Yan Oleg wrote:
> I have the following code:
>
> members.select {|m| m.role.assignable?}.collect {|m| m.role}.sort
>
> There are two tables: "roles" and "members". One role record may have
> many foreign member records.
>
> But in this case I get many same roles, I want to apply "distinct"
> operation to make roles unique in results. How can I do this?
Please help me!
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