What is array in ios?
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Explain how to delete images in ios?
What is difference between synchronous and asynchronous in web request in iOS operating system?
What are layer objects?
What is iphone architecture?
Explain concept of notification center, local and remote notifications.
Explain me how to parse json?
Why don’t we use strong for enum property in objective-c ?
What’s the difference between not-running, inactive, active, background and suspended execution states?
Do you know what are layer objects and what do they represent?
What is dispatch queue in ios swift?
What widgets can not do ?
what is Xcode?