If you need to have your WordPress search only search posts for results, you can insert this code before the ‘if(have_posts()):’ line on search.php and it will do that for you. Further to that you can add any arguments from…
A quick guide to correctly set WordPress up to have a custom home page template.
A guide on how to create a fairly flexible Twitter widget for your site or themes you build.
How to create a random redirect using the wp_redirect() function built into WordPress.
A step by step guide on how to create a menu of child pages by using the post ID of a child page.
A step by step guide of how to enable multi-site in WordPress 3, so you can create a network of sites on the one domain.
I was trying to get the top level category for a post in WordPress today and got a bit baffled about how to go about it.