what is the use of PO command in Xcode?
How do you setup/initialise a core data stack in your application? Is this activity performed on main thread? If not, why?
Which app specific objects store the app's content?
What is arc ios?
Explain the correct way to manage Outlets memory in iOS.
Can apk files run on ios?
What is messaging? How does the runtime handle message passing? What is message forwarding?
What is a singleton?
What is difference between nsnotification and delegate?
What do you mean by rest?
Explain what is iphone reference library?
Can you please explain the difference between nsarray and nsmutablearray?
UI updation in seperate thread is it possible ?