What is active state in ios?
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What is context in core data ios?
Does iOs supports multitasking?
What is the difference between synchronous & asynchronous task in ios?
What are lifecycle events of uiviewcontroller?
Define autorealease pool?
Describe @objc inference?
Explain differentiate between release and pool drain?
what is the use of PO command in Xcode?
How we can execute some code when app is in background?
Explain about AFNetworking. What is the base class used in AFNetworking library
What is 1x 2x?
Explain the difference between nsarray and nsmutablearray?