What is singleton class in ios?
Is uikit thread safe?
What is atomic and nonatomic in iOS operating system? What is run loop in iOS ?
Can we adjust the size of photos uploaded from the app?
Explain difference between coredata & sqlite?
How are non-atomic and atomic properties different? Which one is the default property for synthesized properties? When would a user operate one over the other?
What is meaning of 'copy' keyword?
What is difference between performblock: and performblockandwait:?
What is latest version of ios?
How to registering your device with the program portal for iphone development?
What json framework is supported by ios (iphone os)?
Why is iboutlet weak?
How to edit iphone code