taybenlor

/**
 * A class to parse colour values. Updated by Ben to support colour conversions.
 * @author Stoyan Stefanov <sstoo@gmail.com>
 * @author Ben Taylor <taybenlor@gmail.com>
 * @link   http://www.phpied.com/rgb-color-parser-in-javascript/
 * @license Use it if you like it
 */
function Colour(colour_string)
{
    this.ok = false;

taybenlor

Pros

• Very low effort to get running
• Easily extensible to add very powerful features eg. I added memcache and caching to one of our apps and had it live within 30mins
• Less downtime stress (if shit fails, you know heroku is dealing with it and you don't have to do much other than respond to customers)
• Very little platform lockin (unlike Google App Engine)
• Standing on shoulders of giants
• Strong app segmentation = stability
• Easy to price for clients

taybenlor

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taybenlor

/*
 * In JavaScript "this" is very finicky. Mostly it tends to get lost whenever 
 * you use a callback. When you assign a function you're literally creating
 * a function object and then putting it into an object. Whenever the function
 * is called it works out what it's this is based on how it was called.
 * 
 * There are several ways to make sure your this stays around.
 *
 */

taybenlor

var widths = $("elements").map(function(i, el){
  $(el).width();
});

var max_width = Math.max.apply(Math, widths);

taybenlor

var widest_el = null;
var width = 0;

$("elements").each(function(i, el){
  if(el.width() > width){
    widest_el = el;
    width = el.width();
  }
});

taybenlor

var handler = function(event){
  // if the target is a descendent of container do nothing
  if($(event.target).is(".container, .container *")) return;

  // remove event handler from document
  $(document).off("click", handler);

  // dostuff
}

taybenlor

window.System =
  delay: (num, fn) ->
    if arguments.length == 1
      setTimeout(num, 0)
    else
      setTimeout(fn, num)

#  Use Like  #

System.delay ->

taybenlor

DEFAULT_NAME = File.open("default_name.txt").read()

class Person:
  def __init__(self, name=None):
    self.name = name or DEFAULT_NAME

taybenlor

def price
  return @price if @price
  @price = Money.new(self.cents || 0, self.some_relationship.currency || Money.default_currency)  
end

def price=(new_price)
  @price = new_price.to_money
  self.cents = @price.cents
  self.some_relationship.currency = @price.currency_as_string
end