elsapet

 if request.xhr?
   render "search", layout: false
else
  render :index
end

elsapet

# home_controller.rb


if request.xhr?

   search = params[:search]
   numberYouTube = '10'

   @youtube_url = 'http://gdata.youtube.com/feeds/api/videos?q='+search.inspect+'&format=5&max-   results='+numberYouTube+'&v=2&alt=jsonc'
   render "search", layout: false

elsapet

// application.js

function youtubeResults() {

    var youtube_url = $("#youtube_url").text();
    ...

elsapet

// Fake "moving forward" to a new URL	    	    
History.pushState({main:$("#main").html(), search_term:search_term}, '', search_url);

elsapet

// In our DOM ready

var poets = new Bloodhound({
  datumTokenizer: Bloodhound.tokenizers.obj.whitespace('name'),
  queryTokenizer: Bloodhound.tokenizers.whitespace,
  limit:10,
  prefetch: {
    // url points to a json file that contains an array of author names
    // e.g. ['Baudelaire', 'Beckett']
    url: './poets.json',

elsapet

<div id="multiple-datasets">
  <input class="typeahead" type="text" placeholder="Poets and Philosophers">
</div>

elsapet

<%= semantic_nested_form_for [:admin, @user], :html => {:multipart => true} do |f| %>

  <%= f.inputs 'User Information' do %>
    <%= f.input :name %>
    <%= f.input :age %>
  <% end %>

  <%= f.inputs 'User's Pet' for: [:pet, f.object.pet || Pet.new] do |pet| %>
    <%= pet.input :name %>
  <% end %>

elsapet

# collect the even numbers in a given range

# 1. using regular py

evens = []
for i in range(1, 10):
  if i % 2 == 0:
    evens.append(i)
    
# 2. using list comprehension

elsapet

[ITEM for ITEM in RANGE if CONDITION]

elsapet

n = 100
whole_factors = [i for i in range(1, n) if 0 == len([j for j in range(2, i-1) if i%j == 0])]
print whole_factors # => [1, 2, 3, 5, 7, ..., 97]