Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ruby Bignum Dir ѧϰ

Bignum
+        ¼Ó
-        ¼õ
*        ³Ë
/        ³ý
**        Ö¸Êý²Ù×÷2**2 Òâ˼ÊÇ2µÄƽ·½
<=>        ´óÓÚ,µÈÓÚ,СÓÚ 1,0,-1
==        ÅжÏÏàµÈ
abs        ¾ø¶ÔÖµ
Continuation     ÔÝʱ²»ÖªµÀÔõôÓÃ
Dir
chdir        Çл»Â·¾¶(µ±Ç°ÊǽøÈëirbµÄ·¾¶)
pwd        ¸ùĿ¼
delete        ɾ³ýĿ¼,Ŀ¼²»ÊÇ¿ÕÅ×SystemCallErrorÒì³£
entriesÏî,Ìõ    ·µ»Ø¸ø¶¨Ä¿Â¼ÖÐËùÓÐÎļþÃû×é³ÉµÄÊý×é,Èç¹ûĿ¼²»´æÔÚÅ×ÉÏÃæµÄÒì³£¡£ÆäÖаüº¬Îļþ¼ÐµÄ»°1:Îļþ¼Ðû¶«Î÷·µ»ØÃû×Ö£¬ÓÐÒ»¸öÎļþ·µ»Ø‘.’,Óжà¸öÎļþ·µ»Ø'..'
foreach        ¶Ô¸ø¶¨Ä¿Â¼ÖеÄÿ¸öÏîµ÷ÓÃblock
getwd        ·µ»Ø·ûºÅÁ´½ÓµÄÕæÕýµØÖ·
glob []        Æ¥ÅäÎļþ£¡³¬¸´ÔÓ£¬»ØÍ·×Ðϸ¿´¿´
mkdir        ´´½¨Îļþ¼Ð¡£¿ÉÓÐȨÏÞ²Ù×÷£¬Òª»ØÍ·¿´¿´¡£Ö÷ÒªÊǶÔlinux²»ÊìϤ
new        ΪÏÖÓеÄĿ¼newÒ»¸öDirʵÀý,¿ªÊ¼ÒÔΪûʲôÓ㬺óÀ´ÏëÏë²»¿ÉÄÜÒ»Ö±ÓÃdirÀ´Çл»Â·¾¶°É
open        ²»´øblock²ÎÊýʱÓÚnewÒ»Ñù£¬´ø²ÎÊý¾Í´«µÝdirΪblock²ÎÊý¡£²Ù×÷Ϊ·Ç¸Ä¸Ä¼Ó¼Ó
rmdir        ÒÆ³ýij·¾¶,ÓëdeleteͬÒå
close        ¹Ø±ÕĿ¼Á÷,²»´ò¿ªµÄ»°ÈκηÃÎʶ¼Å×IOErrorÒì³£
each        Ñ­»·±éÀúÊý×é
path        Êä³ö·¾¶,ʲô²ÎÊý¾Íʲô·¾¶
rewind        ÖØ¶¨Î»µ½dirµÄµÚÒ»Ïî
seek        ÖØ¶¨Î»µ½Ö¸¶¨Î»ÖÃ,ÓвÎÊý
tell        ÖØ¶¨Ïòµ½µ±Ç°Î»ÖÃ


Ïà¹ØÎĵµ£º

RUBYʵ¼ù—Êý¾Ý¿â¼òµ¥²Ù×÷

¿ª·¢»·¾³£º
Ruby:1.9.1
Rails:2.3.5
Rake:0.8.7
Rack:1.0.1
Mysql:5.0.9
Ruby-mysql:mysql-2.8.1-x86-mswin
IDE:RubyMine2.0.1
Êý¾Ý¿â×¼±¸£º
database:dbdevelopment
user:crystal
password:crystal
Ò»¡¢´´½¨RubyÏîÄ¿RorTest
¶þ¡¢ÐÞ¸Ädatabase.yml
ÕâÀïÖ»ÆôÓÃdevelopment»·¾³Êý¾Ý¿â£¬ÐÞ¸ÄÅäÖÃÎļþÈçÏ£º
dev ......

Ruby On Rails 2.0.2Ô´´úÂë·ÖÎö£¨3£© named route


ǰÑÔ
  ÔÚ¡¶RoutingµÄÔØÈë¡·ÖУ¬ÎÒ´óÖ½éÉÜÁËÒ»ÏÂRailsÖÐ×î¼òµ¥µÄrouteÊÇÈçºÎ¼ÓÔØµÄ¡£ÕâÆªÎÄÕ£¬ÎÒ½«À´½²Ò»½²RailsϵͳÖиüΪ¸´ÔÓµÄnamed routeºÍÓëRESTfulÏà¹ØµÄresourceÊÇÈçºÎ±»¼ÓÔØµÄ¡£ÎªÁ˲»Öظ´Ì«¶àµÄ±ÊÄ«£¬ÕâÆªÎÄÕ½«ÔÚǰÎĵĻù´¡ÉϽøÐУ¬Èç¹û·¢ÏÖµ¥¶À¿´´ËÎÄʱ£¬ÓÐÉÙÐíÔÆÀïÎíÀ½¨ÒéÏÈ¿´Ò»¿´ÎÒµÄǰƪÎÄÕ£ºR ......

rubyÔÚwindows 7 cmd ÖÐÏÔʾ²ÊÉ«ÎÄ×Ö

ÏÈ·ÅÉÏÒ»¸öʵÀýµÄbatÎļþ,ÒªÇó¹ÜÀíÔ±ÌØÈ¨ÔËÐÐ:
@echo off
::CMDÀïÏÔʾ²ÊÉ«ÎÄ×Ö
chcp 437>nul&&graftabl 936>nul
if not exist CONFIG.NT copy %WinDir%\System32\CONFIG.NT CONFIG.NT
@cls
echo DEVICE=%WinDir%\System32\ANSI.SYS /x >%WinDir%\System32\CONFIG.NT
@echo.
command /cecho 
com ......

Use lambda in Ruby ¾ÅͲһÌõ

http://www.robertsosinski.com/2008/12/21/understanding-ruby-blocks-procs-and-lambdas/
Understanding Ruby Blocks, Procs and Lambdas
Blocks, Procs and lambdas (referred to as closures
in Computer Science) are one of the most powerful aspects of Ruby, and
also one of the most misunderstood. This ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ