Andrew questions

Andrew answers

• "Extra argument in call" error in Swift
• Sharing via UIActivityViewController to Twitter/Facebook etc. causing crash
• 'Class.Type' does not have a member named 'variable' error just a lack of class variable support?
• What does the exclamation mark mean for a swift initializer?
• How to prevent status bar from overlapping content with hidesBarsOnSwipe set on UINavigationController?
• Swift cannot assign to self in a class init method