Archive for June, 2010

Tuesday, June 29th, 2010

Best Methods to Repair Windows PC Errors

Another guest article with information on how to resolve a couple more errors that may occur on your computer. Best Methods to Repair Windows PC Errors

Sunday, June 27th, 2010

Returning a Value

In this sixth introductory JavaScript tutorial on how to use functions we look at how you can return a value from the function that will be substituted into the calling code in place of the call. Returning a Value

Friday, June 25th, 2010

Working Offline

For those people still using a dial up internet connection, the amount of time that you can actually spend connected to the internet will be somewhat more limited than you would get with a broadband connection. By planning out what you are going to do in advance you can arrange things so as to make […]

Wednesday, June 23rd, 2010

Copying from a Drop Down List

Using JavaScript with drop down lists is not the most obvious of interactions to code. In this article we look at the JavaScript code needed to copy the entry selected from the drop down list into an adjacent input text field. It would of course be just as easy to use the value retrieved from […]

Tuesday, June 22nd, 2010

Passing Information Between Pages

There are three ways that you can pass data between web pages using JavaScript and this article shows you how each of the three methods works. using a cookie using frames or on the end of the URL as a querystring There are of course other ways to pass information between pages using server side […]

Monday, June 21st, 2010

Hackers – Heroes of the Computer Revolution

This book took me much longer to review than any book I have reviewed before simply because it took me several times as long to read as any of the others. This wasn’t because the book was harder to read, it was because the book captured my interest so much that I kept stopping and […]

Wednesday, June 16th, 2010

Same Function Different Variables

Continuing on the introductory JavaScript series about functions this third tutorial looks at how we can define arguments within the function so that we can pass different parameters to the function each time we call it rather than having the function access our global variables and hence always process the same variables. Same Function Different […]

Monday, June 14th, 2010

Advanced System Care

This system utility program is available in two versions – free and Pro. The main functionality of the program is to clear the garbage from your system registry. It also provides a number of other useful functions not all of which work quite the way that is claimed. Find out more about what I think […]

Sunday, June 13th, 2010

The Scope of Variables

The scope of a variable is the extent of the code in which the variable exists. For JavaScript variables defined within a function their scope is the function that they are defined in. Variables defined outside of functions as well as variables used without being first defined have global scope. The Scope of Variables

Saturday, June 12th, 2010

Optional Parameters

With JavaScript functions we don’t need to have a specific number of parameters to pass into a function. If we have situations where fewer parameters are required then we can set the JavaScript up to handle that simply by placing the mandatory ones first in the list and following them with the optional ones. JavaScript […]

Friday, June 11th, 2010

Hot Spot Image Rollovers

Here’s a way to save a lot of space on a web page by placing all of your images in the same spot on the page and using JavaScript to determine which of the images is the one that is currently visible. Hot Spot Image Rollovers

Thursday, June 10th, 2010

Byte Size

I received a question asking why it was decided to make bytes eight bits in size rather than some other size. I do not know the exact reason why this happened but here is my explanation of why I think that bytes ended up that size. Byte Size