From: Greg Hauptmann <greg.hauptmann.ruby@...>
Date: 2007-02-16T05:24:04+09:00
Subject: Re: within a block passed to "each" can I detect the last time the block is called?

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excellent - thanks James!

On 2/16/07, James Edward Gray II <james@grayproductions.net> wrote:
>
> On Feb 15, 2007, at 1:49 PM, Greg Hauptmann wrote:
>
> > Does anyone know a way for the below code, to tell when the last
> > block is
> > called via "each" so that I can detect this and not add a
> > superfluous "&" to
> > the end of the string being built up?
>
> Doesn't exactly answer your question, but:
>
> >    postDataHash.each { |key, value|
> >      postDataString << "#{key}=#{value}&"
> >    }
>
> postDataString << postDataHash.map { |k, v| "#{k}=#{v}" }.join("&")
>
> James Edward Gray II
>
>

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