Is core data is thread safe?
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Explain commonly ios libraries
Tell me what is iphone os?
Is uikit thread safe?
What is ios selector?
What’s the difference between not-running, inactive, active, background and suspended execution states?
What is delegate in ios with example?
How to start a selector on a background thread.
Where do you test the developed apps if you do not have the device?
How we can do multithreading in ios?
Can you pass same core data objects between different threads and modify?
Explain shallow copying and depth copying.
What is iphone reference library?