Alan2 questions

• What's the "if (Control == null)" section used for in a Xamarin iOS renderer?
• How can I add a line feed into a Xamarin.Forms label?
• Does a <StackLayout> have some default padding or spacing?
• How can I Post data using HttpWebRequest?
• How can I throw an error if a parameter is null or 0?
• What's the benefit with using Async in an ASP.Net WebAPI method with EF?
• Is there a default margin or padding for a Grid in Xamarin?
• Pass OnAppearing to a ViewModel in Xamarin Forms MVVM?
• Cannot get FontAwesome 5 to work with Xamarin Forms, iOS and Android
• How can I call a method in a base Frame Renderer from the iOS Custom renderer?

Alan2 answers