how to exclude specific category types (uncategorized) from blog page?

Question

I made one blog post page and 2 second page I made for uncategorized category page using this file category-uncategorized.php and now I want to remove this all uncategorized category from blog page.

and here is a code

<?php if(have_posts()) :
    while (have_posts()) :
        the_post();
        get_template_part('content', get_post_format());
    endwhile;?>
    <?php echo bootstrap_pagination($query) ?>
<?php else :
    echo '<p>No Content Found</p>';
    endif;?>

Answer 1

Please try code given below:

function blog_exclude_category( $query ) {
    if ( $query->is_home() && $query->is_main_query() ) {
        $query->set( 'cat', '-1' );
    }
}
add_action( 'pre_get_posts', 'blog_exclude_category' );

Add this in your functions.php