Displaying 2 results from an estimated 2 matches for "some_column_name".
2008 May 12
3
Enumeration sum
Any idees why I can do this:
@sum = @selected.inject(0) { |sum, player| sum + player.value }
but not this:
@sum = @selected.sum { |player| player.value }
@sum = @selected.sum(&:value)
The last two give me following error:
wrong number of arguments (1 for 2)
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations/association_collection.rb:164:in
`calculate''
2006 Mar 29
10
newbie question
Hi, I am new to Rails, I followed the cookbook tutorial, it worked fine, but
when I started another tutorial called todo :
when I type : http://127.0.0.1:3000/todo/new
I get this error :
Routing Error
Recognition failed for "/todo/new"
please help me.
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