http://stackoverflow.com/questions/16617259/wait-until-scope-variable-is-loaded-before-using-it-in-the-view-in-angular-js

   $scope.sort_by = function(predicate) {

		angular.forEach($scope.list, function (data) {
			 //console.log(data);
			 data.customerNumber = parseFloat(data.customerNumber);
		});

        $scope.predicate = predicate;
        $scope.reverse = !$scope.reverse;
    };

http://stackoverflow.com/questions/19175054/angularjs-orderby-integer-field-not-working-properly

http://plnkr.co/edit/JQPEt1IWuAGzb8IR9kDA?p=preview

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