Solr for WordPress works with WordPress 2.7.0 and greater.
Solr 1.3 or greater.
Yes, from the settings page. Uncheck the "Facet on FIELD" option, for the FIELD you don't want a facet for.
A taxonomy is a hierarchal facet. This means that your subcategories will be treated as a child to the parent category instead of an individual facet.
Here is what an example category taxonomy look like:
-States
---California
------Los Angeles
---New York
------New York
Here is that same category not treating it as a taxonomy:
-States
-California
-Los Angeles
-New York
-New York
As you can see, treating it as a taxonomy is much better.
You need to delete and re-index your data.
See solr-for-wordpress/template/search.css for an example, or view the source of the search results.
Yes, it is fairly trivial as well. Follow the steps for custom theme integration. At the top of that page, insert a comment similar to the following:
Login to the WordPress admin GUI, select add new page, set the title of the page to "Search". On the right hand side you will see a drop-down box that says "Template", click that and select "Search". Leave the content of the page blank and publish the page.
You will have have your "/search/" page.
Solr for WordPress is internationalized. There is supplied .pot file that you can use for translations. See http://codex.wordpress.org/Translating_WordPress for more details.
Login to the WordPress admin, select pages, click the page you want to exclude. The post id is what you are looking for, you can find it in the titlebar as the &post= parameter. In this example, the page id is 22, http://www.yourblog.com/wp-admin/page.php?action=edit&post=22.




