LVRUG meetup

1. Agile Web Development with Rails (for 3.1) Ya, that book @LVRUG - Jeremy Woertink

2. What is "Rails" you ask? "Ruby on Rails is a framework that makes it easier to develop, deploy, and maintain web applications." "Rails applications are written in Ruby, a modern, object-oriented scripting language."

4. MVC Architecture

5. Written in Ruby

6. Convention over Configuration

7. RESTful

8. Agile

9. Clean more info given in the Introduction section

10. Who uses it?

12. Groupon

13. Living Social

14. Github

15. Funny or Die!

16. Pololu

17. Cardplayer

18. ScripSmart

20. Installation You're in luck, it's a gem! :) $ sudo gem install rails sudo may not be needed...

23. Know who uses it? CHECK

25. Know who uses it? CHECK

26. Know where to get it? CHECK

28. http://localhost:3000

29. Hello, Rails! demo$ rails generate controller Say hello goodbye create more stuff... invoke things route whatever

30. Hello, Rails! demo$ rails generate controller Say hello goodbye create more stuff... invoke things route whatever Visit http://localhost:3000/say/hello

32. app/controllers/say_controller.rb

33. created views for "say"

34. app/views/say/hello.html.erb

35. app/views/say/goodbye.html.erb

36. updated routes with "say" routes

37. config/routes.rb

39. app/controllers/say_controller.rb

41. hello - The name of the action

42. html - The end format we want

43. js, xml, text...

44. erb - The ruby templating system

46. app/views/say/hello.html.erb <h1>Hello from Rails!</h1> <p>It is now <%= Time.now %></p>

47. http://localhost:3000/say/hello

48. app/controllers/say_controller.rb classSayController < ApplicationController defhello @time =Time.now end defgoodbye end end

49. app/views/say/hello.html.erb <h1>Hello from Rails!</h1> <p>It is now <%= @time %></p>

50. Fancy pants time!

51. app/views/say/hello.html.erb <h1>Hello from Rails!</h1> <p>It is now <%= @time %></p> <p> Time to say <%= link_to("Goodbye", say_goodbye_path) %>! </p>

52. http://localhost:3000/say/hello

53. app/views/say/goodbye.html.erb <h1>Say#goodbye</h1> <p>Find me in app/views/say/goodbye.html.erb</p>

54. app/views/say/goodbye.html.erb <h1>Beer time?</h1> <blink>Holla atchya boy!</blink> <span> Say <%= link_to("Hello", say_hello_path) %> again. </span>

55. app/views/say/goodbye.html.erb <h1>Beer time?</h1> <blink>Holla atchya boy!</blink> <span> Say <%= link_to("Hello", say_hello_path) %> again. </span> ahh yeah, you love the blink tag don't ya!

57. Created a new application

58. Generated controller and views

59. Added dynamic content