/**
  * Update the specified resource in storage.
  *
  * @param  App\Http\Requests\CreateSteminarRequest
  * @param  \App\Steminar
  * @return \Illuminate\Http\Response
  */
 public function update(CreateSteminarRequest $request, Steminar $steminar)
 {
     if ($request->ajax()) {
         $title = $request->input('title');
         $location = $request->input('location');
         $date = $request->input('date');
         $date = $date === null ? null : new Carbon($date);
         $body = $request->input('body');
         $image = $request->input('image');
         $host = $request->input('host');
         $steminar->update(compact('title', 'date', 'location', 'body', 'image', 'host'));
         return;
     }
     return redirect(action('SteminarsController@index'));
 }