December 2021
Intermediate to advanced
510 pages
11h 20m
English
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Developing the Initial Version of colStats
Let’s build the colStats tool and make sure it works before looking for ways to optimize it. The program will receive two optional input parameters each with a default value:
- -col: The column on which to execute the operation. It defaults to 1.
- -op: The operation to execute on the selected column. Initially, this tool will support two operations: sum, which calculates the sum of all values in the column, and avg, which determines the average value of the column. You can add more operations later if you want.
In addition to the two optional flags, this tool accepts any number of file names to process. If the user provides more than one file name, the tool combines the results for the same column in all ...
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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.
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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.