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2. Object copying - Wikipedia

   en.wikipedia.org/wiki/Object_copying

   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.

3. Cloning (programming) - Wikipedia

   en.wikipedia.org/wiki/Cloning_(programming)

   C++ objects in general behave like primitive types, so to copy a C++ object one could use the '=' (assignment) operator. There is a default assignment operator provided for all classes, but its effect may be altered through the use of operator overloading. There are dangers when using this technique (see slicing).

4. Copy constructor (C++) - Wikipedia

   en.wikipedia.org/wiki/Copy_constructor_(C++)

   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.

5. List of PDF software - Wikipedia

   en.wikipedia.org/wiki/List_of_PDF_software

   Open-source, cross-platform C library to generate PDF files. OpenPDF: GNU LGPLv3 / MPLv2.0: Open source library to create and manipulate PDF files in Java. Fork of an older version of iText, but with the original LGPL / MPL license. PDFsharp: MIT C# developer library to create, extract, edit PDF files. Poppler: GNU GPL

6. Assignment operator (C++) - Wikipedia

   en.wikipedia.org/wiki/Assignment_operator_(C++)

   In the C++ programming language, the assignment operator, =, is the operator used for assignment.Like most other operators in C++, it can be overloaded.. The copy assignment operator, often just called the "assignment operator", is a special case of assignment operator where the source (right-hand side) and destination (left-hand side) are of the same class type.

7. Shallow copy - Wikipedia

   en.wikipedia.org/?title=Shallow_copy&redirect=no

   Shallow copy. Add languages. Add links ... move to sidebar hide. Actions Read; Edit; View history; General What links here; Related changes; Upload file; Special ...