Differentiate between release and pool drain?
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Does ios supports multi-tasking functionality?
What does @dynamic mean?
What is synchronized() block in objective c? What is the use of that?
When to use nsmutablearray and when to use nsarray?
What is iphone architecture?
How to registering your device with the program portal for iphone development?
What happens when IApplication does not handle an event?
How we can execute some code when app is in background?
Which is the default for synthesized properties?
How you can add frameworks in xcode project?
What is the first responder and responder chain?
What is the use of double question marks (“??”) ?