November 2009
Intermediate to advanced
232 pages
5h 8m
English
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Heisenbugs
A heisenbug—a bug that “goes away” the instant you start looking for it—is so named by analogy with the Heisenberg Uncertainty Principle from quantum mechanics, which (loosely speaking) states that it’s impossible to observe a system without changing its behavior.[26] The typical heisenbug reproduces reliably in the field but goes into hiding the instant you start looking for it. They can be very frustrating to diagnose.
The problem is that all the techniques available to you to examine your software’s behavior affect that behavior to some degree or another. Whether you capture the information you need by adding instrumentation directly to the code or by running it under a debugger, doing so will almost certainly change its timing, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.