Since 1998, DevX has helped people start businesses, build websites, and provide enterprise technology to people globally. Interviewing the likes of Microsoft’s co-founder, Steve Ballmer, the publication brings comprehensive, reliable, and accessible insights to the Internet.
Question: How do I set up forwarding in Exchange? I have a user who wants all mail coming into his current Exchange e-mail box to be forwarded to a personal
Question: Is there a way to determine the Window Handle (hWnd) in an Active Server Page? I am calling an ActiveX DLL from ASP written in Visual Basic and need
Browsers Targeted: Internet Explorer 4+ Designing effective Web graphics is always a challenge?you want to provide the best looking graphics on all platforms, but when one person runs their browser
Browsers Targeted: Internet Explorer 3+ You can display a message in the status bar of Internet Explorer using the window.status object. This message is highly transient and should be used
Question: JavaScript’s date() function gives the user’s computer date and time. How do I display my local date and time on my Web page regardless of where the user surfs
Question: Is there any way to cache a .js file at the client, just like an image file, to reduce the number of trips to the server? Answer: You don’t
Question: How can I make the title bar of a window flash? Answer: This can’t be done using JavaScript. Most browsers delegate the responsibility for how their windows are displayed
Question: Is it possible to use more than one onLoad command in my tag? Answer: Sure. Like other event handlers, the onLoad event handler you’re including within the tag on
If you are using Internet Information Server version 5, you can redirect browsers to a new page more efficiently. In IIS 4, you had to use Response.Redirect as in this
When you need to iterate through all the elements of a control array, use this code: Dim J As IntegerFor J = Text1.LBound to Text1.Ubound With Text1(J) ‘ Work here…
If you want to step through the code behind a certainscreen element at run time, you might do something like this in break mode: Hit Ctrl-Break from run mode, use
Toss the Common Dialogs ControlIn Chris Barlow
The Split function is great for parsing strings, but what happens when a string has more than one consecutive delimiter? It might seem odd that Split() returns empty substrings as
Applets use a default background of gray, which may not be visually appealing to you. Besides, gray may be the background color of the web page on which the applet
Modern Java IDEs like Symantec’s Visual Cafe and Inprise’s JBuilder offer advanced applet debugging facilities. However, if you develop your applets using only the freely distributed JDK, it might be
It sometimes makes a lot of sense to throw an exceptionfrom the constructor of a class; look at constructors ofthe java.net.URL for an example. But what do we do if
A call to repaint() will schedule a component to be repainted when the gui thread is free. But what if we can’t wait till then? Well, we can use the
Applets are executed within a web browser, and there’s an easy way to load show a specific URL. 1. Get a reference to the applet context 2. Call the showDocument
Sometimes, it is useful to know which fonts are installed. This can differ from one Java Virtual Machine (JVM) implementation to another. The following code displays the names of all
Sometimes, it is useful to obtain a binary representation of integer, or a character. For example, we might want to represent the character ‘a’ by its binary 01100001, the letter
The java.lang.Math package has useful trigonometric functions such as: public static native double sin(double a) public static native double asin(double a). So, if we write code: double x = 90;
Question: When we call the ShowHelp function in Windows 95, it works with a topic ID but not with a keyword. However, the same source works just the opposite in
A nice touch to a Web page is a button that changes appearance when clicked. All you need is two GIFs and a little JavaScript. The following code initially displays
It is natural to assume that later versions of software will improve performance and fix bugs. However, you may run into the opposite if you try that with an Access
Question: I have a VB application that contains two forms. Form A is a Control Library that contains several Frames, Labels, Text Boxes, and Command buttons. (Note: some of these
Question: I would like some help with implementing inheritance in VB6. Answer: VB, as of the current version doesn’t really support inheritance, all you can do is have one class
Question: I have a form from which I am searching a database.The search is being conducted between a startdate and an enddate.As the default I’d like to have the first
Question: What’s the best way to transfer a file via FTP in Visual Basic? Answer: This is a simple procedure. All you have to do is use the Microsoft Internet
Question: Our Informix 7.31 TC2 server has had some troubles recently. It worked properly for about four or five hours but then it rejected any request! Users who are already










