On Sat, Feb 11, 2012 at 11:50 PM, Everaldo Gomes <everaldo.go...@gmail.com>wrote:
> Hi! > > Take a look at: > > http://www.ruby-doc.org/core-1.9.3/Enumerable.html#method-i-group_by > > and > > http://www.ruby-doc.org/core-1.9.3/Enumerable.html#method-i-collect > > I think they could help. > > E.g: > > hash = Time.all.collect { |t| [ t.date , t.hour ] }.group_by { > |date,hour| date.strftime("%-m/%-d/%Y") } > > I forgot that after using group_by you will have to discard the date from the hash values. > I hope it works. > > Regards, > Everaldo > > > On Sat, Feb 11, 2012 at 11:40 PM, edward michaels <micah...@gmail.com>wrote: > >> I have an active record Times table with a date column and an hour >> column. The hours are unique but the dates can have many hours. How >> would I create a hash that mapped a date key to its hours? Something >> like: >> >> hours_per_date['2/14/2012'] => ['6:00', '8:00', '11:00', '2:00'] >> >> Thanks >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Ruby on Rails: Talk" group. >> To post to this group, send email to rubyonrails-talk@googlegroups.com. >> To unsubscribe from this group, send email to >> rubyonrails-talk+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/rubyonrails-talk?hl=en. >> >> > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
