What is datasource in ios?
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what is dispatchQueue?
what is the use of PO command in Xcode?
Why do we override drawrect: method? How to explicitly call it?
What is uitableviewdatasource?
Which is the default for synthesized properties?
How do you setup/initialise a core data stack in your application? Is this activity performed on main thread? If not, why?
Can you pass same core data objects between different threads and modify?
What is the first responder?
Differentiate between ‘assign’ and ‘retain’ keyword.
What is use of nsoperation? How nsoperationque works?
Differentiate between release and pool drain?
What three types of navigation styles are used in ios?