Explain me app bundle?
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What does @dynamic mean?
Why do we use synchronized ?
what is dispatchQueue?
Explain the difference between developer and enterprise developer accounts?
What manual memory management ? How it work?
Explain application states
how push notification works?
Which is the application thread from where uikit classes should be used?
Is core data is thread safe?
. Name the app sate which it reaches briefly on its way to being suspended
Multitasking support is available from which version?
What is a weak var?