1. Introduction to Web Development Using Rails
Chhorn Chamnap
4 August 2012

2. Who Am I?
● Software Engineer from Yoolk Inc.
● The author of the gem 'active_record_uuid'
● Blog: http://chamnap.github.com/
● Twitter: @chamnap
● Email: chamnapchhorn@gmail.com

3. What is Rails?

4. + =

5. Websites on Rails

6. Companies using Rails

7. Version History

8. The Framework
● Convention over Configuration (CoC)
● Don't Repeat Yourself (DRY)
● Model View Controller (MVC)

9. The Framework (MVC)

11. ActiveRecord
● Object Relational Mapping (ORM)
● Class to Table, Object to Row
● CRUD simple
● Database Agnostic

12. ActiveRecord::Base

13. Validation

14. has_one

15. has_many

16. belongs_to

17. has_many :through

18. Associations

19. Fat Models

21. ActionController
● Separation of business logic and presentation
● Ideally there should be no logic in the view

22. ActionController

24. ActionView

25. action.mimetype.renderer
● show.html.erb
● index.rss.builder
● edit.iphone.haml

26. Live Demo

27. Questions?