What is the difference between cocoa and cocoa touch?
What is the concurrency how many ways you know to achieve concurrency?
What is core data in ios?
Assume that your app is running in the foreground but is currently not receiving events. In which sate it would be in?
Is uikit thread safe?
What is messaging? How does the runtime handle message passing? What is message forwarding?
How to set your application id after becoming a member of iphone developer program?
What is the difference between developer and enterprise developer accounts?
What is dispatch queue in ios swift?
What is delegate and protocol in ios?
What is cocoa touch framework in ios?
What are delegates in ios swift?
How respond to state transitions on your app in ios?
What is block in ios objective c?
What is a retain cycle?