Thanks, this is a useful reference. I am sad about some of these other comments, which I might paraphrase as "This doesn't help me, and it might help people wh

Thanks, this is a useful reference. I am sad about some of these other comments, which I might paraphrase as "This doesn't help me, and it might help people who are less skilled than me who don't deserve to be helped, therefore it's worthless". It's apparently a common sentiment on this site, but it shouldn't be.