Why Use Rails by Dr Nic
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Ruby on Rails is a leading web development framework, yet is only a few years old. Here's why...
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Why Use Rails by Dr Nic
- 1. They Laughed When I Learned Ruby on Rails But When I Started to Build Web Applications... Dr Nic Williams
- 2. • 10 000 users • 3 months • Re-used their global authentication system
- 3. • 600 users of 1500 RailsConf attendees • First release in 5 days
- 4. Websites are just text
- 5. Google homepage <html> <head> <title>Google</title> </head> <body> <img src=quot;/intl/en_ALL/images/logo.gifquot;> <form action=quot;/searchquot; name=f> <input name=q title=quot;Google Searchquot;> <input name=btnG type=submit value=quot;Google Searchquot;> <input name=btnI type=submit value=quot;I'm Feeling Luckyquot;> </form> </body> </html>
- 6. Browsers don’t care what server you use
- 7. Browsers don’t care what operating system
- 8. Browsers don’t care what programming language
- 9. Browsers don’t care. They just want text
- 10. Pick what you like best
- 11. Real-world Developer problem
- 13. Happy developers do more good things
- 14. Why Rails?
- 15. Convention over Configuration
- 16. class Book < ActiveRecord::Base validates_presence_of :title has_many :orders belongs_to :author, :class_name => quot;Userquot; end
- 17. class StoreController < ApplicationController def show @book = Book.find_by_permalink(params[:id]) end end http://mysite.com/store/drnic-book-on-rails
- 19. class Book < ActiveRecord::Base end Where are the attributes? Where is the configuration?
- 21. Use it, break it, fix it, trash it, change it
- 22. Why is Rails special?
- 23. Ruby (no more Java) Introspection Open classes Execute code in class definitions
- 24. #9 popular language http://www.tiobe.com/index.htm?tiobe_index
- 25. One language for everything ActiveRecord Controller HTML helpers Ajax
- 26. Open Source. • 2200 participants • commiters, patchers, commenters, +1ers http://dev.rubyonrails.org
- 27. app models Every controllers application views looks the config same db test vendor
- 30. All this creates happiness, plus better applications
- 31. Downsides?
- 32. Bad architecture is still bad architecture Its just for websites Java is evolving Groovy and Grails, + Open sourced Java
- 33. Getting started • www.rubyonrails.org • www.peepcode.com - $9 videos • www.drnicacademy.com - Australian training