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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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Ruby on RailsÖÐselectʹÓ÷½·¨

ÔÚRuby on RailsÖÐÕæµÄÓÐÒ»¶ÑSelect helper¿ÉÒÔÓÃ,ÎÒÃǾ­³£ÈÝÒ×»ìÏý¡£³£¼ûµÄÓÐÈý¸ö..
select, select_tag, collection_select(ÆäÓàµÄʲôselect_dateÄÇЩ²»Ì¸)
ÎÒÃÇÏÈÀ´¿´¿´Ò»¸ö»ù±¾µÄÏÂÀ­Ê½Ñ¡Ïî¹Ç¼Ü
</p>
<select
name="ROR">
<option
value="1">ROR1</option><br
/>
<optio ......

Rubyʵ¼ù—HelloWorld

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Ruby: Ruby1.9.1
Rails: Rails2.3.5
IDE: RubyMine2.0.1
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2¡¢ÐÞ¸Ä /config/database.yml
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# Mysql Version 5.1.46
development:
adapter: mysql
database: ......

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


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require 'dbi'

DBI.connect("DBI:ADO:Provider=Microsoft.Jet.OLEDB.4.0;Data Source=db.mdb;")

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