I still use the stack net for some stuff but they're about 50% on mark with the answers anymore. I don't recommend them if you're starting programming. There are lots of other places like code academy that will teach you the basics.
I kind of dislike the 50 bazillion mounted block devices. I'm an old gray beard at this point and I like my CLI. That's really my only complaint about it. It just seems unnatural to me. Otherwise they're fine mostly.