Kahou questions

Kahou answers

• How can I avoid code duplication in C# while and do-while loops?
• ToggleButtons in GridView
• DefaultTabController without Scaffold?
• Either zero or 2 or more [DropdownMenuItem]s were detected with the same value
• Finding a TextSpan to tap on with Flutter tests
• How to find an element in dart list
• How to stop/break forEach loop in dart /flutter?