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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))
scr.addstr("hi")
end
scr.getch
end


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b = "123"
a = b
b.gsub!(/2/,"")
puts a
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b = "123"
a = "#{b}"
b.gsub!(/2/,"")
puts a
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class InterEx
def initialize(val=0)
@val=val
end

def to_s
@val.to_s
end

def [](idx)
self.to_s[idx].to_i
end

d ......

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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
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database:dbdevelopment
user:crystal
password:crystal
Ò»¡¢´´½¨RubyÏîÄ¿RorTest
¶þ¡¢ÐÞ¸Ädatabase.yml
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dev ......
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