function imnobby_home_page_post_filter($query){
 if($query->is_home() && $query->is_main_query()) {
 $query->set('cat', '-72'); // get_the_ID('codedb');
 } 
}
add_action('pre_get_posts', 'imnobby_home_page_post_filter');
Related Keywords: Developer, How-to, Solved, WP Action Filter Hook, Override Default WP Loop, Override Main Query