Previously submitted with discussion on front page. https://news.ycombinator.com/item?id=6212326 https://news.ycombinator.com/item?id=6212326 Using the canoni

Previously submitted with discussion on front page. https://news.ycombinator.com/item?id=6212326 https://news.ycombinator.com/item?id=6212326 Using the canonical URL with each submission helps avoid duplicate submissions.