Intro to Rails

Lightning talk on Ruby on Rails for the first Hacktivate hackathon on 12 April 2013. Slides compiled and talk given with an hour notice!

Transcript

1. RAILS what is
2. Rails is a web framework
3. Rails is a platform
4. Rails is a kitchen sink
5. Rails makes web dev easy
6. How easy it?
7. $ gem install rails
8. Wat? How many gems? ?
9. 25 gem dependencies
11. $> cd its_like_groupon_but_newer/
12. $> cd its_like_groupon_but_newer/ $> find . | wc -l
13. $> cd its_like_groupon_but_newer/ $> find . | wc -l 88
14. $> cd its_like_groupon_but_newer/ $> find . | wc -l 88 $> subl .
16. ZOMG SO MUCH SHIT
23. Model contains business logic
24. class Post < ActiveRecord::Base belongs_to :author has_many :comments attr_accessible :title, :body end
25. View displays information
30. Controller ...
31. Controller controls the other two
32. class PostController < ApplicationController def index @posts = Post.all respond_to do |format| format.html format.json { render json: @posts } end end end
33. MVC
34. Browser View Controller Model
35. Browser View Controller Model
36. Browser View Controller Model
37. Browser View Controller Model
38. Browser View Controller Model
39. Browser View Controller Model
41. ItsLikeGrouponButNewer::Application.routes.draw do resources :posts match ‘admin’ => ‘admin#dashboard’ end
42. QUESTIONS? Any