From: Nicolas Blanco <slainer68@...>
Date: 2006-08-28T22:48:20+09:00
Subject: Re: Newbie : assign a value to a variable...

Thanks for the trick.

But the next problem is that if params[:per_page] equals 0 then per_page 
equals 0 and I get the error message "must have at least one item per 
page" from the Rails paginate option...


unknown wrote:
> Hi --
> 
> On Mon, 28 Aug 2006, Nicolas Blanco wrote:
> 
>> end
>>
>> Is there a better way to do this (put the parameter in the variable if
>> the parameter is not null, otherwise put 20) ?
> 
> You can use the || (or) operator:
> 
>    per_page = @params[:per_page] || 20
> 
> 
> David


-- 
Posted via http://www.ruby-forum.com/.