Probability this will come in handy at least once in a 40-year career: 80%
Probability I will remember this solution: 3%
Probability I will vaguely remember Raymond said something interesting about it sometime: 15%
Probability I would install a "Raymondizer" extension to VS that pops up during obscure errors (such as __purecall) and points to relevant Raymond Chen blog posts: 100%
