July 2006
Intermediate to advanced
906 pages
23h
English
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Chapter 1. Strings
Ruby is a programmer-friendly language. If you are already familiar with object oriented programming, Ruby should quickly become second nature. If you’ve struggled with learning object-oriented programming or are not familiar with it, Ruby should make more sense to you than other object-oriented languages because Ruby’s methods are consistently named, concise, and generally act the way you expect.
Throughout this book, we demonstrate concepts through interactive Ruby sessions. Strings are a good place to start because not only are they a useful data type, they’re easy to create and use. They provide a simple introduction to Ruby, a point of comparison between Ruby and other languages you might know, and an approachable way to introduce important Ruby concepts like duck typing (see Recipe 1.12), open classes (demonstrated in Recipe 1.10), symbols (Recipe 1.7), and even Ruby gems (Recipe 1.20).
If you use Mac OS X or a Unix environment with Ruby installed, go to
your command line right now and type irb. If you’re using Windows, you can download
and install the One-Click Installer from http://rubyforge.org/projects/rubyinstaller/, and do the
same from a command prompt (you can also run the fxri program, if that’s more comfortable for
you). You’ve now entered an interactive Ruby shell, and you can follow
along with the code samples in most of this book’s recipes.
Strings in Ruby are much like strings in other dynamic languages like Perl, Python and PHP. They’re not ...
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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.