cc Hi,Rafal ,your advice really helped me.I deleted the "mongo ,1.1.3 " in my Gemfile.it works.Thank u very much. 2011/7/4 Rafal Zdziech <[email protected]>
> Hi mate, > > I can only advise you to update Ruby to 1.9.2 and rails to 3.0.9. You > should have a look into rvm updater. You may want to try bundle install > command first. > On 4 Jul 2011 07:20, "Rock Liu" <[email protected]> wrote: > > Hi, when i use mongoid to get the count of model named "User", I met a > > error : > > > > irb(main):001:0> User.count > > > > ArgumentError: wrong number of arguments (1 for 0) > > from /var/lib/gems/1.8/gems/mongoid-2.0.2/lib/mongoid/ > > cursor.rb:37:in `count' > > from /var/lib/gems/1.8/gems/mongoid-2.0.2/lib/mongoid/ > > cursor.rb:37:in `send' > > from /var/lib/gems/1.8/gems/mongoid-2.0.2/lib/mongoid/ > > cursor.rb:37:in `count' > > from /var/lib/gems/1.8/gems/mongoid-2.0.2/lib/mongoid/ > > collections/retry.rb:29:in `retry_on_connection_failure' > > from /var/lib/gems/1.8/gems/mongoid-2.0.2/lib/mongoid/ > > cursor.rb:36:in `count' > > from /var/lib/gems/1.8/gems/mongoid-2.0.2/lib/mongoid/contexts/ > > mongo.rb:73:in `count' > > from /var/lib/gems/1.8/gems/mongoid-2.0.2/lib/mongoid/ > > criteria.rb:48:in `__send__' > > from /var/lib/gems/1.8/gems/mongoid-2.0.2/lib/mongoid/ > > criteria.rb:48:in `count' > > from /var/lib/gems/1.8/gems/mongoid-2.0.2/lib/mongoid/ > > finders.rb:34:in `count' > > from (irb):2 > > > > version of mongoid is "2.0.2" > > version of ruby is "1.8.7" > > version of rails is "3.0.3" > > > > Any suggestions/help? > > > > 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 [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. > > > > -- > 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. > -- 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.
