Comment on Why is processing a sorted array faster than an unsorted array?parentComments−ancarda13yI was under the impression HN prevented you from submitting the same URL. How has this happened?Edit: Looks like each URL is slightly different.−DanBC13ySometimes people deliberately add stuff to the end of the URL to get past the dupe-check. Perhaps this needs to be penalized somehow?(https://news.ycombinator.com/item?id=5679080)And it's not helpful that people link to various places on the SE page (the question, or one of the answers), rather than a canonical link to the page.−ColinWright13yIndeed. Also, sometimes repeats slip through, most likely if the earlier submission is no longer in cache/memory.
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I was under the impression HN prevented you from submitting the same URL. How has this happened?
Edit: Looks like each URL is slightly different.
Sometimes people deliberately add stuff to the end of the URL to get past the dupe-check. Perhaps this needs to be penalized somehow?
(https://news.ycombinator.com/item?id=5679080)
And it's not helpful that people link to various places on the SE page (the question, or one of the answers), rather than a canonical link to the page.
Indeed. Also, sometimes repeats slip through, most likely if the earlier submission is no longer in cache/memory.