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rails on ruby exmaples depot

1.install ruby
    download from http://www.ruby-lang.org/en/news/2009/12/07/ruby-1-9-1-p376-is-released/
2.install rails
   ruby gem install rails --include-dependencies
3.install mysql
   download from http://sourceforge.net
   ruby gem install&nb ......

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«ÊÇÉÐÊô ......

PythonºÍRubyµÄ¶Ô±È£¬¾ÀÕýһЩÎó½â

PythonºÍRubyµÄ¶Ô±È£¬¾ÀÕýһЩÎó½â
ÏÂÃæÊÇÎÒÔÚ¿´Á½Æª¹ØÓÚPythonºÍRuby¶Ô±ÈµÄÎÄÕÂʱ£¬Ëù×÷µÄ¾ÀÕý£¬Ô­ÎͼÊǹ㷺Á÷Ðеģ¬±È½ÏºÃÕÒ¡£
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1¡¢Îĵµ¡¢¿ªÔ´ÏîÄ¿¡¢¿âÖ§³Ö£¬ÕâЩ¶«Î÷Ruby²»Òª¸úPython±È£¬²»ÊǼ¸¸öÊýÁ¿¼¶µÄÎÊÌ⣬ºÎ±ØÃ²Ë ......

Éè¼ÆÄ£Ê½ ¹Û²ìÕßģʽʵÏÖÀý×Ó(ruby)

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 "AO ......

½»»¥Ê½ Ruby Shell irb

irb ÊÇ´ÓÃüÁîÐÐÔËÐеÄ
irb µÄÃüÁîÐÐÑ¡Ïժ×Ô¡¡Porgramming Ruby µÚ¶þ°æ£©
-f
½ûÖ¹¶ÁÈ¡~/.irbrc¡¡Suppress reading ~/.irbrc.
-m
Êýѧģʽ£¨Ö§³Ö·ÖÊýºÍ¾ØÕ󣩡¡Math mode (fraction and matrix support is available).
-d
ÉèÖÃ#DEBUGΪtrue(ͬruby -dÒ»Ñù)¡¡¡¡Set $DEBUG to true (same as ``ruby -d'').
-r lo ......
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