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2 debugger
3 class Myclassvar
4 @@a=1
5 puts 1111111111111111111111
6 puts @@a
7
8 def testa
9 @@a=@@a+5
10 end
11 def testb
12 @@a=@@a+3
13 end
14 end
15
16 class Reclassvar < Myclassvar
17 def testa
18 @@a+=10
19 end
20 end
21
22 obj=Myclassvar.new
23 puts obj.testa
24 puts obj.testb
25 obj2=Myclassvar.new
26 puts obj2.testb
27 obj3=Reclassvar.new
28 puts obj3.testa
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1£¬°²×°ruby
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2£¬°²×°rails
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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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ת×Ô http://www.advidea.cn/biancheng/200943135232.html
Ruby watir ²âÊÔ¿ò¼Ü
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in `require': no such file to load -- watir (LoadError)
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