A lot of people on HN seem to have this opinion. A lot of the content on that site has been re-written, and it's now a pretty fantastic resource for beginners.
If you tell 2 beginners to build something with PHP/jQuery/JS, and send one person to W3Schools and the other to PHP.net/jquery.org/MDN, I have no doubt that the W3schools person will get something done in workable state faster.
If you tell 2 beginners to build something with PHP/jQuery/JS, and send one person to W3Schools and the other to PHP.net/jquery.org/MDN, I have no doubt that the W3schools person will get something done in workable state faster.