Getting Started with Ruby on Rails

Transcript

1. GETTING STARTED WITH RUBY ON RAILS

2. @rebagliatte Vero Rebagliatte

3. Forecast 1. What’s ROR? 2. The rails way 3. Example

   app

4. What’s ROR?

5. It’s a framework

6. Was created by DHH

7. Lowers the barrier to start programming in Ruby

8. Opinionated

9. The Rails Way

10. Be DRY, don’t repeat yourself

11. Prefer convention over configuration

12. Be RESTful

13. REST uses operations of the HTTP protocol

14. REST GET PUT POST PATCH DELETE SOAP getUsers() getNewUsersSince() savePurchaseOrder()

    getUser() addUser() removeUser() updateUser() getLocation()

15. REST uses resources

16. http://myblog.com/posts/ GET PUT POST DELETE http://myblog.com/posts/1 GET PUT POST DELETE

    } }

17. Blog::Application.routes.draw do resources :posts end config/routes.rb

18. Use the MVC (Model View Controller) Pattern

19. None

20. class Post < ActiveRecord::Base attr_accessible :content, :name, :title has_many :commenters

    validates :title, presence: true end app/models/post.rb

21. <h1>Post <%= @post.title %> </h1> <%= @post.content %> <%= link_to

    'Edit', edit_post_path(@post) %> <%= link_to 'Back', posts_path %> app/views/posts/show.rb

22. class PostsController < ApplicationController def new @post = Post.new end

    def create @post = Post.new(params[:post]) if @post.save redirect_to @post, notice: 'Post created!' else render action: :new end end end app/controllers/posts_controller.rb
23. None

24. Package your code for reuse

25. source 'https://rubygems.org' gem 'rails', '3.2.13' gem 'sqlite3' group :assets do

    gem 'sass-rails', '~> 3.2.3' gem 'coffee-rails', '~> 3.2.1' gem 'uglifier', '>= 1.0.3' end gem 'jquery-rails' Gemfile

26. Be fast by default with the Asset Pipeline

27. None

28. app/assets assets from the current application lib/assets your own libraries,

    shared across applications vendor/assets third party assets(js plugins, css frameworks)

29. PRECOMPILE

30. None

31. CONCATENATE

32. None

33. application.css application.js logo.jpg application-908e25f4bf641 868d8683022a5b62f54.css application-908e25f4bf641 868d8683022a5b62f54.js logo-908e25f4bf641868d8 683022a5b62f54.jpg ADD

    MD5 FINGERPRINT

34. COMPRESS

35. More

36. Internationalize your app

37. Use generators

38. Example App

39. None

40. Thanks! @rebagliatte