What is gcd in ios?
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Explain the difference between 'protocol' and 'delegate'?
What is xib?
What is 1x 2x?
What are “strong” and “weak” references? Why are they important and how can they be used to help control memory management and avoid memory leaks?
Functionality of accelerometer of an iphone
What is a thread in ios?
Find the letter count in UItextfield? Including first character?
Explain me what is polymorphism?
Explain what is the stack of autorelease pools. How autorelease pool work under the hood?
Which language is best for ios development?
What is difference between unit tests and ui test in xcode?
Explain @property ,@synthesize