[Rails] Re: Changes method: displayed nil to blank change

Colin Law wrote in post #971987:

>
> Just filter out the ones where the two array entries are nil and "".
> Note that blank? will probably be useful here.
>
> Colin

Thanks for reply. But how can I filter this one?
Currently I am checking the field change and avoid nil to blank changes.

like if !obj.changes["address] != [nil,""]
---More ----
end

Note: There are multiple fields to check.

Thanks
Brijesh Shah

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