What does the 'und' stand for in field_definition in D7

dprint_r($variables['node']) in theme preprocess function gives the following output:

AJAX in Drupal 7

Hello, hope this is the right place to post this question.

I have been reading up on AJAX for Drupal, and found this tutorial: http://drupal.org/node/305747. I tried out the code, but was unable to get it working, which was not surprising as it is tagged as being for Drupal 5/6.
Would greatly appreciate it if someone could point out the parts I need to change to get things working in Drupal 7.

Tgas and taxonomy not working on comments

I've tried setting up both tags and taxonomy for comments and while I have had no problem applying them to the comments I can't seem to filter by either tags or comments in a view and they don't appear in the nodes for the relevant tags or taxonomy terms. As an example, I have tagged a comment "blue" and then when I create a view and filter by the term "blue" nothing appears in the view and nothing appears at http://www.mywebsite.com/tags/blue?

Geocoding in Italy

Hi!

I've this small problem: I'm using the location + gmap module, but when I select geocoding options, it say Italy: no service available... Do you know any workaround? Thank you so much! :D

The Alby87 Project

associate node url with term name?pathauto?

Now I 'm using pathauto 3 and I'm confused about how to combine the term name(e.g.,culture) with specific node title(e.g.,Chinese life style) in node url.

Drupal, View, Taxonomy list

Hi!
I'm creating a small site in Drupal 7, for a university course.

I want to implement a simple search engine, I was using Views module using exposed filters: I know there are more elegant ways, but for me it's just good.

I've created a "flea market" style site: One put the insertion, the other contact him.

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