Apache Solr and Drupal

Apache Solr is an open source search platform that can make search queries much faster. It is surprisingly easy to integrate it with Drupal by using the Search API framework.

Faceted search with Search API in Drupal

With Search API and Facet API it is easy to create facet blocks to narrow the result set of a view or a search. This tutorial covers the basics steps how to do this.

TCPDF and Drupal

If you want to generate pdf on your Drupal site, there are multiple modules you can choose. Most of them are complex modules targeting to solve problems like converting entities or filled forms to pdf. However, when I needed to create a custom pdf file with a custom module I did not find any other viable solutions, but to download and integrate a pdf library myself. I chose to use the TCPDF library, and decided to create a general integration module for it.

Rules checklist

Rules is one of the most sophisticated modules you can find in the drupal sphere. It can be used to build complex and flexible systems that respond to a specific event. The three most important components of the module are events, conditions and actions. A reaction rule always needs a specified event to happen on the site, but the action takes place only if the criteria match.