September 2017
Beginner
278 pages
4h 24m
English
Content preview from Understanding SoftwareBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 17. The Fundamental Philosophy of Debugging
Sometimes people have a very hard time debugging. Mostly, these are people who believe that in order to debug a system, you have to think about it instead of looking at it.
Let me give you an example of what I mean. Let's say you have a web server that is silently failing to serve pages to users 5% of the time. What is your reaction to this question: "Why?"
Do you immediately try to come up with some answer? Do you start guessing? If so, you are doing the wrong thing. The right answer to that question is: "I don't know." And this gives us the first step to successful debugging:
When you start debugging, realize that you do not already know the answer.
It can be tempting to think that you already ...
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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.