Functions having a long list of arguments such as: void retrieve(const string& title, const string& author, int ISBN, int year, bool& inStore); can become a maintenance problem, since their argument

A binary search tree can be useful when you have to traverse a lot of data in sorted order. As this CBinarySearchTree class demonstrates, you can implement binary search trees

Have you ever tried to create tools on a toolbar using an image list, only to find that you must detach the toolbar from the list and reset all the

Try this routine to select or deselect all items in a list box. Add a list box to your form with the MultiSelect property set to Simple or Extended, and

Sometimes you might need a browser to keep reloading the latest version of a page automatically. A good example of this is a page that displays an image from a

Use this code to create a tree of folders on Windows 95 or NT 4.0 in one line: Private Declare Function _ MakeSureDirectoryPathExists Lib “IMAGEHLP.DLL” _ (ByVal DirPath As String)

If you use HTML tables to lay out your pages, it’s worth knowing about two properties of the tag that help you control the way table cells behave. The CELLSPACING

You can automatically redirect visitors from one page to another in several ways. Here’s a flexible method that uses JavaScript to modify the href property of the location object in

If your Web site moves to a new address, you won’t want to lose all the people who have bookmarked the old one. Luckily there are several ways to create

Question: I’m trying to create a padding effect around this box of text that glides on to the screen from the right. I need to have it so that the

Starting with Visual Basic 4.0, you can add conditional compilation statements and use them to create different versions for 16-bit and 32-bit environments or to call debugging DLLs while testing

Sometimes it is useful to know if your program is running within Visual Basic’s Integrated Development Environment (IDE) or as a standalone EXE. This routine returns True if the program

You can read and write arrays quickly from files using Put and Get. This approach is faster than reading and writing the array one entry at a time: Dim arr(1

Black and white printers cannot print gray lines, but they can dither to create gray areas. To create a gray border around an area, draw thin gray boxes with DrawStyle

Don’t you hate that VB5’s Setup Wizard doesn’t include all the files you reference in your application? For example, if you access a picture or animation file at run time

Many sites include rollover effects to make images change when the mouse moves over them. However, sometimes there’s an unsightly delay while the second graphic is downloaded from the server.

If you’re not careful about how you include Java applets in your Web pages, people who use browsers that don’t support Java (or who have deliberately switched off Java support)

Older browsers that don’t support HTML frames won’t display anything when they attempt (and fail) to load a page containing the code to set up frames. So a good design

To save time, browsers often load a frequently visited page from a local cache on the client’s computer rather than request it from the relevant Web server. The catch with

HTML’s page layout features are limited for older browsers–tables provide one of the few ways you can force text or graphics to appear in particular positions. Another addition to your

The terms “undefined behavior” and “unspecified behavior” are not interchangeable. Undefined behavior indicates that an implementation may behave unpredictably when a program reaches a certain state, which almost without exception

Manual calculation of a struct/class size is not just an indication of poor design and a source of maintenance problems; it may also lead to bugs that are very hard

You may have encountered this problem before–your program contains a full path name of a file, into which data has to be written or read from: FILE * f =

The following restrictions apply to operator overloading: 1. Invention of new operators is not allowed. For example: void operator @ (int) ; //illegal, @ is not a built-in operator or

Here’s a Visual Basic routine that invokes the default browser: Private Declare Function ShellExecute Lib”shell32.dll” Alias “ShellExecuteA” (ByValhwnd As Long, ByVal lpOperation As String,ByVal lpFile As String, ByVal lpParametersAs String,

Normally, from within a Java applet you can create a java.net.URL instance using the “ftp://” protocol handler. But you may need a third-party library to access FTP from a Java