Immaging that you have a customer that should pay you €10, €10, €20, €30, €30. He already paid you €10, €20. You need to know what he still needs to pay you. How will C#/LINQ helps you to give the answer?
Het is vandaag 21-11-2024, dus is Alex 55 jaren, 7 maanden, 3 weken en 3 dagen oud.