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How to install a specific version of a ruby gem?
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For installing
gem install gemname -v versionnumber
For uninstall
gem uninstall gemname -v ver...
Javascript event handler with parameters
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EchsecutorEchsecutor
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How to write one new line in Bitbucket markdown?
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diegoveloperdiegoveloper
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In C++, what is a virtual base class?
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Trilarion
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answered Aug 22 '08 at 1:45
OJ.OJ.
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How to check if a value exists in an array in Ruby
...t bear cat}.any? {|word| word.length >= 4} #=> true
[ nil, true, 99 ].any? #=> true
See Enumerable for more information.
My inspiration came from "evaluate if array has any items in ruby"
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How do you get centered content using Twitter Bootstrap?
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Flavien VolkenFlavien Volken
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Insert picture into Excel cell [closed]
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AmberAmber
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Exception.Message vs Exception.ToString()
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Christian.KChristian.K
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Convert DateTime to String PHP
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lisandrolisandro
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Determining if a number is either a multiple of ten or within a particular set of ranges
...btract 1 from num, you'll have the ranges:
10-19, 30-39, 50-59, 70-79, 90-99
In other words, all two-digit numbers whose first digit is odd. Next, you need to come up with a formula that expresses this. You can get the first digit by dividing by 10, and you can test that it's odd by checking for ...