What is shared instance in ios?
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What is the purpose of using ibaction and iboutlet?
What is thread in ios swift?
What is use of nsoperation? How nsoperationque works?
Which all frameworks you worked in ios ?
What is dependency management tools?
. When an app is said to be in not running state?
What is the difference between retain & assign in iOS operating system?
How to change the content of your app in order to change the views displayed in the corresponding window?
What are the location services?
What is 1x 2x and 3x in ios?
How to parse xml?
what is the difference between nonatomic & atomic