Bahanix

class User < ActiveRecord::Base
  has_many :posts
end

class Post < ActiveRecord::Base
  belongs_to :user
end

# It will hit 11 times your database, that's bad!
User.limit(10).each do |user|

Bahanix

# app/controllers/application_controller.rb
class ApplicationController < ActionController::Base
  protect_from_forgery with: :exception
  before_action :set_locale

  private

  def set_locale
    if session[:locale]
      I18n.locale = session[:locale]

Bahanix

# app/views/users/index.html.erb
<h1>Liste des utilisateurs</h1>
<ul>
  <% @users.each do |user| %>
    <li><%= user.id %></li>
  <% end %>
</ul>

Bahanix

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
= simple_form_for(@account) do |f|
  = f.error_notification

  = f.input :type, collection:['iban', 'rib'], include_blank: false

  #iban
    .inputs
      = f.input :iban, :include_blank => false
      = f.input :bic, :include_blank => false

Bahanix

### Configurer git et vim

git config --global core.editor "vim"
vim ~/.vimrc

syn on
set tabstop=2
set shiftwidth=2
set expandtab
match Todo /\s\+$/