June 2007
Intermediate to advanced
294 pages
8h 6m
English
Content preview from Ruby by Example
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Chapter 5. Number Utilities
Numbers are fundamental for all computers and programming languages, and Ruby is no exception. In this chapter’s scripts, we’ll deal with useful data that is primarily numeric but is otherwise quite diverse. We’ll explore some pure math, following up with recursion, which I introduced in Chapter 4. We’ll also do some type conversion, whereby numbers will be represented in different ways that are convenient for human users. We’ll also do some unit conversion, specifically monetary units.[12] While doing all of this, we’ll also delve further into metaprogramming, Hashes, using external libraries, and two distinct formats ...
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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.