August 2019
Beginner to intermediate
798 pages
17h 2m
English
Content preview from Mastering Go - Second Edition
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Generating random numbers
Random number generation is an art as well as a research area in computer science. This is because computers are purely logical machines, and it turns out that using them to generate random numbers is extremely difficult!
Go uses the math/rand package for generating pseudo-random numbers. It needs a seed to start producing the numbers. The seed is used for initializing the entire process, and it is extremely important because if you always start with the same seed, you will always get the same sequence of pseudo-random numbers. This means that everybody can regenerate that sequence, and that particular sequence will not be random after all.
The name of the utility that will help us to generate pseudo-random numbers ...
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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.