问题描述
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我有一个ajax形式:
_form.html.erb:
<%= form_for @innmelding,:remote => true,:html => { :id => \'kurs-form\' } do |f| %>
innmeldings_controller.rb:
def create
@innmelding = Innmelding.new( params[:innmelding] )
flash[:notice] = \"Lagret\" if @innmelding.save
respond_with( @innmelding,:layout => !request.xhr? )
end
innmelding.rb:
class Innmelding < ActiveRecord::Base
belongs_to :laerer,:foreign_key => \"ansvarlig\"
belongs_to :laerer,:foreign_key => \"overordnet\"
has_many :kuRSS
validates_presence_of :dager_fra
end
宝石文件:
source \'http://rubygems.org\'
gem \'rails\',\'3.1.0.rc4\'
gem \'sqlite3\'
gem \'MysqL2\'
gem \'sass\'
gem \'coffee-script\'
gem \'coffeebeans\'
gem \'uglifier\'
gem \'jquery-rails\'
gem \'devise\'
gem \'cancan\'
gem \'haml\'
gem \'event-calendar\',:require => \'event_calendar\'
gem \'therubyracer\'
当\“ dager_fra \”字段为空时,出现以下错误:
\“ ERROR NoMethodError::dager_fra:Symbol \的未定义方法'bytesize \'”
我正在使用rails 3.1-rc4(rc1上的相同错误)和ruby 1.9.2。我怀疑它在ruby 1.9中有些东西。还没有设法使它在ruby 1.8上运行,所以我还没有验证这一点(我想我读过一些字节大小方法已从某些发行版移出的地方,因为它现在已成为Ruby 1.9的一部分)。
解决方法
这是Rails问题,请看这里https://github.com/rails/rails/issues/1730
尝试您的gemfile
gem \'rails \',\'3.1.0.rc4 \',:git => \“ https://github.com/rails/rails.git \”,:branch => \“ 3-1稳定\“
这对我有帮助。