public function searchShow($id)
 {
     $tutorial = Tutorial::find($id);
     $qa = Qa::find($id);
     if ($tutorial) {
         return Redirect::action('TutorialsController@show', $tutorial->id);
     }
     if ($qa) {
         return Redirect::action('QasController@show', $qa->id);
     }
 }
 /**
  * Remove the specified qa from storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function destroy($id)
 {
     $qa = Qa::find($id);
     $qa->delete();
     Session::flash('successMessage', 'Your post has been deleted.');
     return Redirect::route('qas.index');
 }