* If the article you are creating was deleted for not meeting the notability criteria, it means you probably did not source it with a reliable source, and the administartor who deleted it could not find a reliable source about the article you were writing.*
Define "reliable source." Could it ever include a thread on Hacker News, or a blog post written by an expert in the field?
Given that HN is a forum, HN threads are inherently not notable. Blog posts written by experts are a more grey area. It really depends on what the content you're backing up with the source is. For article notability, it probably wouldn't fly - but for backing up a claim made in the article, it might be okay.
Define "reliable source." Could it ever include a thread on Hacker News, or a blog post written by an expert in the field?