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John Dixon - ArticlesUsing Php to Populate a Drop Down List Box From a Mysql Database TableDrop down list boxes provide a great way to enable visitors to your web site to select an item on a form. Normally, you hard code the items on the drop down list box - but what about if you want to get the items from a database table. Using Php to Validate Form FieldsThis article explains how to use PHP to validate data entered in form fields on a web page. Finding Hidden Characters in a FileIt is sometimes necessary to find hidden characters within one or more files. Web Site Promotion TipsWhen 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. Exploiting Google AdsenseGoogle Adsense provides a great way to generate revenue from a web site. Using Perl and Regular Expressions to Process Html Files - Part 2In 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. Using Perl and Regular Expressions to Process Html Files - Part 1Like 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. Size Really Does MatterI 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. Running a Cgi Script on a Web ServerGetting 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. Automatically Running a Script From Within a Web PageIt is sometimes useful to automatically run a script when a web page is opened.
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