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ruby on rails(Ê®) ¶©µ¥´¦ÖÃ

¶©µ¥´¦Öã¬Ê×ÏÈÒªÓÐÒ»¸ö¶©µ¥µÄÏêϸÁÐ±í£¨°üÀ¨ÊýÁ¿£¬¼ÛǮɶµÄ£©ºÍÒ»¸ö¶ÔÓÚ¸öÈ˵ÄһЩÐÅÏ¢µÄÒ»¸ö±í¡£Òò¶øÎÒÃÇ´´ÔìÁ½¸öÄ£ÐÍ£¬line_item(ÁбíÏî),order(Áбí)£¬Æäºó±àÕßÈç´Î
/db/migrate xxx_create_order xxx_line_item
Ruby´úÂë
Ò».class CreateOrders < ActiveRecord::Migration
¶þ.def self.up
3. create_table :orders do |t|
4. t.string :name
5. t.text :address
6. t.string :email
7. t.string :pay_type, :limit => Ê®
8. t.timestamps
9. end
Ê®.end
11.
12.def self.down
13. drop_table :orders
14.end
15.d
class CreateOrders < ActiveRecord::Migration
def self.up
create_table :orders do |t|
t.string :name
t.text :address
t.string :email
t.string :pay_type, :limit => Ê®
t.timestamps
end
end
def self.down
drop_table :orders
end
end
Ruby´úÂë
1. class CreateLineItems < ActiveRecord::Migration
¶þ.def self.up
3. create_table :line_items do |t|
4. t.integer :product_id, :null => false,:options =>
5. "CONSTRAINT fk_line_items_products REFERENCES products(id)"
6. t.integer :order_id,:null => false, :options =>
7. "CONSTRAINT fk_line_items_orders ReEFERENCES orders(id)"
8. t.integer :quantity, :null => false
9. t.decimal :total_price, :null => false,:precision => °Ë,:scale => ¶þ
10. t.timestamps
11. end
12.end
13.
14.def self.down
15. drop_table :line_items
16.end
17.d
class CreateLineItems < ActiveRecord::Migration
def self.up
create_table :line_items do |t|
t.integer :product_id, :null => false,:options =>
"CONSTRAINT fk_line_items_products REFERENCES products(id)"
t.integer :order_id,:null => false, :options =>
"CONSTRAINT fk_line_items_orders ReEFERENCES orders(id)"
t.integer :quantity, :null => false
t.decimal :total_price, :null => false,:precision => °Ë,:scale => ¶þ
t.timestamps
end
end
def self.down
drop_table :line_items
end
end
t.integer :product_id, :null => false,:options =>
"CONSTRAINT fk_line_items_products REFERENCES p


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ruby xml excel

require 'win32ole'
fns = Dir.glob("*.xls")
application = WIN32OLE.new("excel.application") 
application.visible = TRUE
f = File.new('errorCauseEN.xml','w')
f.puts('<?xml version="1.0" encoding="utf-8"?>')
f.puts('<!-- edited with XMLSPY v5 U (http://www.xmlspy.com) by et8 (et8) ......

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    File Name : clean.py
    File Date : 2009/11/5 14:22:56
    Author     : DannyLai
    Purpose     : Cle ......

Ruby 1.9²»»áɱËÀPython

Ëɱ¾ÐкêÈçÔ¼ÓÚÊ¥µ®½Ú·¢²¼ÁËRuby 1.9¡£¸ù¾ÝRubyµÄ¹ßÀý£¬Ð¡ÊýµãºóÃæµÚһλÈç¹ûÊǵ¥Êý£¬ÄÇô¾Í±íÃ÷ÕâÊÇÒ»¸öʵÑé°æ±¾£¬²»ÍƼöÓÃÓÚ²úÆ·»·¾³¡£Ëùν“²úÆ·»·¾³”£¬¶ÔÓÚĿǰµÄRubyÀ´Ëµ£¬»ù±¾ÉϾÍÊÇRuby on Rails¡£´ÓĿǰRoRÉçȺµÄ·´Ó³À´¿´£¬È·ÊµÓÐÈËÕýÔÚ³¢ÊÔÓÃRuby 1.9ÅäºÏRoR£¬µ«ÊÇÉÐÊôÍæÆ±ÐÔÖÊ¡£ÎÒѯÎÊÁËһЩ´¦ÔÚÕæÊµÏ ......

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±¾ÎĽéÉÜÁËRuby on RailsµÄÏêϸ°²×°²½Öè¡£ÎÄÖÐʹÓõÄRuby on Rails°æ±¾ÊÇ1.8.6-26¡£°²×°RubyÖ®ºó°²×°Rails£¬È»ºó¾Í¿ÉÒÔ´´½¨WebÓ¦Ó㬲¢ÔÚ±¾µØ²âÊÔÁË¡£
1¡¢°²×°ruby
²»ÓÃ˵ ÊÇÏÂÔØ°²×°°ü£ºhttp://rubyforge.org/frs/?group_id=167£¬×¢Òâ°æ±¾---º¦È˲»Ç³£¬ºóÃæ»á˵µ½£¬ÎÒϵÄÊÇ1.8.6-26
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c++Öе÷ÓÃruby´úÂë

#include < ruby.h > //
static int id_sum;
int Values[] = {5, 10 ,15,-1,20,0};
static VALUE wrap_sum(VALUE args)
{
 VALUE * values = (VALUE *) args;
 VALUE summer = values[0]; 
 VALUE max = values[1];
 return rb_funcall(summer,id_sum,1,max);
}
static VALUE ......
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