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Difference between retain and assign ?
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Answer / babu
Assign and retain was used in manual memory management (MRC) environment.
assign to set a property’s pointer to the address of the object without retaining it. use weak to have the property point to nil automatically if the object assigned to it is deallocated .
Use retain by default and will manage the object’s reference count automatically whether another object is assigned to the property or it’s set to nil; In ARC you will use strong instead of retain.
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