I’m reading STL source code and I have no idea what && address operator is supposed to do. Here is a code example from stl_vector.h: vector& operator=(vector&& __x) // <– Note double ampersands here { // NB: DR 675. this->clear(); this->swap(__x); return *this; } Does “Address of Address” make any sense? Why does it have … Read more
When you call the object.__repr__() method in Python you get something like this back: <__main__.Test object at 0x2aba1c0cf890> Is there any way to get a hold of the memory address if you overload __repr__(), other then calling super(Class, obj).__repr__() and regexing it out? 11 Answers 11
Is there anyway to simulate the [NSString stringWithFormat:@”%p”, myVar], from Objective-C, in the new Swift language? For example: let str = “A String” println(” str value \(str) has address: ?”) 15 Answers 15
In a reputable source about C, the following information is given after discussing the & operator: … It’s a bit unfortunate that the terminology [address of] remains, because it confuses those who don’t know what addresses are about, and misleads those who do: thinking about pointers as if they were addresses usually leads to grief… … Read more
Which format specifier should I be using to print the address of a variable? I am confused between the below lot. %u – unsigned integer %x – hexadecimal value %p – void pointer Which would be the optimum format to print an address? 5 Answers 5
