Tip Bank

Many programmers don’t realize that it is perfectly legal to use the name of a function inside the Function itself, as if it were a local variable. This trick often

You can create “polymorphic” routines that work with any type of array (except arrays of fixed-length strings, or UDTs) by using Variant parameters. Take for example the following code: Function

At times you may want to return a Dos ErrorLevel when closing your VB application. This can be necessary, for example, if the EXE is meant to be called from

‘———————————————————‘ OverwriteHandler class” you can associate this class to a form, using the’ Form property, and all the textbox controls in the’ form will support insert/overwrite mode switching” Usage: Dim

If you need a quick-and-dirty About dialog box for your application, that maintains a consistent look with other Windows applications, look no further than the ShellAbout routine in SHELL32.DLL. Using

The Swing package, which is now a standard API package in Java 2, offers a new timer utility. This utility is implicitly threaded and lets you create as many timer

The SELECT element includes an options array that is accessible from JavaScript. You can use a loop to iterate through this array and count how many choices the user has

In Standard C and C++, the address of the first element past the end of an array can be used in pointer arithmetic. Thus, you can initialize a vector with

The Standard defines a side effect as a change in the state of the execution environment. Modifying an object, accessing a volatile object, invoking a library I/O function, or calling