PHP if Condition not working

You should be using the “AND” operator, not “OR”

<?php if (!is_page('about-us') && !is_page('news-articles')) {wp_head();}?> 

Because you want to display the WP head only if both conditions are true.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)