ruby on rails ½â¾ömultiple select ´æ´¢ºÍupdate
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vendorÊý¾Ý¿â±íÓÐ×Ö¶Îservice_category varchar(100)
<% form_for :vendor, @vendor, :url => sellers_path do |f| %>
<%= f.select(:service_category,
["Painting","Plumbing","Decor"], {}, {:multiple => true, :size => 3}) %>
<%= f.submit "Register"%>
<% end %>
url Ö¸¶¨µ½Äĸöcontrol action£¬ÓõÄÊÇrails rest¼¼Êõ
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def service_category=(values)
if !values.nil?
write_attribute('service_category', values.join(','))
end
end
def service_category
if !read_attribute('service_category').nil?
read_attribute('service_category').split(',')
end
end
´æÈëÊý¾Ý¿âÖеÄÊÇpainting£¬plumbing
ÔÚupdate actionÖÐ@vendor = Vendor.find(id)
ÔÚupdate Ò³Ãæ<%= f.select(:service_category,
["Painting","Plumbing","Decor"], {}, {:multiple => true, :size => 3}) %>¾ÍÄÜÈ¡³öÊý¾Ý¿âÖжÔÓ¦µÄÊý¾Ý
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http://rubyforge.org/frs/download.php/29263/ruby186-26.exe
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require 'win32ole'
excel = WIN32OLE::new('excel.Application')
workbook = excel.Workbooks.Open('E:\RubyApp\bmk.xls')
worksheet = workbook.Worksheets(1) #get hold of the first worksheet
worksheet.Select #bring it to the front -need sometimes to run macros, not for working with a worksheet from ru ......
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class Tree
def initialize
puts "Make a normal tree"
end
def decorate
puts "Make sure the tree won\'t fall"
end
end
class RedBalls < Tree
def initialize(tree)
@parent = tree;
end
def decorate
@parent.decorate
puts "Put on some red balls"
end
end
......
env setup
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2010.1.19
1. install ruby
$ tar xzf ruby-1.8.7-p248.tar.gz
$ mv ruby-1.8.7-p248 ruby187
$ cd ruby187/
$ ./configure
......