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Un-Answered Questions { Apple iOS }

Explain what is the stack of autorelease pools. How autorelease pool work under the hood?

772


How will you implement sets and the intersection operation? Complexity?

646


what is your preferred programming language? Why? How long will it take you to learn a new programming language?

657


What happens when you invoke a method on a nil pointer?

1659


Explain your process for tracing and fixing a memory leak

1754


Explain how an autorelease pool works at the runtime level

1858


When dealing with property declarations, what is the difference between atomic and non-atomic?

763


If you use location services in your app, will it drain your battery.if yes? How can we avoid?

622


Find the letter count in UItextfield? Including first character?

813


How to fix tableviewcell dequeue issue ?

714


Difference b/w collectionView & uitableview?

1564


DB updation when app new version comes ?

579


How to do upload of large sized video file to server ? while uploading user presses “Homebutton” How long will execute?

677


Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)

867


Explain application states

594