Ruby on Rails Thursday, July 6, 2017

On 6 July 2017 at 18:54, <butsan.yuriy@gmail.com> wrote:
> Hi guys,
>
> I want the user input only integer type. I don't need string or empty input.
> How do I checking it?

This should help
http://guides.rubyonrails.org/active_record_validations.html#numericality

Colin

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