What is difference between weak and strong in ios?
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what are the build phases available in Xcode?
What is iphone reference library?
Is the delegate for a CAAnimation retained in iOS operating system?
An app is loaded into memory but is not executing any code. In which state will it be in?
Can python apps run on ios?
What is abstract class in ios?
What is arc?
What are the features of iphone 3gs?
Which is the default for synthesized properties?
What’s the difference between an “app id” and a “bundle id” and what is each used for?
Describe @objc inference?
Explain collections in iOS