Are old Ruby books (1.8 & older) absolute?

Ruby
1

I’m new to ruby and currently learning it from “Learn Ruby The Hard Way”
website, even thought I’m three exercises away from finishing it, there
several things that I didn’t have complete understanding off like
automated testing and for example I want to dig deeper into Ruby OO.

I found many books targeting Rails 4 but non targeting Ruby 2.0, most of
the ruby books are from 2008-2009.

So I’m asking is there a major difference in ruby fundamentals between
1.8/1.9 and 2.0, that will make whatever I learned absolute and
irrelevant ?

2

On Mar 5, 2014, at 22:10, Medo S. [email protected] wrote:

So I’m asking is there a major difference in ruby fundamentals between
1.8/1.9 and 2.0, that will make whatever I learned absolute and
irrelevant ?

I think you mean “obsolete” (out of date), not “absolute” (total; not
qualified).

No, they’re not obsolete for a beginner. 90+% of the content will be
applicable to newer rubies. Learn using whatever resources you have
available. I hope you enjoy ruby.