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The Latest

ANSI Join vs. WHERE Clause Join

Question: Is there a technical or logical difference between using an ANSI style join and specifying the join using the WHERE clause? Is there a general preference to either method,

Missing the Calendar Folder

Question: I have set up an Exchange mailbox in Outlook 2000, but I am missing some folders. I can only see the Deleted Items, Inbox, Outbox, and Sent Items folders.

Database Normalization/Design

Question: I have the following fields: productid, category. A product can be in many categories, and a category can have many products. For example, product1 can be under category1 and

Multiple Linking to a Table

Question: I have a main table where there are three fields: UserID, Postal code main, Postal code sub. I have a second table where there are two fields: Postal code,

Changing the Color of Command Buttons

Question: Is there a way to make command buttons appear in the color I choose, rather than the color selected in Windows > Display Properties > Appearance > 3DObjects? Command

Preventing VFP Shutdown During Logoff

Question: I have a Visual FoxPro 5.0 application that I installed to run as a service on an NT server. Everything works fine except for when the user attempts to

Using PSTs to Enhance Performance

Question: In a site that has multiple servers (some top-of-the-line, others border-line) is it better to use PSTs (personal file folders)? In other words, does it enable Exchange to perform

Importing Gigabytes of Data from a Flat File

Question: I’m currently working on a data warehousing application using SQL Server 7. The problem I have is that I have to import 610,000 records of mainframe data per day

Basic FoxPro SQL

Question: I’m trying to retrieve eight fields from four FoxPro tables via on-the-fly SQL from an ASP page… and I’m not familiar with FoxPro SQL. The following doesn’t work, but

Changing Outlook’s Default E-mail Message

Question: I want to change the format of the default e-mail message (IPM.Note). I have created a new form, but want it used whenever the user selects “New Message.” (I

Remove Unwanted System Menu Options

You’ve probably wanted to limit the normal operations of a form, such as resizing it, preventing it from being minimized or maximized, or allowing it to be closed only when

VB Project Analyzer Add-in

This great add-in lets you analyze one or more VB projects, and lists all the dependencies from each other and from other DLLs and type libraries. This is an exceptional

Play a CD Audio track

If you want to play a track of an audio CD from VB you can use MCI functions. The main MCI function is mciSendString, that sends command strings to the

Play an AVI movie in a PictureBox control

With MCI functions you can play an AVI movie into a PictureBox. All you need to do is open the file with a special procedure: Declare Function mciSendString Lib “winmm”

Record a WAV file

You can use MCI functions if you want to record a WAV file. The main MCI function is mciSendString, that sends command strings to the system and execute them. Declare

Play a MIDI file

If you want to play a MIDI file from VB you have to use MCI functions. The main MCI function is mciSendString, that sends command strings to the system and

Retrieve the size of an AVI movie

To retrieve the original size of an AVI file that you’ve already opened with the mciSendString API function you can use this command Dim RetString As StringRetString = Space$(256)CommandString =

Play an AVI movie

If you want to play an AVI movie from VB you can use MCI functions. The main MCI function is mciSendString, that sends command strings to the system and execute

What are Obfuscators?

Java bytecode contains information in your Java source files. This byte code is generated by the java compiler as per an explicitly documented specification. It is not impossible to reverse

What Is Javadoc?

Javadoc is a program shipped with JDK that you can use to run over your source code to produce documentation of your classes in the same type of HTML files

The Robots of Java

Version 1.3 of Java 2 platform, currently in Beta, has a new java.awt.Robot class that lets you generate mouse and key events at system level. You can use this to

The Memory of an Exception Object

The memory for the temporary copy of an exception that is being thrown is allocated in a platform-defined way. Note, however, that it may not be allocated on the free