public function postNew(Request $request, Resource $resource)
 {
     //
     $input = $request->all();
     $topics = $input['topics'];
     array_forget($input, 'topics');
     foreach ($input as $k => $v) {
         if ($k != "_token" && $k != "submit") {
             $resource->{$k} = $v;
         }
     }
     // return $resource;
     if ($resource->save()) {
         $resource->topics()->sync($topics);
     }
     // return $resource;
     // return var_dump($input);
     // Resource::create("name"=>);
     return redirect()->back();
 }