August 2019
Beginner to intermediate
798 pages
17h 2m
English
Content preview from Mastering Go - Second Edition
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Two handy UNIX utilities
There are times when a UNIX program fails for some unknown reason or does not perform well and you want to find out why without having to rewrite your code and add a plethora of debugging statements.
This section will present two command-line utilities that allow you to see the C system calls executed by an executable file. The names of the two tools are strace(1) and dtrace(1) and they allow you to inspect the operation of a program.
Please remember that at the end of the day, all programs that work on UNIX machines end up using C system calls to communicate with the UNIX kernel and perform most of their tasks.
Although both tools can work with the go run command, you will get less unrelated output if you first ...
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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.