How to set up and use Apache Solr in php

Apache Solr is an open source search platform that can make search queries much faster. Here we will be learning to install and configure Apache Solr in Ubuntu.

Unblock users with Views Bulk Operations (VBO) in Drupal 7

While creating the user's list in views, Views Bulk Operations (VBO) module gives the option to perform 'Block current users' operation but doesn't give any option to perform 'Unblock current user' operation. Here is the code snippet tutorial to add "Unblock users" option in Views Bulk Operations in views.