There are a few links like this that get submitted about every 4 or 5 days. At first I was annoyed, but now I kind of think it's a good thing- with the usership growing on this site it's probably important to hit some of these great pieces. If only the comments could be consolidated or something though...
I think this was posted before in the first few days of YC news. A recommended read.
See: http://news.ycombinator.com/comments?id=574
Oops... thanks. Wish the system checked for duplicate URLs on submission.
It does. The URLs submitted slightly differ.
yes by 'index.php'. So the point on checking 'slightly similiar' urls is valid. A simple regex on 'index.foo' (path) after the http://news.ycombinator.com (authority) could pick this up.