Call a cloud function on Parse.com from AngularJS

gistfile1.coffee

.controller 'SampleController', ($scope, $http) ->
  $scope.data = []
  $http
    method: 'post'
    url: 'https://api.parse.com/1/functions/sample_function'
    headers:
      'X-Parse-Application-Id': APP_ID
      'X-Parse-REST-API-Key': API_KEY
      'Content-Type': 'application/json'
    data: {}
  .success (data, status) ->
    $scope.data = data