I find this particularly with UI frameworks with a large, ever-changing surface. Adobe Flex was absolutely terrible for it. iOS has some of the same issues. Try

I find this particularly with UI frameworks with a large, ever-changing surface. Adobe Flex was absolutely terrible for it. iOS has some of the same issues. Trying to work out why some text has reflowed and bumped down your controls may not technically be "code happening to you", but it sure feels like it.