Tip Bank

Question: Does each instance of a class have its own copies of instance methodsin the same way it has its own copies of instance variables? Answer: Every time you instantiate

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

Question: We’ve developed a human resources system based on the principles advocated by Rockford Lhotka in VB6 Business Objects. We used a SQL 7.0 database and stored procedures in conjunction

A lesser-known, new feature in VB6 is the ability to have MultiUse and GlobalMultiUse classes within an ActiveX control project. This is useful if you have ActiveX controls and creatable

For some reason unknown to me, the designers of java.util.Calendar class have enumerated months of the year from 0 to 11 inclusive. So, January would be month zero, and December

To test your applets using the applet viewer, put the following comment in your Java file: /* */ Then you won’t need an HTML file for your applet code. The

In ASP pages, you can share script functions or libraries using the #INCLUDEdirective. This feature allows you to share subroutines and functions acrossmultiple pages. Instead of repeating similar (or rather

IObjectControl is the second COM interface (besides the COM interface IObjectContext) of the component class factory, as stored in MTS when the component is installed. This interface is useful for

There are two limitation about writing ASP code with VBScript. First of all, all variables must be variants. Second, VBScript can currently retrieve output parameters only when they are declared