Volker questions

Volker answers

• Why would layer be nil, after wantsLayer=true?
• How to correctly implement a NSWindowController subclass with xib-file
• Create a CI Filter Chain
• didEnterRegion called with larger radius (iOS)
• Change opacity for pre-defined color?
• Overwriting NSDocument's init(contentsOf:ofType:) in Swift
• NSSortDescriptor evaluating ascending numbers (Swift)
• How to monitor file change on iOS platform?
• How to Draw a single point line in iOS
• NSString hasPrefix: function with case sensitivity