From: Vince Puzzella <vpuz@...>
Date: 2006-04-08T00:46:04+09:00
Subject: Re: Gems problem???

Oops!  Sorry, wrong list!


On 4/7/06 11:43 AM, "Vince Puzzella" <vpuz@rogers.com> wrote:

> Hi folks,
> 
> I just started getting this error all of a sudden (command line snippet):
> 
> vmac:~/workspace/eir vince$ ruby -v
> ruby 1.8.2 (2004-12-25) [powerpc-darwin8.0]
> vmac:~/workspace/eir vince$ rails -v
> Rails 1.0.0
> vmac:~/workspace/eir vince$ gem -v
> 0.8.11
> vmac:~/workspace/eir vince$ ./script/server
> /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in `require__': No
> such file to load -- initializer (LoadError)
>         from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in
> `require'
>         from ./script/../config/boot.rb:16
>         from ./script/server:2:in `require'
>         from ./script/server:2
> vmac:~/workspace/eir vince$
> 
> Is anybody else having the same issue?  Any clues as to what may be wrong?
> I did nothing to my environment, but the problem started after Mac OS X
> notified me that updates were available and I started them in the
> back-ground.
> 
> On 4/7/06 11:30 AM, "Austin Ziegler" <halostatue@gmail.com> wrote:
> 
>> On 4/7/06, Les Nightingill <lester@ix.netcom.com> wrote:
>> Logan Capaldo
>> wrote:
>>>> Likewise in ruby:
>>> 
>>> { :class => "A"  }
>>> 
>>> 
>> 1.send(:class)
>>> 
>>> The hash key has the same name as the method being sent
>> via send, but
>>> the results are different.
>> 
>> I too am struggling to
>> understand, and this statement has me even more
>> confused!
>> 
>> How can my
>> results be predictable if :class isn't uniquely associated
>> with something
>> (hash key, or method)? Doesn't this lead to ambiguities?
> 
> No. Like most
>> people, you seem to have assumed that Symbols are
> special. They aren't.
>> Really, there's not much difference between:
> 
>   { :class => "A" }
> 
> and
> 
>   { 5
>> => "A" }
> 
> It's the *methods* that are special. Not the Symbols. Symbols are
>> just
> invariant names. The only *really* special thing about them is
>> that
> syntax automatically creates Symbol objects, and those Symbol
>> objects
> exist for the life of the program. That is,
> 
>   def foo
>   end
> 
> creates
>> a Symbol called :foo. (If one doesn't already exist.) Similarly,
> 
>   class Foo
> 
>> end
> 
> creates a Symbol called :Foo (again, if one doesn't already exist).
> 
> But
>> the real magic of a Symbol isn't in the Symbol; it's just a name.
> There's
>> nothing special or magical about the name "Les Nightingill" --
> except that it
>> identifies you ... and anyone else named "Les
> Nightingill." There might be
>> very few people named "Les Nightingill",
> but I know of at least three people
>> named "Austin Ziegler" (including
> myself) and many more named "Austin". It's
>> how you *use* the name
> involved that makes the name special.
> 
> So the magic
>> behind #attr_acessor and #send (or #__send__) is the
> method, not its Symbol
>> argument.
> 
> Sort of like "Santorum." ;)
> 
> -austin
> --
> Austin Ziegler *
>> halostatue@gmail.com
>                * Alternate: austin@halostatue.ca
> 
> 
> 
>