In a Drupal site you may have a content type that needs an auto number to be generated that auto increments on each new node of that type.

To do this install the computed field module

http://drupal.org/project/computed_field

Then create a new field of the type computed field and add the code from the following URL

http://drupal.org/node/313110

For WordPress the integration with Akismet is an ideal solution for removing spam comments from your website. Until recently this tight integration was not available for Drupal. While Akismet was available for Drupal it lacked some of the abilities that WordPress included.

This was until Mollom became available for Drupal, designed by Dries Buytaert, the founder of Drupal. Mollom works in a similar way to Akismet however has tight integration with Drupal. A free version is available for smaller sites and a professional version for busier sites costing 30 Euros/month.

For more about Mollom visit:

www.mollom.com

For more about Drupal visit:

www.drupal.org

I have tested Mollom on a number of client sites and will be implementing it soon on our parent website, www.imafish.co.uk .

If you get out of memory errors in PHP or if Drupal suggests you increase the memory available to PHP then you can do this with the following line of code:

ini_set('memory_limit','16M');

In Drupal the best place to put this is in the settings.php file found in sites/default/

When installing Drupal 6 if you find the database page keeps reloading when you enter the database details try to enter the username/password and database name directly into sites/default/settings.php

For some reason even when setting the settings.php file to writable Drupal cannot write to it which is why you need to enter it manually.