The start of another series of introductory JavaScript tutorials. This one introduces the concept of functions and how to define them in JavaScript.
How to Define a Function

My monthly newsletter is sent out on the 22nd of each month and eventually a month or so later is added to the site for everyone to see. If you sign up for the newsletter now you will be in time to receive the April edition which will be sent out in just a few [...]

All programming languages have what are known as reserved words. These are the words to which the language has assigned special meanings and they generate the basic structure of how the language itself works. You can’t use reserved words for any purpose within the language than that for which their use is reserved. Not all [...]

People use all different screen resolutions on their computers and not everyone has their browser window open full screen. This simple JavaScript will detect the available space in the browser window and select between two different sized versions of the same image depending on whether or not the larger one will fit. That allows those [...]

If you have two or more computers in your house then networking them together will make using them much easier than if each is completely independent. Here we look at the basics of what you need to do in order to get your computers talking to one another.
Where to Start

Most computer keyboards these days have a couple of extra keys at the bottom that earlier keyboards didn’t have. One or two of these keys have a Widows logo on them. There is probably also one there with a small menu icon on it. In this article I explain what those keys on your keyboard [...]

An answer to the question of what cursors are used for in DB2.
DB2 Cursors

Judging by the number of computer questions that I receive where the sender has selected the mainframe category that in fact have nothing whatever to do with mainframe computers, I’d say that there are a lot of people who have no idea what a mainframe is.
Well one of those people finally decided to ask the [...]