Question: How can I dynamically create a web page from an FTP directory listing of files with a particular extension? Answer: While there are sophisticated components (.DLLs) that you could
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
If you are rolling your own controls in VB5 to support applications dealing with databases, consider putting a “Valid” property, “Validation” event, and a “Required” property on your controls. The
Question: We have an application that uses Powertool as a class library. We want to move to PFC. Do you have any suggestions on how to accomplish this task? Is
Question: How do I insert a row in a drop-down datawindow in PowerBuilder? Answer: You need to use a function of the datawindow control called GetChild. This function returns a