Try pass the block:
(array1 + array2 + arrayN].uniq { |instance| [instance.user_id,
instance.address_id]}
undocumented feature
On 03.06.2011, at 22:23, skt wrote:
> Thanks Michael and Tim.
>
> On Jun 3, 11:19 am, Tim Shaffer <[email protected]> wrote:
>> I think the problem with doing that is that the arrays contain instances of
>> models.
>>
>> Sounds like skt wants to consider an instance unique based on only two
>> attributes of each instance.
>
> That's correct Tim - I am looking to uniq them only on the two id
> fields
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