Ruby on Rails Demos-n-Deets

Project Setup

• Development Environment: Setting Up a Computer for Rails-based Web Development
• Running Apps: Initializing and Executing the Demo Apps
• New Projects: Generating and Configuring a New Rails Web App

Webpage Basics

• Webpages: Adding a Page to the App
• Tables: Adding a Table to a Page
• Titles: Customizing the Title Metadata Shown in Browser Tabs
• Images: Adding an Image to a Page
• Root Routes: Setting the Root Page of the App
• Internal Links: Hyperlinking to a Page within the App
• External Links: Hyperlinking to an External Website
• Controller Tests: Creating an Automated Test for a Webpage

Model Basics

• Model Classes: Creating a Model Class and Seeding the Database
• Index Pages: Displaying Multiple Model Objects
• Show Pages: Displaying Individual Model Objects

Model Tests and Validations

• Model Tests: Creating Test Fixtures and Automated Model Tests
• Presence Validations: Ensuring That an Attribute Value Is Not Left Blank
• Length Validations: Ensuring That a String Attribute Is of Appropriate Length
• Numericality Validations: Ensuring That a Number Attribute Has Specified Properties
• Inclusion Validations: Ensuring That an Attribute Value Is One of a Fixed Set of Values
• Custom Validations: Creating a Custom Validation when the Predefined Helpers Won't Do

Forms and Actions for Managing Model Objects

• New/Create Forms: Creating and Saving New Model Objects with Forms
• Edit/Update Forms: Updating Model Objects with Forms
• Destroy Actions: Deleting Model Records
• Form Partials: Refactoring New and Edit Forms Into a Single Form

Model Associations

• One-to-Many Associations: Creating a One-to-Many Association between Model Classes
• Nested-Resource Pages: Creating Pages and UI Features for CRUDing Model Classes with a One-to-Many Association
• Many-to-Many Associations: Creating a Many-to-Many Association between Model Classes

Authentication

• Authentication: Adding User Authentication with Devise
• Resource Ownership: Restricting Write-Access to Owned Resources

Prerequisite Technologies

• Unix: How to Use the Unix Shell Command-Line
• Ruby: Helpful Resources for Learning the Ruby Programming Language
• HTML: Some Basic HTML Elements Used in the Demos

Web Development with Rails

• MVC: How Rails Applies the Model-View-Controller Pattern to Process Browser Requests
• ERB: How Embedded Ruby Is Used to Render HTML
• Flash Notifications: How Sessions and the Flash Are Used to Display Notification Messages
• Navbar: Using Bootstrap to Implement a Navbar