Total Network Members: 1,615,198    Threads: 3,445,464

Knowledgebase Categories

Corporate Sites
Feedback for our sites
  • How do I leave feedback regarding the Forums?
  • If you have questions, comments, or suggestions for any of the forums in the Developer Shed Network of sites, please address them to Mark Roberts via e-mail:
  • How do I leave feedback on Articles?
  • We try to have articles and discussions covering all areas of technology, but we are human and as such, are always looking for ways to improve our content. If you have any suggestions or recommendations concerning our articles and content - ways we can improve, topics you would like to see covered, etc - please let us know!

    There are several ways you can leave us feedback. For starters, inside each article you can find a "Comment" section. This is typically used for leaving feedback or questions for the author.

    In addition, each article on our site gets its own thread in our forums. If you want to join in on a community discussion regarding a particular tutorial, you can find a link to do so in the respective article.

    Finally, if you wish to reach out directly to our editorial team, you can shoot general inquiries to

    To reach the Editor-in-Chief or Community Manager directly, send an e-mail to Mark Roberts:
  • More topics
  • How can I unsubscribe to the newsletter?
  • If you wish to unsubscribe from our newsletter, please click here.
  • Why did I receive 50 copies of your newsletter in my email?
  • There are several reasons why you may be receiving more than one copy of our newsletter. Perhaps you signed up a while ago and forgot, or our database may have duplicated your entry for another reason. If you feel this is the case, please send an e-mail to with the subject: "Multiple Newsletters" and we will try our best to resolve the issue for you.

    This problem can also be caused by a failure of communication between our mail server and your mail server. Signing up to receive our newsletter through a generic email account such as Yahoo Mail or Gmail can usually resolve this issue.
  • More topics
Developer Shed Sites
  • What is Dev Shed?
  • Dev Shed is a website that features tutorials, news, and how-tos that focus on open source and enterprise-level technologies, including PHP, MySQL, Linux, Oracle, Java, and more. We feature cutting-edge articles by acclaimed authors and boast the most popular developer forums on the Internet.

    You can find our open source programming tutorial and news site by visiting:

    Our developer forums are located at:
  • What is SEO Chat?
  • SEO Chat offers search engine optimization tips, tricks and strategies for internet marketers and features a very active SEO forum community, where the greatest minds come to discuss topics such as Google Optimization, Social Media, affiliate marketing, and how to climb your way to the top of the SERPs! SEO Chat is also home to some great SEO tools you won't find anywhere else on the net.

    You can find our tutorial and news site at

    Our search engine optimization forums are located at:
  • More topics
PDF Help
  • Why can’t I open PDF files in Firefox?
  • The most common cause of this problem is that the Adobe Acrobat Reader plug-in for FireFox has not been installed properly. A common cause of this is when you install FireFox after installing Acrobat Reader.

    You can fix this issue by downloading and installing the latest version of Acrobat Reader from the following location:
  • Why I can’t view the PDF version for online articles?
  • First, make sure you wait until the entire pages loads and the word "Done" appears on the status bar of your browser (in the lower left-hand corner). Our sites use JavaScript to create a new window to display the PDF files, so if you click the link prior to the page fully loading - or if you have JavaScript disabled - the page may not be able to execute the JavaScript properly, resulting in the PDF not displaying. To enable JavaScript, please follow the instructions in this guide: How to Enable JavaScript in Your Browser
  • More topics