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1¡¢°²×°ubuntu
һ·next£¬¼Çס°²×°Ó¢ÎÄ°æ¡£´ý°²×°Íê±Ïºó£¬Ê×ÏÈÑ¡Ôñ“Èí¼þÔ´”£¬ÏµÍ³--ϵͳ¹ÜÀí-Èí¼þÔ´£¬¹úÄÚÒ»°ãÑ¡ÔñµÄÊÇ£ºhttp://ubuntu.cn99.com/ubuntu;½Ó×Å°²×°ÖÐÎÄ°ü£¬Ñ¡ÔñÈí¼þÔ´¾ÍÊÇΪÁËÏÂÔØÈí¼þµÄËٶȸü¿ì£¬°²×°Íê³ÉºóÖØÆôubuntu£¬ÖØÆôºó»áÌáʾÊÇ·ñ¸Ä±äijЩÎļþ¼ÐÃû³Æ£¬Ñ¡Ôñ“·ñ”£¬·Àֹϵͳ¶ÔÖÐÎÄÖ§³ÖÒý·¢µÄÎÊÌâ¡£
2¡¢¸üÐÂϵͳÈí¼þ
sudo apt-get update
3¡¢°²×°Ruby
sudo apt-get install ruby
4¡¢°²×°gem
sudo apt-get install rubygems
sudo gem update
5¡¢°²×°rails
sudo apt-get install rails
6¡¢°²×°mysql
sudo apt-get install mysql-server
µ±ÊäÈëÖ¸Ásu Òâͼ½øÈëunix²Ù¿Ømysqlʱ£¬ÌáʾÊäÈëÃÜÂ룬ÈôÌáʾʧ°Ü£¬ÔòÐÞ¸ÄÃÜÂ룬ÊäÈësudo passwd root£¬ÊäÈëÐÂÃÜÂ룬ȷÈÏ
7¡¢°²×°jdk£¨Æäʵ¾ÍÊǽâѹ£©
ÏÂÔØjdk£ºhttp://java.sun.com/javase/downloads/index.jsp£¬ÎÒÏÂÔصÄÊÇjdk-6u20-linux-i586.bin
½¨Á¢Ä¿±êĿ¼£ºsudo mkdir /usr/lib/jvm
cd jdkµÄÎļþĿ¼£¨±ÈÈ磺cd Downloads£©
¿½±´Îļþ£ºsudo cp ./jdk-6u20-linux-i586.bin /usr/lib/jvm
cd Îļþ¿½±´ºóÎļþ¼Ð£ºcd /usr/lib/jvm
Ìí¼ÓÖ´ÐÐȨÏÞ£ºsudo chmod +x jdk-6u20-linux-i586.bin
Ö´ÐУºsudo ./jdk-6u20-linux-i586.bin
½ÓמÍÊÇÒ»¶ÑµÄÐÒ飬һ·¿Õ¸ñ£¬Ö±µ½³öÏÖѯÎÊ£¬×ÔÈ»ÊäÈ룺yes»Ø³µ¾Í¿ªÊ¼°²×°£»
°²×°ºóµÄJDK¾ÍÔÚ/usr/lib/jvm/jdk1.6.0_20Ŀ¼Ï£»
ͨ¹ýgeditÉèÖû·¾³±äÁ¿£ºsudo gedit /etc/profile
ÔÚÎļþµÄ×îºó¼ÓÉÏ£º
export JAVA_HOME="/usr/lib/jvm/jdk1.6.0_20"
export JRE_HOME="$JAVA_HOME/jre"
export CLASSPATH=".:$JAVA_HOME/lib:$JRE_HOME/lib"
PATH="$PATH:$JAVA_HOME/bin:$JRE_HOME/bin"
±£´æÍ˳ö£»
ʹÓãºsource /etc/profile ÖØмÓÔØ
²âÊÔÏ£ºjava -version
³öÏÖ£ºjava version "1.6.0_20".......¹§Ï²jdk°²×°³É¹¦£»
8¡¢ÏÂÔØ°²×°netbeans
ÏÂÔصØÖ·£ºhttp://netbeans.org/downloads/index.html
ÏÂÔغóÌí¼ÓȨÏÞ£ºsudo chmod +x netbeans-6.8-ml-linux.sh
°²×°£ºsudo ./netbeans-6.8-ml-linux.sh
ʣϵľͺܼòµ¥£¬¶¼ÊÇͼÐλ¯½çÃ棻
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require 'curses'
module Curses
def self.program
main_scr=init_screen
noecho
cbreak
curs_set(0)
main_scr.keypad=true
yield main_scr
end
end
Curses.program do |scr|
max_x=scr.maxx
max_y=scr.maxy
100.times do
scr.setpos(rand(max_y),rand(max_x))
......
Ruby ÀàµÄ¼Ì³Ð
¹Ø¼ü×Ö: Ruby ÀàµÄ¼Ì³Ð
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RubyÖ»Ö§³Öµ¥¼Ì³Ð
ruby ´úÂë
class
Child < Father
......
end
ObjectÊÇËùÓÐÀàµÄʼ×棬²¢ÇÒObjectµÄʵÀý·½·¨ ......
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 ......