$http.post Angular

postAngular.js

$http.post(url, data, {
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
                },
                transformRequest: function(data) {
                    return $.param(data);
                }
            }).
            success(function(data, status, headers, config) {
                if (data.error) {
                    alert(data.error);
                    _trackAddError(data.error);
                } else {
                    $location.path('/posts');
                }
            }).
            error(function(data, status, headers, config) {
                console.log('error adding post');
                _trackAddError(data.error);
            });