Re: [Rails] Hash mapping

Ruby on Rails Thursday, February 4, 2016

On Fri, Feb 5, 2016, at 00:50, Colin Law wrote:
> You don't need the first two lines, you just need something like
> Initiative.all.map {|initiative| [initiative.name,
> initiative.trainings.count] }
>

That'll be slow. The alternative is to include `:trainings` but then
it'll transfer a bunch of unnecessary data as well.

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