John Dixon - Articles

 (237)

John is a web developer working for My Health Questions Matter, a company dedicated to helping patients to get the most out of their interaction with health care professionals such as doctors, midwives, and consultants.

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Popularity
300

Using Php to Validate Form Fields
This article explains how to use PHP to validate data entered in form fields on a web page. Read
By: John Dixon | 24/07/2008 | Web Design
Popularity
286

Finding Hidden Characters in a File
It is sometimes necessary to find hidden characters within one or more files. Read
By: John Dixon | 27/06/2008 | Programming
Popularity
249

Web Site Promotion Tips
When trying to get to the top of the search engine rankings there are certain things you should do, and other things you should not, in order to increase your chances of getting a top ten placement. Read
By: John Dixon | 20/06/2008 | SEO
Popularity
63

Exploiting Google Adsense
Google Adsense provides a great way to generate revenue from a web site. Read
By: John Dixon | 08/04/2008 | Internet Marketing
Popularity
57

Using Perl and Regular Expressions to Process Html Files - Part 2
In Part 1 we looked at what Perl and regular expressions are, and discussed how to use them to process ASCII files such as HTML files. In this part we'll develop a Perl script to process an HTML file. Read
By: John Dixon | 17/03/2008 | Programming
Popularity
63

Using Perl and Regular Expressions to Process Html Files - Part 1
Like many web content authors, over the past few years I've had many occasions when I've needed to clean up a bunch of HTML files that have been generated by a word processor or publishing package. Initially, I used to clean up the files manually, opening each one in turn, and making the same set of updates to each one. This works fine when you only have a few files to fix, but when you have hundreds or even thousands to do, you can very quickly be looking at weeks or even months of work. Read
By: John Dixon | 17/03/2008 | Programming
Popularity
50

Size Really Does Matter
I believe that by following three basic rules, it is relatively easy to achieve a high ranking with the major search engines: 1. Add lots of relevant content; 2. Build up plenty of good quality inbound links; 3. Be patient. Read
By: John Dixon | 14/03/2008 | SEO
Popularity
50

Running a Cgi Script on a Web Server
Getting a CGI script to run properly on a web server is sometimes easier said than done. In this article I'll describe two versions of a Perl script - one that is designed to run locally on a computer, and a second that is designed to run on a webserver. Read
By: John Dixon | 12/03/2008 | Web Design
Popularity
50

Automatically Running a Script From Within a Web Page
It is sometimes useful to automatically run a script when a web page is opened. Read
By: John Dixon | 12/03/2008 | Web Design
Popularity
50

Using Php to Change the Permissions on a Folder
It's sometimes necessary to enable visitors to website to upload files, for example, photos or other documents. By default, folder permissions are set to prevent people from being able to write to them, but you can easily change them temporarily to enable a file upload to be performed. Read
By: John Dixon | 12/03/2008 | Web Design