What is retain counts?
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In nsfetchrequest can we fetch only a selective few attributes of an entity? How?
What is arc ? How it works?
What is difference between 'assign' and 'retain' keyword?
What is ios realm?
When to use nsmutablearray and when to use nsarray?
What is auto-layout?
Differentiate 'app id' from 'bundle id'.
Explain how an autorelease pool works at the runtime level
How will you implement sets and the intersection operation? Complexity?
What are the important delegate methods of nsxml parser?
What’s the difference between an “app id” and a “bundle id” and what is each used for?
What is iphone sdk?