Module development and code questions

I'm not sure if I'm missing something, but when I use the backup module it simply saves my files, but not the database. Is this the case for everyone, or is there something else I should be doing?

To reduce memory usage I split up my module into the actual .module file and several .inc files. Some others modules e.g. gallery do the
same. Trying to port a module to 5.0 I realised this is no longer possible and I cant explain why. I'm not even convinced this is a Drupal issue.

Code like this works fine in 4.7 and CVS:

Using Drupal 4.7.2

This is the second time that this has happened to me and I have no idea why. I'm writing a form, then using the "submit" function to pick up the form values and do something with it. Yet the "form_values" field is apparently empty. Here is my submit function:

What would the PHP look like in a Markup field in Webform if I want to display one profile field if the value of another profile field is a specific value.

Hi all,

Is it possible to have filtering variables in the Node Reference field type of CCK to narrow down the available choices?

For example, I have one content type called "Superheroes" which has the following fields:

• Hero's Name (Text field)
• Type (Select List).

The Type has two "allowed values": Alien and Mutant.

Then, I have another content type called "Super Team" which has the following fields:

I'm using the Category Module. When I create new content, I want the menu for picking the category to be like the taxonomy menu - that is, I want it to be at the top of the page and expanded automatically. Any idea how to do this?