public function updateTip(Request $request, $id)
{
$Tip = Tip::find($id);
$Tip->title = $request->input('title');
$Tip->author = $request->input('author');
$Tip->isbn = $request->input('isbn');
$Tip->save();
return response()->json($Tip);
}
public function destroy($id)
{
$tip = Tip::find($id);
Tip::destroy($id);
return redirect('tip/index');
}
