Talk about not knowing the history of the field! I haven't read Programmers at Work yet, but it is on my to-read list. I completely forgot about it when writing this review.

Code Complete obviously has a lot more technical details in its advice on writing code. A lot of them are very specific to C/C++. A lot of them should be obvious. Coders at Work has a lot more general guidance that can be applied in any programming setting, and more importantly they're put into better context so you can kind of get why people recommend doing what they recommend. Code Complete is not that great at explaining "why." I think both are worth reading.