Why uicontrol is provided if we can create custom uiview?
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What persistent storage core data uses to save data?
Is it safe to update to ios 13?
What is categories in iOS?
What is nsoperation and nsoperationqueue?
Can a static library (.a) contain assets like pictures, sound documents and so on.?
What is plist file and explain about it is usage in iOS operating system?
What are the different delete rules that a relationship can have? Which one takes ownership?
What is synchronized() block in objective c? What is the use of that?
When dealing with property declarations, what is the difference between atomic and non-atomic?
Push notification working in ios?
is code completion is active by default in iphone development?
What is a difference between stack and heap memory?