That's exactly the point and in response to the sibling comment as well - using StackOverFlow to find solutions to simple problems is the smart thing to do. Developers on SO compete for the best solutions. You're job as a developer is to curate and pick up new modern day conventions in doing so. The reason I don't waste time on reversing a palindrome is because frankly I'd rather spend time doing more important things for my products, and because its such a fundamental knowledge then how to reverse a palindrome is an answer that is available as fast as my brain could think about it. There are more important and more interesting problems to solve.