On 13 June 2011 07:35, Colin Law <clan...@googlemail.com> wrote:
> On 12 June 2011 23:46, Mauro <mrsan...@gmail.com> wrote:
>> I have:
>> check_box_tag "supplier[category_ids][]",
>> category.id,@supplier.categories.include?(category).
>> I want to include @supplier.categories.include?(category) only if
>> @supplier is not nil.
>
> Have you tried
> (@supplier.categories.include?(category) if @supplier)

mmmmmm it seems to work.
Sorry, I had try the same code yesterday but it didn't work, it was
late perhaps I was very tired, sorry again.

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