gistfile1.js

sessions.all = function() {
    var q = $q.defer()
    $http.get('https://devnexus.com/s/presentations.json')
      .then(function(response) {
        q.resolve(response.data.presentationList.presentation)
      });
    return q.promise;
  };
  
  
  sessions.ready = $q.all([
    sessions.all().then(function(data){
      sessions.list.concat(data);
    });
  ]);