Define 'copy' keyword?
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Explain concept of notification center, local and remote notifications.
What is nsmanagedobjectcontext?
Explain parent-child context setup. What are the advantages?
What does 2x resolution mean?
What is difference between weak and strong in ios?
Which object manage the presentation of app's content on the screen?
. Why an app on iOS device behaves differently when running in foreground than in background?
What is nsfetchedresultscontroller? How do you turn on content monitoring?
What is the difference between atomic and nonatomic properties?
Garbage collector in iphone?
Explain how app delegate is declared by Xcode project templates?
What is the difference between release and autorelease?