On Sat, May 30, 2009 at 11:05 AM, Conrad Taylor <conra...@gmail.com> wrote:
> On Wed, May 27, 2009 at 5:31 AM, Julian Leviston > <jul...@coretech.net.au>wrote: > >> >> On 27/05/2009, at 9:16 PM, Conrad Taylor wrote: >> >> > An Array instance can respond to both count and size methods. If >> > you use size the method with a counter >> > cache column on the has_many side, you can cache the total. For >> > example, you can do something >> > like this >> > >> >> Hi. Not sure where you got that from. >> >> Loading development environment (Rails 2.3.2) >> >> [].count >> NoMethodError: undefined method `count' for []:Array >> from (irb):1 >> >> [].size >> => 0 >> >> >> > > This statements are only true in regards to Ruby 1.8.6. For example, in > Ruby 1.9.1, one can easily do the following: > > irb(main):001:0> [].count > => 0 > irb(main):002:0> [].size > => 0 > > -Conrad > > >> >> ---------------------------------------------- >> Learn: http://sensei.zenunit.com/ >> Last updated 20-May-09 (Rails, Basic Unix) >> Blog: http://random8.zenunit.com/ >> Twitter: http://twitter.com/random8r >> >> >> >> >> > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
