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Asynchronous HTTP And HTML or AHAH is a technique which allows you to update parts of a DOM without reloading the entire page. In Drupal, AHAH refers to adjusting forms dynamically by changing a part of a form based on input given in other form elements without a page reload.

While Drupal 5 was downright lacking support for AHAH driven forms, it became part of the FAPI in Drupal 6. Module developers are able to design dynamic forms without worrying about writing complex JQuery. Yet, implementing and debugging AHAH in a secure and maintainable fashion is still tricky business.

Skip the general crap - give me the details please

Apache Solr is a great solution for implementing faceted search into a Drupal website. (have a quick read on faceted-search and facets if you don't know what we're talking about)
Through the work of Robert Douglas and others Drupal has this functionality virtually out of the box.
Installing a Solr Server can sometimes be a hassle though, so we recommend reading the lucene tutorial or the krimson tutorial prior to the attempt. Or just try the acquia distribution which connects to acquia's farm of solr servers with one click. Thus far the good news.
The problem with current Drupal solution is that it does not yet provide all the power that Apache Solr gives us. We have tackled the fact that it is currently only possible to sort search results on a strict set of only 4 fields (relevancy, title, author, date) which are in fact the only fields common to All nodes.

On October 22, 2009 - Krimson was present at the Digital Marketing event (DMF09) in Tour & Taxi's, Brussels.

It was an intense day - starting with the Krimson Krew (Jan, Donald and Roel) travelling more than 2 hours from Antwerp to Brussels in traffic jams.

We were just in time to be able to do the presentation "How to lose your client, and make them feel happy about it".

Solr Custom Sort is a module that I made for the Air Miles Project. By default, Apache Solr doesn't allow you to add sort types. Basically, you can only use those that are standard set in advance. For the Air Miles project, this wasn't what we needed. Therefore, I'm now working on the Custom Sort module, a module that allows me to add multiple sort criteria, with the ability to manage them all.
The challenge for me is now to get transparency. Today the module can only be managed by administers but in the future this should be possible for all users.