Wevah questions

Wevah answers

• NSScanner searching for words finds parts of words
• NSString contains : <null> and is crashing my app
• NSRegularExpression to add escape characters
• NSString normalization using NFD unicode
• How does Objective-c handle messages sent to nil objects?
• Action of StatusItem not working in Swift
• How to conditionally use a new Cocoa API
• Uptime iOS Objective-C - millisecond precision
• UIImage encodeWithCoder urecognised selector?
• NSEvent modifier flags -- bug when both Shift and Caps-Lock are held down?