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In VBA, an assignment of variables of type Object is a shallow copy, an assignment for all other types (numeric types, String, user defined types, arrays) is a deep copy. So the keyword Set for an assignment signals a shallow copy and the (optional) keyword Let signals a deep copy. There is no built-in method for deep copies of Objects in VBA.
Because implicitly-generated constructors and assignment operators simply copy all class data members ("shallow copy"), [4] one should define explicit copy constructors and copy assignment operators for classes that encapsulate complex data structures or have external references such as pointers, if you need to copy the objects pointed to by ...
Array's destructor deletes the data array of the original, therefore, when it deleted copy's data, because they share the same pointer, it also deleted first's data. Line (2) now accesses invalid data and writes to it. This produces a segmentation fault. If we write our own copy constructor that performs a deep copy then this problem goes away.
Both file descriptors in a dup() system call refer to the same open file description which means they share file offset and file status flags; Similar but not identical to the logic used in pointers, shallow or deep copying or references, changes to the offset on one of the file descriptors changes it for the
Verizon settlement payments have started hitting customers' bank accounts as part of a $100 million resolution of a class-action lawsuit.. Eligible customers had until April 15 to claim their ...
After over 100 people were killed in a South Korea plane accident, here are the worst accidents and crashes in aviation history.
This page was last edited on 31 May 2015, at 18:45 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...
Rep. Mike Haridopolos spoke with Fox News Digital about representing the Space Coast in Florida and what the final frontier means for the U.S. and the Trump administration.