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# a fragment of 3-rd party grid component
class AwesomeGrid
  constructor: (@datasource)->
    @sort_order = 'ASC'
    @sorter = new NullSorter # in this place we use NullObject pattern (another useful pattern)
  setCustomSorter: (@customSorter) ->
    @sorter = customSorter
  sort: () ->
    @datasource = @sorter.sort @datasource, @sort_order
    # don't forget to change sort order

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//   5 columns layout for bootstrap
.col-xs-2_4,
.col-sm-2_4,
.col-md-2_4,
.col-lg-2_4
  position: relative
  min-height: 1px
  padding-right: 10px
  padding-left: 10px

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"#" + ((1<<24)*Math.random()|0).toString(16)

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(navigator.userAgent).match(/OS\s+([\d\_]+)/i)[0].replace(/_/g, '.').replace('OS ', '')

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<?php
$applesharedsecret = "XXXXXXXXXXX";
$receiptbytes      = $_POST['receiptbytes'];
//$appleurl          = "https://buy.itunes.apple.com/verifyReceipt"; // for production
$appleurl          = "https://sandbox.itunes.apple.com/verifyReceipt"; // for testing
$request = json_encode(array("receipt-data" => $receiptbytes,"password"=>$applesharedsecret));
$ch = curl_init($appleurl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $request);

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NUMBER1 := 10
NUMBER2 := 5

#Addition
ADD := $(shell echo ${NUMBER1}+${NUMBER2} | bc)

#Subtraction
SUBTRACT := $(shell echo ${NUMBER1}-${NUMBER2} | bc)

#Multiplication

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<link rel="import" href="../components/polymer/polymer.html">

<polymer-element name="my-element">

  <template>
    
  </template>

  <script>

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<link rel="import" href="../paper-button/paper-button.html">

<polymer-element name="my-element">

  <template>
    <style>    
      #paper_button {
        left: 310px;
        top: 110px;
        position: relative;

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navigator.checkBrowser = ->
	ua = navigator.userAgent
	M = ua.match(/(opera|yabrowser|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i)
	if /trident/i.test(M[1])
		tem = /\brv[ :]+(\d+)/g.exec(ua) or []
		return name: 'ie', version: (tem[1] or '')
	if M[1] is 'Chrome'
		if (tem = ua.match(/\bOPR\/(\d+)/))?
			return name: 'opera', version: tem[1]
		if (tem = ua.match(/\bYaBrowser\/(\d+)/))?

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// Pre-requisites:
// 1. Device core plugin
// 2. Splashscreen core plugin (3.1.0)
// 3. config.xml:  <preference name="AutoHideSplashScreen" value="false" />
// 4. config.xml:  <preference name="DisallowOverscroll" value="true" />

function onDeviceReady() {
    if (parseFloat(window.device.version) >= 7.0) {
          document.body.style.marginTop = "20px";
          // OR do whatever layout you need here, to expand a navigation bar etc