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Grouping functions (tapply, by, aggregate) and the *apply family
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Validating IPv4 addresses with regexp
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36 Answers
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How can I get nth element from a list?
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Look here, the operator used is !!.
I.e. [1,2,3]!!1 gives you 2, since lists are 0-indexed.
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How to slice an array in Bash
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317
See the Parameter Expansion section in the Bash man page. A[@] returns the contents of the arr...
How to check if two arrays are equal with JavaScript? [duplicate]
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C. Tewalt
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answered May 8 '13 at 9:22
enyoenyo
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Could not locate Gemfile
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JoniJoni
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Remove duplicate elements from array in Ruby
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the Tin Man
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answered Dec 3 '11 at 5:24
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Updating Bootstrap to version 3 - what do I have to do?
I'm new to Bootstrap and have the older version 2.3.2.
8 Answers
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Regular Expression to reformat a US phone number in Javascript
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233
Assuming you want the format "(123) 456-7890":
function formatPhoneNumber(phoneNumberString) {...
Rspec: “array.should == another_array” but without concern for order
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answered Jun 5 '10 at 3:08
x1a4x1a4
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