Marty questions

Marty answers

• how to show user's username when logged into a wordpress site?
• $_POST returns empty on form submit in wordpress
• Exclude one file from password protection in .htaccess
• Wordpress widget how to only display sub-categories based on selected Parent Category?
• wordpress list user roles
• order posts by custom field
• Removing title from wp_list_categories()
• Multiple excerpt lengths in wordpress