How much of that is because the second time you come to solve a problem, you have already learned all the solutions? not negating the power of node.js, but if

How much of that is because the second time you come to solve a problem, you have already learned all the solutions? not negating the power of node.js, but if you google enough you can see success stories of migrating from any to any other language, including https://blog.twitter.com/2011/twitter-search-is-now-3x-faster https://blog.twitter.com/2011/twitter-search-is-now-3x-faste...