bLanark writes "Well, as children and adults all over the world begin their day with chocolate, with the traditional Advent calendar, I'd like to remind you that there's an alternative for geeks. The Perl Advent calendar will give you a new Perl tip every day right up to Christmas."
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.