From: Pat Maddox <pergesu@...>
Date: 2007-05-08T02:36:18+09:00
Subject: Re: [Rails] passing by value of object of a model

The difference is that #classify also makes the string singular.  For example:

"funky_chickens".camelize  => "FunkyChickens"
"funky_chickens".classify     => "FunkyChicken"

You can view the source of both methods:
http://api.rubyonrails.com/classes/Inflector.html#M001081
http://api.rubyonrails.com/classes/Inflector.html#M001088

Pat

On 5/7/07, arjun ghosh <arjun4ruby@gmail.com> wrote:
> hi,
>  i realized that from Alex's msg. Though Pat's info helped me to learn this
> way of discovering the class from a name. i finally have used the object
> reference method as it seemed more intutive and simpler as i already had the
> object for the above said model.
> Any way thanks to all for the quick help. This is also one thing i like
> about RoR - awsome community support..:-)
> ciao.
> A quick question - This is for Pat and Nanyang --
> Pat u told about "food_dept".classify.constantize
> and Nanyang u told the method
> "food_dept".camelize.constantize and when i ran it in
> console and checked for class, both gave me class type. so whats the
> diffrence?
>
> -AG
>
>
>  On 5/7/07, David Chelimsky <dchelimsky@gmail.com> wrote:
> > On 5/7/07, arjun ghosh <arjun4ruby@gmail.com> wrote:
> > > Hi,
> > > can anyone tell me - is it possible to pass a string name equivalent of
> a
> > > model name(example:- have a model called food_dept and i am passing the
> > > string "food_dept" to a method) and then covert(or cast) it to its
> original
> > > model equivalent so that i can use its object in the called method. and
> why
> > > i am i trying to this manner is because i want to avoid passing an
> object
> > > which will make it very heavy.
> >
> > Unless I'm missing something (which is usually the case :) ), there
> > seems to be a misunderstanding of how variables work in Ruby.
> >
> > When you pass food_dept (or FoodDept) to another method, you are not
> > passing the object itself, but rather a variable which holds a
> > reference to the object. What you suggest, passing its name and then
> > discovering the class from its name is far more expensive than simply
> > using the variable.
> >
> > Cheers,
> > David
> >
> > >i think there should be some better elegant
> > > manner of doing this. can any one help me with this?
> > > ciao
> > > -AG
> > >
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