What is singleton in ios swift?
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what is the use of PO command in Xcode?
Major difference between delegate and notification?
Can we save posts to local drafts and figure out how to publish to the blog. What do we need to do?
Which is the application thread from where uikit classes should be used?
What is dynamic in iOS operating system?
How to install an iphone application for testing?
What language is ios based on?
What is made up of nserror object?
Difference between ScrollviewdidScroll and didendDecelerating delegates?
Differentiate between ‘assign’ and ‘retain’ keyword.
When to use nsmutablearray and when to use nsarray?
What happens if iapplication object does not handle an event?