What is mvc pattern in ios?
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what is the use of PO command in Xcode?
What is the use of double question marks (“??”) ?
What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?
Explain how you can migrate to Xcode?
What is the difference between let and var in swift?
What is auto-layout?
What is iphone reference library?
What is the current iphone ios?
What is an NSOperationQueue and how/would you use it in iOS operating system?
How are non-atomic and atomic properties different?
Explain me does ios support multitasking?
Explain app bundle?