While it is hard to hear criticism directed at you personally, or at something you have put your heart and soul into developing; discerning between constructive

While it is hard to hear criticism directed at you personally, or at something you have put your heart and soul into developing; discerning between constructive criticism and 'knee-jerk responses' is critical. Maturity means that you can accept criticism that is intended to help you improve. Making you aware of an issue or directing you towards a better solution can make your code or product a better one. Simple insults thrown from the 'peanut gallery' should just be ignored. If you have built something using a particular language or framework on a particular platform; you should expect those who don't like those things to throw in their two cents without even trying to understand the problem you are trying to solve.