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What does @@variable mean in Ruby?
... is in the comments at the end of the puts lines:
class Test
@@shared = 1
def value
@@shared
end
def value=(value)
@@shared = value
end
end
class AnotherTest < Test; end
t = Test.new
puts "t.value is #{t.value}" # 1
t.value = 2
puts "t.value is #{t.value}" # 2
x = Test.new...
How to set username and password for SmtpClient object in .NET?
...
answered May 4 '10 at 16:10
pipelinecachepipelinecache
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...
Docker how to change repository name or rename image?
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1085
docker image tag server:latest myname/server:latest
or
docker image tag d583c3ac45fd mynam...
30条爆笑的程序员梗 PHP是最好的语言 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...坐,酒醉还来屏下眠;酒醉酒醒日复日，得自娱自乐才行。1.问答Q：你是怎么区分一个内向的程序员...程序人员写程序,又将程序换酒钱;酒醒只在屏前坐,酒醉还来屏下眠;酒醉酒醒日复日，得自娱自乐才行。
1.问答
Q：你是怎么区...
Why can't non-default arguments follow default arguments?
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177
All required parameters must be placed before any default arguments. Simply because they are m...
Finding the path of the program that will execute from the command line in Windows
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edited Feb 24 at 1:42
Callum Watkins
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an...
How to print out more than 20 items (documents) in MongoDB's shell?
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Wilfred Knievel
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answered Sep 14 '10 at 1:45
ThiloThilo
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Java: parse int value from a char
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edited Apr 30 '18 at 4:24
Neuron
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answ...
Understanding the difference between __getattr__ and __getattribute__
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313
Some basics first.
With objects, you need to deal with its attributes. Ordinarily we do instan...
Cron and virtualenv
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261
You should be able to do this by using the python in your virtual environment:
/home/my/virtual...