How to handle concurrency problems in core data?
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How to add an iphone os user to your team as a tester?
Describe @objc inference?
what is Xcode?
Are document objects required for an application? What does they offer?
What’s the difference between mkannotation and mkpointannotation?
What is Automatic Reference Counting (ARC) in iOS operating system?
What is a memory leak?
. Name the app sate which it reaches briefly on its way to being suspended
Explain how an autorelease pool works at the runtime level
What is ios architecture?
Difference between ScrollviewdidScroll and didendDecelerating delegates?
Explain the difference between nsarray and nsmutablearray?