May 13, 1998

The dynamic_cast operator may convert an object to another related (derived or a base) object at run-time. When it fails to convert a pointer to the target pointer, it returns

When a data member is declared mutable, then it is legal to assign a value to it from a const member function. The following example may demonstrate when it is

The advantages of a string object over a C-style char* are obvious. Yet there are times you may still need a null-terminated char*, for example, when legacy C code is

Whenever your class uses a type-field, as in the following case: class Internl { //internationalization aid Lang lg; //type field FontResource fonts public: enum Lang {English, Hebrew, Danish} Internl(Lang lang)

Here is useful code for a generic routine to load a grid from anSQL statement. The example shown is for RDO and Sheridan’s grid,but works with minor modification for any