I didn't see this before I wrote my other comment (https://news.ycombinator.com/item?id=25337491 https://news.ycombinator.com/item?id=25337491), but the free So

I didn't see this before I wrote my other comment (https://news.ycombinator.com/item?id=25337491 https://news.ycombinator.com/item?id=25337491), but the free Software Debugging course on Udacity is great: https://www.udacity.com/course/software-debugging--cs259 https://www.udacity.com/course/software-debugging--cs259