Arc is compile time or run time feature?
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Define view object.
Is appdelegate a singleton?
Define ipa?
Can a static library (.a) contain assets like pictures, sound documents and so on.?
What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?
Find the letter count in UItextfield? Including first character?
Do you know what are layer objects and what do they represent?
Explain the difference between inheritance and category?
What is didreceivememorywarning method in you viewcontroller?
Different types of persistent stores? Which all types can we have on ios?
Will iphone 6 get ios 13?
Explain me does ios support multitasking?