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rubyÖÐ×Ô´øÊµÏÖ¹Û²ìÕßģʽµÄÀàobserver¡£¿ÉÒÔÀûÓÃËüÀ´ÊµÏÖ¹Û²ìÕßģʽ¡£
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# -*- coding: GB2312 -*-
require 'observer'
# ¹Û²ìÕßģʽ(ruby)µÄʹÓÃÀý×Ó
# ±»¹Û²ìÕßP
class PObservable
include Observable
end
# ¹Û²ìÕßA
class AObserver
# update·½·¨ÃûÊDZØÐëµÄÒªÓеÄ
def update(arg)
puts "AObserver ±»Í¨ÖªÁË " + arg
end
end
# ¹Û²ìÕßB
class BObserver
# update·½·¨ÃûÊDZØÐëµÄÒªÓеÄ
def update(arg)
puts "BObserver ±»Í¨ÖªÁË " + arg
end
end
# ¹Û²ìÕß³õʼ»¯
observer_a = AObserver.new
observer_b = BObserver.new
# ±»¹Û²ìÕß³õʼ»¯
obj = PObservable.new
# Ìí¼Ó¼àÊÓ¶ÔÏó
obj.add_observer(observer_a)
obj.add_observer(observer_b)
# ±»¹Û²ìÕ߸ıäÁË ->Õâ¶Î´úÂë ±ØÐëÓÐ ²»È»ÎÞ·¨Í¨Öªµ½¹Û²ìÕß
obj.changed
# ֪ͨ¹Û²ìÕß
obj.notify_observers("Test")

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AObserver ±»Í¨ÖªÁË Test
BObserver ±»Í¨ÖªÁË Test


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ruby drb

client.rb
======================================================================
require 'drb'
SERVER_IP = 'druby://127.0.0.1:6666'
CLIENT_IP = 'druby://10.10.10.102:7777'
c_path = 'd:/test/'
class Client
 def initialize(path)
  Dir.chdir(path)
 end
 
 def mk ......

ruby°²×°mysql

ruby on rails°²×°mysqlÊý¾Ý¿â
1. ÏÂÔØmysqlÈí¼þ
  http://www.mysql.cn/
  mysqlÖÐÎĹٷ½ÍøÕ¾ÏÂÔØ°²×°Èí¼þ£¬Ñ¡Ôñ5.0
2. °²×°mysql£¬ÉèÖÃĬÈÏ×Ö·û¼¯Îªutf-8
3. ÏÂÔØmysql for rubyµÄÇý¶¯²¢°²×°
http://rubyforge.org/ËÑË÷mysql£¬ÕÒµ½mysql -win
µã»÷ÏÂÔØ£¬½øÈëÒ³Ãæ
http://rubyforge.org/frs/?group_id= ......

PythonºÍRubyµÄ¶Ô±È£¬¾ÀÕýһЩÎó½â

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RubyµÄ×°ÊÎÆ÷ģʽʵÏÖ

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 ......
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