Slides for the presentation given at Kings of Code 2009

1. Introduction to
Ruby on Rails
by Menno van der Sman & Justin Halsall

2. Agenda
• History
• Unique Selling Points
• Key Components
• Building an application

3. History
• Created by David Heinemeier Hansson in
2003
• Extracted from Basecamp
• Since extended by an active community and
contributors

4. Unique Selling Points
• Ruby
• Expressive code, shorter development time
• Good ecosystem
• Convention over Configuration
• Stick to the Railsway
• Best practices
• MVC, DRY, TDD,REST

5. Key Components
• ActiveRecord
• ActionPack
• ActiveSupport
• Plugins & Gems

6. ActiveRecord
• Maps table to Model
• Migrations
• Provides CRUD
• Finders
• Database agnostic

7. ActionPack
• Controllers
• extends ActionController
• Actions
• Public method of controller
• Routing
• Mapping URL to controller/action
• Rendering

8. ActiveSupport
• Time & Dates
• Serialization
• Inflector
• Core Extensions

9. Plugins & Gems
• Gem package system
• Rails plugins
• Github & Rubyforge

10. Building an Application
• Setup your project
• Generate resources
• Customize
• Install plugins

11. Grab the Code at:
http://github.com/menno/koc_tutorial