

Achievement

Introduction to Enumerations

Enumerations and Optionals in Swift

Achievement

Improving Our User Interface

Build a Simple iPhone App with Swift

Achievement

Structs As Data Models

Build a Simple iPhone App with Swift

Achievement

View Controllers and Views

Build a Simple iPhone App with Swift

Achievement

Getting Started with iOS Development

Build a Simple iPhone App with Swift

Achievement

Differentiating Between Objects

Object-Oriented Swift

Achievement

Class Inheritance

Object-Oriented Swift

Achievement

Classes in Swift

Object-Oriented Swift

Achievement

Complex Data Structures

Object-Oriented Swift

Achievement

Adding Power to Functions

Functions in Swift

Achievement

Functions in Swift

Functions in Swift

Achievement

Control Flow With Conditional Statements

Swift Collections and Control Flow

Achievement

Control Flow With Loops

Swift Collections and Control Flow

Achievement

Dictionaries in Swift

Swift Collections and Control Flow

Achievement

Introduction to Collections

Swift Collections and Control Flow

Achievement

Swift Operators

Swift Basics

Achievement

Swift Types

Swift Basics

Achievement

An Introduction to Swift Programming

Swift Basics

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

Tying It All together

Object-Oriented Objective-C

Achievement

Programming AJAX

AJAX Basics (retiring)

Achievement

AJAX Concepts

AJAX Basics (retiring)

Achievement

Hello, jQuery!

Introduction to jQuery

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

Diving Deeper

Object-Oriented Objective-C

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

Memory, Arrays and Loops, Oh My!

Object-Oriented Objective-C

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

Getting Oriented - Object-Oriented, That Is

Object-Oriented Objective-C

Achievement

Immersive Examples

Objective-C Basics

Achievement

Scope and Loops

Objective-C Basics

Achievement

More Operators

Objective-C Basics

Achievement

Operators and Conditionals

Objective-C Basics

Achievement

Arrays

C# Collections

Achievement

Data Types and Variables

Objective-C Basics

Achievement

Getting the REST You Need

REST API Basics

Achievement

Intro to Objective-C

Objective-C Basics

Achievement

Project Setup

ASP.NET MVC Basics

Achievement

Introduction to HTTP

HTTP Basics

Achievement

How To Test

Unit Testing in Java

Achievement

Why Test

Unit Testing in Java

Achievement

Creating Spring Controllers and Thymeleaf Views

Spring Basics

Achievement

Spring Components and Configuring Our App

Spring Basics

Achievement

Setting Up Your Local Environment for Spring Development

Spring Basics

Achievement

Getting Data from a Database

SQL Basics

Achievement

Data, Databases and SQL

SQL Basics

Achievement

Logic in Python

Python Basics (2015)

Achievement

Python Data Types

Python Basics (2015)

Achievement

Python For Beginners

Python Basics (2015)

Achievement

Introducing Scrum

Scrum Basics

Achievement

Using your New Tools

Java Basics

Achievement

What is Agile?

Scrum Basics

Achievement

Lists with RecyclerViews

Android Lists and Adapters (2015)

Achievement

Using Parcelable Data

Android Lists and Adapters (2015)

Achievement

Custom ListViews

Android Lists and Adapters (2015)

Achievement

Standard ListViews

Android Lists and Adapters (2015)

Achievement

Finishing the User Interface

Build an Interactive Story App (Retired)

Achievement

Hooking up the Model to the View

Build a Weather App (2015)

Achievement

Building the Weather UI

Build a Weather App (2015)

Achievement

Working with JSON

Build a Weather App (2015)

Achievement

Concurrency and Error Handling

Build a Weather App (2015)

Achievement

Networking

Build a Weather App (2015)

Achievement

Exploring an API

Build a Weather App (2015)

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

Achievement

Improving Our Code

Build a Simple Android App

Achievement

Basic Android Programming

Build a Simple Android App

Achievement

Creating the Screen Layout

Build a Simple Android App

Achievement

Getting Started with Android

Build a Simple Android App

Achievement

Getting Started with Java

Java Basics

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

Getting Data from the Web

Build a Blog Reader iPhone App

Achievement

Rebuilding from Scratch

Build a Blog Reader iPhone App

Achievement

Exploring the Master-Detail Template

Build a Blog Reader iPhone App

Achievement

Refactoring Our Code (objc)

Build a Playlist Browser with Objective-C

Achievement

Building the Master and Detail Views (objC)

Build a Playlist Browser with Objective-C

Achievement

Managing Playlist Data (objC)

Build a Playlist Browser with Objective-C

Achievement

Building a Music Library Model (objc)

Build a Playlist Browser with Objective-C

Achievement

Working With Multiple View Controllers (ObjC)

Build a Playlist Browser with Objective-C

Achievement

Deploying to a Device (ObjC)

Build a Simple iPhone App with Objective-C

Achievement

Debugging Our App (ObjC)

Build a Simple iPhone App with Objective-C

Achievement

Improving Our User Interface (ObjC)

Build a Simple iPhone App with Objective-C

Achievement

Creating a Data Model (ObjC)

Build a Simple iPhone App with Objective-C

Achievement

Views and View Controllers (ObjC)

Build a Simple iPhone App with Objective-C

Achievement

Getting Started with Xcode (ObjC)

Build a Simple iPhone App with Objective-C

Achievement

Beyond the Basics

Objective-C Basics (Retired)

Achievement

Advanced Objective-C

Objective-C Basics (Retired)

Achievement

Foundation Framework

Objective-C Basics (Retired)

Achievement

Introduction to Objective-C

Objective-C Basics (Retired)

Achievement

Pointers and Memory

Objective-C Basics (Retired)

Achievement

Functional Programming in C

Objective-C Basics (Retired)

Achievement

Fundamentals of C

Objective-C Basics (Retired)

Achievement

Collections

Swift Basics (retired)

Achievement

Operators

Swift Basics (retired)

Achievement

Types

Swift Basics (retired)

Achievement

Variables and Constants

Swift Basics (retired)

Achievement

Newbie