Static variables (not to be confused with static class members) have the qualities of both global and local variables: they are initialized by default to binary zeroes (unless explicitly initialized

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A class member declared static is a single instance of that member shared by all instances of this class (that’s why it is sometimes termed a class variable, as opposed

Operator new allocates memory from the heap, on which an object is constructed. Standard C++ also supports placement new operator, which constructs an object on a pre-allocated buffer. This is

Choosing a short name for a namespace can eventually lead to a name clash. On the other hand, very long namespaces are not easy to use. For that purpose, namespace

Identifiers starting with __ (double underscore) are reserved for C/C++ implementations and standard libraries. Furthermore, C++ programs are transformed by the compiler (inline substitution, addition of this as an argument

Before implementing containers such list, vector, queue, stack etc., by yourself, you can cut costs and software shipment time significantly by using The Standard Template Library, or STL. STL defines

Most VB4 programmers know they can access a form’s control collection using a For Each loop. Many, however, are not aware that individual control arrays are actually collections. This knowledge

Often users print from applications that support a font the printer doesn’t. An error occurs if an application uses a statement such as Printer.Print SomethingToPrint following a Printer.FontName = FontName

Just about every VB developer uses the Move (Screen.Width – Width) 2, (Screen.Height – Height) 2 method to center the forms on screen. However, when the user has the Windows

When you want to set a flag to True or False, depending on the results of a comparison, you don’t need to use an If statement like this: If x

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According to the C++ standard, the following line is illegal: char *s = “hello world”; //illegal Though still supported by many compilers, it’s deprecated and should be avoided. The reason

In many frameworks and software projects, all classes are enforced to be descendants of one common generic class, usually named Object. This design policy prevails in other OO language such

A reference is always bound to the same object. When that object is destroyed, any use of its reference yields undefined behavior. The following example may demonstrate that: int &

If you don’t want users of your class to be able to assign objects of its type (password string objects are a good example), you can declare a private assignment