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Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
Introduction to rails
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Introduction to rails

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Transcript

  • 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)● Dont Repeat Yourself (DRY)● Model View Controller (MVC)
  • 9. The Framework (MVC)
  • 10. ActiveRecord● Object Relational Mapping (ORM)● Class to Table, Object to Row● CRUD simple● Database Agnostic
  • 11. ActiveRecord::Base
  • 12. Validation
  • 13. has_one
  • 14. has_many
  • 15. belongs_to
  • 16. has_many :through
  • 17. Associations
  • 18. Fat Models
  • 19. ActionController● Separation of business logic and presentation● Ideally there should be no logic in the view
  • 20. ActionController
  • 21. ActionView
  • 22. action.mimetype.renderer ● show.html.erb ● index.rss.builder ● edit.iphone.haml
  • 23. Live Demo
  • 24. Questions?

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