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Getting Started with Ruby on Rails
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Vero Rebagliatte
June 12, 2013
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Getting Started with Ruby on Rails
Vero Rebagliatte
June 12, 2013
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Transcript
GETTING STARTED WITH RUBY ON RAILS
@rebagliatte Vero Rebagliatte
Forecast 1. What’s ROR? 2. The rails way 3. Example
app
What’s ROR?
It’s a framework
Was created by DHH
Lowers the barrier to start programming in Ruby
Opinionated
The Rails Way
Be DRY, don’t repeat yourself
Prefer convention over configuration
Be RESTful
REST uses operations of the HTTP protocol
REST GET PUT POST PATCH DELETE SOAP getUsers() getNewUsersSince() savePurchaseOrder()
getUser() addUser() removeUser() updateUser() getLocation()
REST uses resources
http://myblog.com/posts/ GET PUT POST DELETE http://myblog.com/posts/1 GET PUT POST DELETE
} }
Blog::Application.routes.draw do resources :posts end config/routes.rb
Use the MVC (Model View Controller) Pattern
None
class Post < ActiveRecord::Base attr_accessible :content, :name, :title has_many :commenters
validates :title, presence: true end app/models/post.rb
<h1>Post <%= @post.title %> </h1> <%= @post.content %> <%= link_to
'Edit', edit_post_path(@post) %> <%= link_to 'Back', posts_path %> app/views/posts/show.rb
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
None
Package your code for reuse
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
Be fast by default with the Asset Pipeline
None
app/assets assets from the current application lib/assets your own libraries,
shared across applications vendor/assets third party assets(js plugins, css frameworks)
PRECOMPILE
None
CONCATENATE
None
application.css application.js logo.jpg application-908e25f4bf641 868d8683022a5b62f54.css application-908e25f4bf641 868d8683022a5b62f54.js logo-908e25f4bf641868d8 683022a5b62f54.jpg ADD
MD5 FINGERPRINT
COMPRESS
More
Internationalize your app
Use generators
Example App
None
Thanks! @rebagliatte