wpfan

<?php

add_filter('posts_orderby', 'blog_change_sort', 10, 2);

function blog_change_sort( $orderby, $query ) {

    // Only modify main query
    // On the tutorial category page
    if( $query->is_main_query() && is_category('tutorials') ) {
        return "post_title ASC";

wpfan

<?php

add_action('pre_get_posts', 'blog_change_sort');

function blog_change_sort( $query ) {

    // Only modify main query
    // On the tutorial category page
    if( $query->is_main_query() && is_category('tutorials') ) {
        $query->set('orderby', 'title');

wpfan

<?php

add_filter( 'posts_request', 'show_posts_request' );

function show_posts_request( $request ) {
	echo $request;
        return $request;
}

?>

wpfan

<?php

add_action( 'pre_get_posts', 'blog_exclude_cat' );

function blog_exclude_cat( $query ) {

        // Only modify the main query
        // On the home page
	if( $query->is_main_query() && $query->is_home() ) {
		$query->set( 'cat', '-8' );