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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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ÔÚÃüÁîÐÐÏÂʹÓà gem install will_paginate ÃüÁ³öÏÖÏÂÃæ½á¹û°²×°³É¹¦
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#@books = Book.all
@books = Book.pagina ......
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require 'dbi'
DBI.connect("DBI:ADO:Provider=Microsoft.Jet.OLEDB.4.0;Data Source=db.mdb;")
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