Absolutely spot on... I love watching Siraj Raval's videos on ML - but darn it every other video has a 2 or 3 minute segment where he's just scratching his head

Absolutely spot on... I love watching Siraj Raval's videos on ML - but darn it every other video has a 2 or 3 minute segment where he's just scratching his head - finally to realize there is a typo that could have been caught with a typed language!