Un-Answered Questions { Apple iOS }

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

485


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

431


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

429


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

1308


Explain your process for tracing and fixing a memory leak

1502





Explain how an autorelease pool works at the runtime level

1462


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

551


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

421


Find the letter count in UItextfield? Including first character?

585


How to fix tableviewcell dequeue issue ?

496





Difference b/w collectionView & uitableview?

938


DB updation when app new version comes ?

360


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

464


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

617


Explain application states

386