From: Julian Leviston <julian@...>
Date: 2008-04-03T16:50:41+09:00
Subject: Re: ArgumentError even if variable is set

That's because your params["numdomains"] is returning a blank array,  
so technically it's not empty. to_i is a method of the string class.

you could put

params["numdomains"].to_s.to_i

But I don't know why your numdomains is returning an array??

Julian


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On 03/04/2008, at 6:44 PM, Prabhas Gupte wrote:

> Julian Leviston wrote:
>> This is because cgi.params["numdomains"] will return a string.
>>
>> As a range can't be from a number to a string, you get the following
>> problem:
>>
>> in irb:
>>>> (0.."30")
>> ArgumentError: bad value for range
>>  from (irb):1
>>
>> What you need to do is run "to_i" on the string.
>>
>> unless cgi.params['numdomains'].empty? then
>> $numdomains = cgi.params['numdomains'].to_i
>> else
>> $numdomains = 3
>> end
>>
>> That should fix your problem.
>>
>> Julian.
>>
>> Learn Ruby on Rails! CHECK OUT THE FREE VIDS (LIMITED TIME) NEW VIDEO
>> (#2) OUT NOW!
>> http://sensei.zenunit.com/
>
>
> ---------------------------------------------------------
> If I do cgi.params['numdomains'].to_i then it returns another error:
> undefined method `to_i' for []:Array (NoMethodError)
>
> -- 
> Posted via http://www.ruby-forum.com/.
>