Drupal

Today, I was trying to get Drupal to automatically announce new posts on Twitter. To do this, I had to install the Twitter and OAuth modules. Following instructions, I created an application on Twitter and linked my Drupal account to it configuring it to announce new posts upon publishing them. However, this did not work as I ran into the following long-winded error message in the logs:

If you find that you Drupal installation is WSOD-dead with the following error message:
Error: Class 'SelectQueryExtender' not found in includes/pager.inc

then this means that you've messed up the Drupal (7, at the time of writing) registry somehow. You might have done this during an import/export operation where you forgot to export the registry and registry_file tables, or as I did, you have foolishly just emptied them to clear up issues with a missing class file that Drupal fastidiously continues to track.

If you administer or program websites etc., you often find yourself wondering what the specifics of a particular website or its server are. For e.g., you might want to know if a server is running on Linux, or if a site is based on Drupal or Mambo. The following sites all assist in this endeavour:

If you've upgraded Drupal recently and noticed that the admin page is empty and returns a You do not have any administrative items error message, then this basically means that your menu table is a little wonky. Another tell-tale sign that you've got the same problem as I did is that the admin page will have the title, Administer rather than Administration. Fixing this is pretty straightforward, if a little painstaking. To do so, make sure that the Menu module is enabled and perform the following steps: