That reminds me of that one XKCD strip. Sometimes, after figuring out the answer, I would want to post it as a new reply to the thread, but then I'd have to re

That reminds me of that one XKCD strip. Sometimes, after figuring out the answer, I would want to post it as a new reply to the thread, but then I'd have to register as a new user to a forum which I don't know if I'd ever visit again, or sometimes the thread was archived and didn't allow new replies. Even if I managed to, I'd soon be reprimanded by the moderators for necromancing the thread.