Adam,
When we run centos, it only has ruby 1.8.5. And [].count is not defined.
But unsure why heroku would fail on this - thought they were running 1.8.7 (or
newer depending upon your stack)
Maybe monkey patching is your friend?
--Keenan
On May 10, 2010, at 10:37 PM, adam wrote:
> My heroku app is tripping over code at the point where i try to do a
> count on an empty array. But in development on my local machine with
> the very same database and code (taps db:pull) it doesnt trip up.
>
> can anyone tell me why this is? im using ruby 1.8.7 and rails 2.3.2
>
> below is the offending line which produces the error NoMethodError
> (undefined method `count' for []:Array):
>
>
> @recently_checked_sentences_count =
> @user.checked_sentences_since_last_login.count
>
> with method below
>
> def checked_sentences_since_last_login()
> self.sentences.checked.find(:all, :conditions => ["checked_at
>> ?", last_login_at])
> end
>
> which uses named_scope
>
> named_scope :checked, lambda{|limit| { :limit => limit, :order =>
> "checked_at DESC", :conditions => "checked_at IS NOT NULL" } }
>
>
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