Archive for April, 2012

Sunday, April 29th, 2012

Defining a Class Library

If you are using a programming language that supports classes then obtaining a class library that supplies a lot of the common functionality that you need will save you a lot of time. Regardless of whether you actually do that or not there will be a whole lot of functionality that your projects will require […]

Tuesday, April 24th, 2012

Two JavaScript Page Updates

This week I have updated two pages in the JavaScript section. One discusses how to share cookie data with other people via the server and the other is a list of events that JavaScript recognises – now a much longer list of events than was on the page previously.

Monday, April 23rd, 2012

Spam Warning

My inbox the last few days has been flooded with emails requesting that I confirm my email address for a variety of services – some that I have accounts with and many where I do not. With none of these have I done anything that should require email confirmation. Hovering over the confirm links displays […]

Thursday, April 19th, 2012

Determining what Resolution is Appropriate

I don’t have many general graphics articles on the site and this one was the very first one that I wrote. There are many different uses to which graphics can be put and the appropriate resolution for the image will be different on that use. Determining what Resolution is Appropriate

Wednesday, April 18th, 2012

The Difference Between Characters and Strings

Both C and C++ (as well as many of the more recent languages derived from them) distinguish between a constant containing a single character and a constant containing a string of characters. The way you quote the content does count. The Difference Between Characters and Strings

Tuesday, April 17th, 2012

Four More Updates

This week’s updated pages are: CSS – Adjacent Selectors Linux – Getting Started with Linux Security – Passwords Windows – How to Hide a Filename

Saturday, April 14th, 2012

Selecting a Graphical Interface

Unlike Windows and Mac operating systems, Linux does not have a graphical interface built in. Instead there are a fairly large number of graphical interfaces that have been built to run on Linux and it is your choice as to which one (or more than one) they you have installed. In this article I describe […]

Thursday, April 12th, 2012

Put Yourself in the Picture

Altering a photograph to add yourself (or anything at all for that matter) into the foreground of the photo is a trivial exercise with PhotoShop. All you need is a copy of the photo to be altered in electronic format along with a photo of what you want to add (also in electronic format) with […]

Wednesday, April 11th, 2012

Updates this Week

Another three pages rewritten this week. What are Stylesheets? Difference between RENAMES and REDEFINES How to Open a Link in a New Window?

Monday, April 9th, 2012

“Webbots, Spiders, and Screen Scrapers”

The first edition of this book came out while I was discussing a book deal with the publisher and so I ended up not reviewing the book in order to avoid any possibility that it might be seen as a conflict of interest. As it turned out, I didn’t have enough time available then for […]

Thursday, April 5th, 2012

This Week’s Updated Pages

Three pages updated this week: Monitoring Software Multiple Classes Offline Email Programs

Sunday, April 1st, 2012

Capturing Screen Images

When you are writing about how to use computers the way I do you will frequently have situations where it is useful to provide an image of what the screen or part of the screen is supposed to look like so that people following your tutorial can see where the menu options are that you […]