At work, recently I attended an excellent presentation given by a colleague where we talked about Debugging in general (across both Managed and Unmanaged code), and what the various categories are, and various tools at ones disposal, etc. I thought this post from Rico on how to find GC leaks was quite timely for that topic.
[Listening to: City of Blinding Lights - U2 - How to Dismantle an Atomic Bomb [Bonus Track] (05:48)]