On Mon, Feb 28, 2011 at 3:53 AM, Erwin <[email protected]> wrote: > I was happy too quickly ... > > I actually need to produce a structure like this ( to be used with > Mongoid DB criteria ) > > { "$in" => [tags[0]], "$in" =>[tags[1]] , ....} > > you can't. a hash should have unique keys.
> I may have to use a json structure ? > > > > On 27 fév, 20:16, Erwin <[email protected]> wrote: > > given an Arra tags[] > > > > I need to produce a resulting Hash as following .. > > > > { "$in" => [tags[0]], "$in" =>[tags[1], ...} > > > > in which the key should be always the same and the value being an > > Array > > > > I tried this : > > > > myHash = {} > > tags.each do |tag| > > h = {"$in" => [tag]} > > myHash.merge!(h) > > end > > > > but the merge! is only changing the value ... (as the key is always > > the same ..) > > (there is no += as with Array class ...) > > > > thanks for your feedback > > -- > 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 [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- ------------------------------------------------------------- visit my blog at http://jimlabs.heroku.com -- 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
