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A Very Simple and Effective Captcha
I have a very simple anti-bot spam technique that works extremely well. It requires no javascript, cookies or complicated server weirdness, is fully accessible, has no hidden fields, has negligible overhead and takes just a moment or two to implement. It requires that the user fill out one field with a number, so it's good for anti-bot but will not prevent human spammers. In three years, I have yet to receive any spam on any of the many sites that I have installed this on. Sites that were being bombarded with hundreds of spams daily suddenly became quiet and good emails get though.
Read More »How to get published on evolt.org
Sometimes you may wonder why there isn't any new content on evolt.org for a longer time. Well, we do receive a lot of articles, but a lot of them are not fit for release on this very site.
All the more annoying and depressing for the writer when we have to formulate a nice email denying the publication.
Read More »Simulating Apache asis feature with very simple CGI
Search Engine Friendly URLs with IIS and Classic ASP
A few years ago, I needed a Content Management System (CMS) for my site Voor Beginners and its English counterpart For Beginners. One of the requirements was, that the CMS should use "search engine friendly" URLs. This is fairly easy to accomplish with Linux and Apache; however, another requirement was that the CMS should run on the Windows platform... In this article, I will show how you can "simulate" the effects of .htaccess and mod_rewrite using Microsoft's Internet Information Server (IIS) and classic ASP.
Read More »Google Algorithm Update Analysis
Working with hierarchical data in SQL using Ancestor tables
How to Get Listed in the DMOZ Directory
I'm a little confused. As an internet consultant specializing in search engine optimization, I believe that it is a good idea to submit your site to DMOZ (a.k.a. ODP or the Open Directory Project) --in fact, Google even encourages you to do so! However, being an ODP editor myself, I can tell you from personal experience that perhaps only 10-20% of all the site suggestions we receive actually follow our guidelines...
Read More »Failover Database Connection with PHP + mySQL
You want to connect to a mySQL database? Well, then it's likely you already know how. But how about connecting a second database if the first one fails? No? This could be a life saver.
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