private function handleRequest(Question $entity, Request $request)
 {
     $data = $request->getContent();
     if (isset($data['title'])) {
         $entity->setTitle($data['title']);
     }
     if (isset($data['content'])) {
         $entity->setContent($data['content']);
     }
     if (isset($data['created_by'])) {
         $entity->setCreatedBy($data['created_by']);
     }
 }