woocommerce + exclude shiiping method for a city code example

Example 1: remove upsell products woocommerce

remove_action( 'woocommerce_after_single_product_summary', 'woocommerce_upsell_display', 15 );

Example 2: woocommerce exclude category from loop

/**
 * Exclude products from a particular category on the shop page
 */
function custom_pre_get_posts_query( $q ) {

    $tax_query = (array) $q->get( 'tax_query' );

    $tax_query[] = array(
           'taxonomy' => 'product_cat',
           'field' => 'slug',
           'terms' => array( 'clothing' ), // Don't display products in the clothing category on the shop page.
           'operator' => 'NOT IN'
    );


    $q->set( 'tax_query', $tax_query );

}
add_action( 'woocommerce_product_query', 'custom_pre_get_posts_query' );