August 2019
Beginner to intermediate
798 pages
17h 2m
English
Content preview from Mastering Go - Second Edition
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A simple example
In this subsection, you will learn how to select a particular column from a line of text. To make things more interesting, you will also learn how to read a text file line by line. However, file I/O is the subject of Chapter 8, Telling a UNIX System What to Do, so you should refer to that chapter in order to get more information about the relevant Go code.
The name of the Go source file is selectColumn.go. It will be presented in five segments. The utility needs at least two command-line arguments to operate; the first one is the required column number and the second one is the path of the text file to process. However, you can use as many text files as you want – selectColumn.go will process all of them one by one.
The first ...
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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.
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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.