What would you say if you found out that there was a way for a web site to store up to 100,000 bytes of information on your PC that they can use for tracking your activities, and you have no control over it with your normal browser security settings? Would you be surprised? What if these files can be scattered throughout your PC, and are not detected and removed by most anti-virus software? Prepare to be surprised. (more…)

Many older sites written in PHP as well as many newer sites that evolved from older legacy code will find their sites broken when their servers are upgraded to PHP 5.3. That’s because many older PHP functions and INI directives are now formally deprecated (made obsolete) in version 5.3.
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I just noticed a domain name auction where the seller was claiming that the .mn domain extension is a Minnesota domain. You may have also seen people selling .ws domains as a domain meaning “web site” or a domain ending in .tv for “television station” or .md as meaning “medical doctor.” What do all of these have in common? If they are being sold with that type of claim, they may be misrepresented.
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The first impression that a user gets when visiting a website is the speed at which the page downloads and renders. How many times have you hit the back button and abandoned a web site because it was loading slowly? We offer some methods to prevent this from happening with your web site.
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For years people have tried to figure out how Google manages to produce lightning fast search results from the huge amount of data that they have to work with. They are still not giving away all of their secrets, but they have a released a free tool and a set of web site develoment "best practices" to help web site owners improve the performance of their web sites.
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We have received several requests for information regarding how to edit live online files using FileZilla. You will need to configure FileZilla to edit live files. Here is how you do it.
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Sometimes there is a need to display the list of files in the directory and allow a user to select a file name from the list. We run into this most often when a user must be able to select an image or a document to be downloaded or displayed after being selected. Here is a very simple PHP script that will display the content of a web site directory using an HTML select list.
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Sometimes you need to use a drop-down select box routine to allow users to select a date that you can easily save in a MySQL database. Here is one way to generate date boxes using PHP. The code also includes a JavaScript date validation function that prevent users from selecting an invalid date. The function also handles leap year situations.
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The robots.txt file, also called the robots exclusion file, is used to provide useful information to search engine spiders. The file can serve a number of purposes, but it is primarily used to tell a spider which files and directories should NOT be indexed, and that is why it is also called the robots exclusion file.
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One of the first questions that comes up when someone starts using PHP and the very powerful MySQL database is: How do I page through the results of a query like I see with search results on many web sites? This is pretty easy to accomplish if you know how to use the MySQL LIMIT clause.
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