What is meaning of 'assign' keyword?
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What is mvc in ios swift?
. Why an app on iOS device behaves differently when running in foreground than in background?
Explain me what is polymorphism?
Explain the difference between viewdidload and viewdidappear?
Arc is compile time or run time feature?
Which app specific objects store the app's content in iOS operating system?
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Do you know what is iphone sdk?
An app is loaded into memory but is not executing any code. In which state will it be in?
What are “strong” and “weak” references? Why are they important and how can they be used to help control memory management and avoid memory leaks?
How we can execute some code when app is in background?
How to do upload of large sized video file to server ? while uploading user presses “Homebutton” How long will execute?
Explain difference between nil and nil?