Re: funkcja round

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Article #727

#727

From: Bober
Date: Wed, 28 Nov 2007 21:02

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On 28 Lis, 20:02, Roman Dobosz <gryf_esm...@spam-o2.pl> wrote:
> On Wed, 28 Nov 2007 10:36:08 -0800 (PST)
>
> Bober <sebastian.bobrow...@gmail.com> wrote:
> > > str = sprintf("%.2f", num)
> > a czy można jakoś ustawić mysql
> > albo activerecord w railsach, żeby double było zwracane z przecinkiem
> > (2,45) a nie
> > jak jest domyślnie z kropką (3.23) ?
>
> Musiałbyś zmienić to w samym języku:
>
> irb > a = 2,3
>     ==> [2, 3]
> irb > a.class
>     ==> Array
> irb > b = 2.3
>     ==> 2.3
> irb > b.class
>     ==> Float
>
> To co możesz zrobić, to w modelu dopisać sobie metody które będą Ci
> zwracać i pracować string '2,3' na float.
>

tego się obawiałem, no nic dziękuje za wyjaśnienie.

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From: Bober <sebastian.bobrowski@gmail.com>
Newsgroups: pl.comp.lang.ruby
Subject: Re: funkcja round
Date: Wed, 28 Nov 2007 13:02:21 -0800 (PST)
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