Imagine you have to write a simple stock quote application that accepts stock symbols and retrieves their current values. Using a std::string object to represent a stock symbol is inefficient
When a program opens a file, the operating system returns a corresponding file descriptor that the program refers to in order to process the file. A file descriptor is a
The standard header contains forward-declarations of the I/O classes and templates. This header is sufficient to refer to any of the I/O classes and templates but not to apply operation
Overloading the function call operator can be somewhat confusing because the overloaded operator has two pairs of parentheses. It may not be immediately obvious which of these pairs declares the
The abbreviated forms “ctor” and “dtor” (“c-tor” and “d-tor”) are widely used in C++ literature, newsgroups, magazines, and in the ANSI/ISO Standard. These terms are simply the shorter forms of
How would you like to be able to make a form automatically resize and reposition all its controls and fonts whenever you resize the form? How would you like to
Forms 2.0 Designer provides a variety of special visual effects. Your forms can have flat, raised, sunken, etched, or bumpy background textures. You can also have the background picture tile,
Here’s an easy method for making sure your users enter only numeric data, and only one decimal point. First, place two Public procedures in a standard module. You can use
When you’re editing a series of controls, you can multiselect them either by clicking while holding down the Control button or by “lassoing” them with the mouse, then enter the