A reader tried to declare a template as a virtual member function of a class. However, his compiler refused to compile the code. The reader wanted to know what he

Many C compilers provide a non-standard feature called “structured exception handling”, or SEH for short. SEH can trap asynchronous, platform-specific exceptions such as division by zero, floating point overflow and

You should always prefer to use one language in your Web pages.When you use both VBScript and JavaScript on the same page, bothscript engines are loaded into memory. Simply rewriting

The SQL Server 7.0 automatically recalculates the table’s distribution statistics when the number of changes reaches some predefined values. This automatic recalculation of the distribution statistics can cause problems such

Java Database Connectivity (JDBC) is an API that enables Java developers to access any tabular data source (e.g relational databases) from Java code. The API comes as a set of

Editor’s Note:This text has changed from the original version. Have you ever needed toconvert a byte array (byte []) into a displayable hex string? The JDK does notprovide this capability

The argument type of a function template is normally deduced automatically. For example: int n = max (5,10); /* max deduced because 5 and 10 are of type int */

One reader posted the following question: “I have two classes that have the same member functions and data members. However, the member functions perform different operations. Why can’t I do

If you need unique string IDs and don’t have a sure-fire way of either generating or guaranteeing the generated ID is unique, then you need a Universally Unique ID (UUID)

Here’s a quick way to drop a drive’s folder hierarchy into a TreeView control. The advantage to using this method is that folders are enumerated only when a node is

Have you ever tried to pass a VB system color constant-such as vbButtonFace-to an API call that asks for a color? I frequently need to use system colors for GDI

Say you’ve written a cool add-in for the VB design environment. It’s got its own menu item in the Add-Ins menu, and when you click on it, your add-in launches

Sometimes it’s necessary to share variables between multiple instances of an application. For example, you might want to share a database connection. Here’s how: Create an ActiveX EXE with an

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Question: How can I convert a class instance to a byte array and thensubsequently reconstruct the original class from the byte array? Answer: Java’s Object Serialization API allows you to