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The Latest

Displaying the Timestamp in SQL Server 7

Question: I want to show my users when a record was last updated. Is there any way to display the timestamp field? Answer: The timestamp field is not a good

Error Message When Creating a New ActiveX Class

Question: I’m running Windows NT 4.0 (Service Pack 3) and have developed an ActiveX Server (EXE) using Visual Basic 6 (Service Pack 3). How come whenever I try to create

BIOS Version Information

Question: I have scoured the Web and can’t find any information on where to obtain BIOS version/name information. As far as I can tell, there are no APIs or C

Rediscover the FrontPage Server Administrator

After upgrading your system to FrontPage 2000, you may get an error message when you try to run the FrontPage Server Administrator from the Windows NT Option Pack group. The

Use REFIID instead of const IID&

Because GUID are 16 bytes in size, you don’t want to pass them by value. Instead, you should pass them by reference. This is why Queryinterface takes a constant reference.

Use Connection Pooling to Enhance Performance

You can experience a great increase in database performance if you utilize connection pooling. Creating a connection to a database takes a lot of time and resources. If every you

Quick-Start XML

o, you’ve been too busy earning an honest living to get into XML, and your data couldn’t be more disorganized. Don’t worry, because building upon the Visual Basic skills you

Communicate With the Server Using XMLHTTP

f you’ve been working with Extensible Markup Language (XML) anytime lately, you’ve probably realized what a powerful language it can be. You can do all kinds of interesting perambulations to

VBControlName – The name of a VB control

‘ the name of a control given the corresponding VBControl object’ (accounts for items in control arrays)Function VBControlName(vbc As VBIDE.VBControl) As String Dim index As Long index = vbc.Properties(“Index”) If

Fill a TreeView control with random data

Every now and then you need to fill a TreeView control with some random data, for example when you want to test a routine and you don’t want to write

ConvertSelectedTex – Convert text selected in code window

‘ Convert to uppercase, lowercase, or propercase the text that is’ currently selected in the active code windowSub ConvertSelectedText(VBInstance As VBIDE.VBE, Optional conversion As Long = _ vbUpperCase) Dim startLine

Improve Performance of IIS by Changing Threading Model

Internet Information Server (IIS), by default, uses an apartment-threaded, or single-threaded, threading model. This design choice was made because many Web sites still used Access as the database backend. Access,

A Reference to a Reference is Illegal

What is wrong with this code snippet? #include #include using std::string;using std::list;class Node {/*..*/};int main(){ list ln; //error} If you try to compile this example, your compiler will issue numerous

Random Integers Over an Integer Interval

The java.util.Random class has a public int nextInt() method that returns a randomly selected integer, but there is no innate method in that class to create a random number over

Reporting an Error During Object’s Construction

Constructors have no return value (not even void). Therefore, you have to use alternative techniques of reporting errors during object’s construction. There are three common techniques of reporting such errors.

Find Text Between Two Strings

This function is useful for returning a portion of a string between two points in the string. You could, for example, extract a range name returned by Excel found between

Repeat Performance

A simple loop through your main string lets you count the occurrences of a specified character or string. This function is useful for determining if enough commas appear in your

Transport a List

The typical way of entering user-specified data into a list box is one entry at a time; however, you can accept multiple delimited entries at once and add them to

Avoid ADO Errors by Including ADOVBS.INC

The IntelliSense feature of Visual InterDev is very handy, but it may induce you to add bugs to your code. For example, when you are using a recordset object’s Open