Anton Kuzmin

It hangs though on wakeup.

I think it's better to handle parameters in form class. What do you think?

Thanks, thenickperson. I'd follow that recommendation.

Will it be as efficient as #reject! method?

If you really want to delete items from existing array, it makes sense to do it with linked list. I suspect that deleting item from ruby array shifts the other elements to occupy the empty slot?