What is uiviewcontroller in ios?
How core data differs from sqlite?
Explain me what is arc? How it works?
Is a delegate retained?
What do you mean by rest?
. How do you change the content of your app in order to change the views displayed in the corresponding window?
What is messaging? How does the runtime handle message passing?
What is the short cut to open the “Code Snippet Library” in Xcode?
What is the difference between stack and heap?
Difference between cocoa, cocoa touch and objective c?
Explain me what is fast enumeration?
How to shut off message alerts in ios?
How do I create a class in xcode?