What is synchronous vs. Asynchronous in gcd ?
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Explain parent-child context setup. How does it work? What are the advantages?
What is ios design?
What is difference between atomic and nonatomic in ios?
Why do we use synchronized ?
How can mobile application errors be prevented?
Which is the super class of all view controller objects?
Explain commonly ios libraries
What is the short cut to open the “Code Snippet Library” in Xcode?
Differentiate between ‘assign’ and ‘retain’ keyword.
Will the new design mean I have to completely relearn how to use my phone?
What is latest xcode version?
What is @dynamic and any place where it is used?