Memory and ARCXiaomi
Deep copy, shallow copy, and COW
In Swift you assign a large array to another variable with var b = a and then modify only b. Is what happens a shallow copy or a deep copy? Explain it together with Copy-on-Write.
Deep copy, shallow copy, and COW
In Swift you assign a large array to another variable with var b = a and then modify only b. Is what happens a shallow copy or a deep copy? Explain it together with Copy-on-Write.
Memory and ARCShort answerAdvanced
… After s2.a = 9, are the addresses where s1.a and s2.a are stored the same or different,…
#copy #cow
SwiftShort answerExpert
You need a struct ImageBuffer that wraps a large pixel buffer, keeps value semantics, and…
#cow #value-semantics
Memory and ARCMultiple choiceBasics
In Objective-C, why do you use copy instead of strong for an NSString property, as in @pr…
#copy
Memory and ARCShort answerAdvanced
How far is it true that "using a struct means no ARC cost"?
#cow