Posts by Authors

  • Here’s a very good article on how to optimize performance and improve security on Apache Servers. “This guide is written mostly for web administrators/developers, who want to optimize the speed and increase the security of Apache web server. Without a doubt, Apache is still one of the best web servers on the Internet. Being open [...]

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  • A new threat for PHPBB users. Here’s a post from the PHP Security Blog. “At Halloween 2005 I had disclosed a number of bugs in phpBB, including a remote code execution exploit through the signature_bbcode_uid variable. You will not find this vulnerability in the phpBB security tracker because it is phpBB project’s practise to blame [...]

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  • Here’s a cool way to swap Stylesheets on the fly using UDASSS(Unobtrusive Degradable Ajax Style Sheet Switcher). Works great even if Javascript is disabled on the browser. The Unobtrusive Degradable Ajax Style Sheet Switcher combines the power of Server Side processing and DOM scripting to swap style sheets on the fly with the power of [...]

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  • Here are a 3 tutorials showing you how to upload, store and watermark your images using GD with PHP. The first tutorial shows you how to upload and store images on your server using PHP & GD. Link: Storage and re-use of images using PHP/GD – Part 1 :: gvtulder.f2o.org The second part of the [...]

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  • This is an attempt to create a free encyclopedia on cryptography. The initiative was started on 21-Dec-2005 by one of my friends Anuj Seth. The project is looking for contributions in terms of providing original (non-copyrighted) material. You can add it directly to the site at the appropriate location, once you register yourself there. Link [...]

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  • Here’s a great tutorial on how to create a fully functional search engine using the Symfony framework. You can develop your own search engine, with results ordered by relevancy, smart indexing and stemming of search terms. Head over to this fifteen-minutes tutorial from the symfony project. Link: symfony PHP5 framework ยป Search engine Symfony is [...]

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  • Here are a few XML parsing tutorials from kirupa.com. Kirupa.com is a cool place to check out tutorials on Flash and PHP. ” If you are looking at this tutorial then you probably have a good idea in your head about what XML is and what you can do with it. However, for those of [...]

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  • Imagine using a simple HTML file to send a request to a server-side script, receive a custom XML file based on that request, and then display it to the user without ever refreshing the browser! Kris Hadlock explains how to use a combination of PHP and AJAX to create real-time data transfers in any application [...]

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  • PHP is a terrific language for the rapid development of dynamic Websites. It also has many features that are friendly to beginning programmers, such as the fact that it doesn’t require variable declarations. However, many of these features can lead a programmer inadvertently to allow security holes to creep into a Web application. The popular [...]

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  • Imagine that you’re selling a digital product online. Maybe you’ve written an article or a book and want to sell it on your site as a PDF. There are many ways one could do this, but one of the more convenient is to provide the user with a unique URL that only will work a [...]

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