Un-Answered Questions { Apple iOS }

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

1061


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

944


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

951


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

2049


Explain your process for tracing and fixing a memory leak

2040


Explain how an autorelease pool works at the runtime level

2271


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

1035


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

907


Find the letter count in UItextfield? Including first character?

1153


How to fix tableviewcell dequeue issue ?

1011


Difference b/w collectionView & uitableview?

1933


DB updation when app new version comes ?

885


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

952


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

1148


Explain application states

913