What is the difference between delegates and notifications in iOS operating system?
What is latest xcode version?
Explain difference between sax parser and dom parser?
What is libdispatch?
What are blocks in ios?
What are the different delete rules that a relationship can have? Which one takes ownership?
Give example scenarios when an application goes into inactive state?
What is the difference between android and ios?
Explain the difference between bounds and frame?
When is an app said to be in active state?
What are the 7 osi layers?
are you using charlesproxy ? Why/why not ?
Explain about AFNetworking. What is the base class used in AFNetworking library