Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/1.0.0/angular-resource-1.0.0.min.js"></script>
<script src="https://raw.github.com/pkozlowski-opensource/angularjs-mongolab/ecf9d7fc0925763f16d0e279f4fce3dc5a2196f7/mongolab.js"></script>
<div ng-controller="AppController">Entries: {{entries}}
    <br/>Entry: {{entry}}
    <button ng-click="filterNow()">Filter now!</button>
</div>

JavaScript

var app = angular.module('app', ['mongolabResource']);

app.constant('API_KEY', '4f847ad3e4b08a2eed5f3b54');
app.constant('DB_NAME', 'angularjs');

app.factory('Project', function ($mongolabResource) {
    return $mongolabResource('projects');
});

app.controller('AppController', function ($scope, Project, $filter) {
    $scope.entries = Project.query();
    $scope.entry = $filter('filter')($scope.entries,{name: 'Bar'});
    
    $scope.$watch('entries', function() {
        console.log('Filtering...')
        $scope.filterNow()
    })
    
    $scope.filterNow = function () {
        $scope.entry = $filter('filter')($scope.entries, function(x) { return x.name == "Bar"; });
    }
});