Set the parameter hide_empty to false. <?php wp_list_categories( ‘hide_empty=0’ ); ?> wp_list_categories() in the WordPress Codex.

Loading the jQuery that comes with WordPress Add this PHP code to header.php before wp_head() <?php wp_enqueue_script( ‘jquery’ ); ?> What not to do – Using a Google served jQuery instead Add this PHP code to functions.php but make sure it’s the latest version. <?php function my_scripts_method() { wp_deregister_script( ‘jquery’ ); wp_register_script( ‘jquery’, ‘http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js’); wp_enqueue_script( […]