DavidQL

(function(one, two) {

    // every function receives 
    // an array of all the arguments
    // even those that your function doesn't "accept"
    return arguments; // ['first argument', 2, 'I am a third argument']

})('first argument', 2, 'I am a third argument'); 

DavidQL

(function() {

  var page_count = 0,
    up_page_count = function () {
      page_count++;
    };

  if ( up_page_count() ) { 

    console.log('I will never run'); 

DavidQL

(function() {

  var sorted_array = [1,22,13,4,5].sort();
  
  console.log(sorted_array); 
  // returns [1, 13, 22, 4, 5]

})();

DavidQL

(function() {

  var sorted_array = [1,22,13,4,5].sort(function(a, b) {
    
    // you get a and b to sort.
    // if the function returns a..
    // negative number: a comes ahead in sort order
    // a positive number: b comes first

    return a-b;

DavidQL

(function() {
  
  if (true) {
    var foo = 'apple';
  }

  // foo isn't local
  // block scope !== functional scope
  console.log(foo); // 'apple'

DavidQL

(function() {
  var available_sizes = {
    short: 2,
    medium: 5,
    long: 10
  };

  // in dumb browsers calling .long 
  // throws an error 
  console.log(available_sizes.long);

DavidQL

(function() {

  // convert a string to a number.
  // it uses base 10 by default
  var foo = parseInt('78'); // 78

  // repeat, with a different number
  // this time it's base 8 by default?
  var wtf = parseInt('08'); // 0

DavidQL

map.connect '/assets/*other', :controller => "assets", :action => "redirect_asset_to_S3"

DavidQL

def redirect_asset_to_S3
  resource = params[:other].join('/')
  @url = AWS::S3::S3Object.url_for('assets/'+resource, ENV['S3_BUCKET'])
  redirect_to @url
end

DavidQL

it "should queue the email for delivery" do
  ActionMailer::Base.deliveries.should_not be_empty
end

it "should set the recipients correctly" do
  ActionMailer::Base.deliveries[0].to.include?("email1@quickleft.com").should be_true
  ActionMailer::Base.deliveries[0].to.include?("email2@quickleft.com").should be_true
end