From: Zayd Abdullah <devrubygem@...>
Date: 2009-02-04T04:12:24+09:00
Subject: Re: 1.9.1?

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Thanks Guys. So in a short list, what should be the features to stay away
from in 1.8, I just purchased "Beginning Ruby" by Peter Cooper, I really
would hate to struggle trying to get something then find out its no longer
needed or being used in 1.9 lol.

Thanks

2009/2/3 Jonathon Brenner <jonbrenner@gmail.com>

> Not all books. Take a look at Programming 1.9 by Pragmatic Programmers
> (http://preview.tinyurl.com/7xfvk7). They constantly update their PDF
> books to keep in step with the latest changes to Ruby.
>
> Good luck.
>
> 2009/2/3 Zayd Abdullah <devrubygem@gmail.com>
>  >
> > So since these changes have been made, will us noobs be hurting ourselv=
es
> > starting off learning 1.8.6? Books to learn from are teaching from 1.8.
> >
> > thanks
> >
> > 2009/2/3 Rados=B3aw Bu=B3at <radek.bulat@gmail.com>
> >
> > >  On Tue, Feb 3, 2009 at 6:14 PM, yuckysocks <
> alex.m.mcpherson@gmail.com>
> > > wrote:
> > > > Hi there,
> > > >
> > > > I'm about 2 weeks into my learning attempt at Ruby (1.8.6 is what
> I've
> > > > cut my teeth on).
> > > >
> > > > Can someone give me a rational assessment of the differences betwee=
n
> > > > the two language versions, and which one I should continue to pursu=
e?
> > > >
> > > > I'm mainly using Ruby with Rails to make basic webapps for my own
> > > > edification.
> > > >
> > > > Thanks!
> > > >
> > > > Alex
> > > >
> > > >
> > >
> > > Very short answer:
> > > - new virtual machine (previously just AST interpreter)
> > > - memory diet for some objects (Object, Array, String etc)
> > > - improved speed (see
> > >
> > >
> http://antoniocangiano.com/2008/12/09/the-great-ruby-shootout-december-20=
08/
> > > )
> > > - added character encoding support (previously works only with raw
> bytes)
> > > - new syntax for hashes with symbols as keys, hashes preserve keys
> order
> > > - many changes to API (improved, added consistency, removed deprecate=
d
> code
> > > etc)
> > > - changes in language semantics (for example block arguments now work=
s
> > > (almost?) the same as method arguments)
> > > - new lambda literal:  ->
> > > - external iterators (class Enumerator) now are built in
> > > - new concept such a fiber (class Fiber)
> > > - native threads (but with GIL like python)
> > > - rubygems, rake are built in
> > > - minitest supercedes old test/unit
> > >
> > >
> > > --
> > > Pozdrawiam
> > >
> > > Rados=B3aw Bu=B3at
> > > http://radarek.jogger.pl - m=F3j blog
> > >
> > >
>
>

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