public function delete()
 {
     if (!$this->request->is('post') && !$this->request->is('delete')) {
         $msg = "Activities::delete can only be called with http:post or http:delete.";
         throw new DispatchException($msg);
     }
     Activities::find($this->request->id)->delete();
     return $this->redirect('Activities::index');
 }
 public function testSomething()
 {
     $activity = Activities::create(array('name' => 'test'));
     var_dump($activity->validates());
 }