Un-Answered Questions { Apple iOS }

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

1078


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

958


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

957


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

2063


Explain your process for tracing and fixing a memory leak

2049


Explain how an autorelease pool works at the runtime level

2279


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

1048


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

918


Find the letter count in UItextfield? Including first character?

1166


How to fix tableviewcell dequeue issue ?

1024


Difference b/w collectionView & uitableview?

1946


DB updation when app new version comes ?

896


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

961


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

1163


Explain application states

923