what is the use of PO command in Xcode?
Which programming languages are used for ios development?
Explain about Viewcontroller lifecycle.
Which compiler is used by ios? : IOS Architect
Explain the difference between cocoa and cocoa touch?
Explain code signing in ios?
How would you create your own custom view in iOS operating system?
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Different types of persistent stores? Which all types can we have on ios?
Explain what is storyboard?
What is reference count in ios?
Is the object retained if I call performSelector:withObject:afterDelay:?
How to debug a crash in the auto-release pool?
Explain how to hide images in ios?