What is the meaning of 'weak' keyword?
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Define 'atomic' keyword?
Define iterator protocol?
What is weak in ios?
what is the use of PO command in Xcode?
What is the difference between viewdidload and viewdidappear?
Explain @synchronized ,@dynamic
. How do you change the content of your app in order to change the views displayed in the corresponding window?
Explain difference between mrc and arc?
Why uicontrol is provided if we can create custom uiview?
What are the Common reasons for app rejection from app store review process?
Explain concept of notification center, local and remote notifications.
When an app is said to be in active state?