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How do I create an average from a Ruby array?
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Try this:
arr = [5, 6, 7, 8]
arr.inject{ |sum, el| sum + el }.to_f / arr.size
=> 6.5
Note the .to_f, which you'll want for avoiding any problems from integer division. You can also do:
arr = [5, 6, 7, 8]
arr.inject(0.0) { |sum, el| sum + el }...
How can I prevent the scrollbar overlaying content in IE10?
...e the following:
//
// Issue: https://github.com/twbs/bootstrap/issues/10497
// Docs: http://getbootstrap.com/getting-started/#support-ie10-width
// Source: http://timkadlec.com/2013/01/windows-phone-8-and-device-width/
// Source: http://timkadlec.com/2012/10/ie10-snap-mode-and-responsive-design/
@...
Defining a variable with or without export
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107
Specifically export makes the variable available to child processes via the environment.
– Beano
Jul ...
Can I use multiple versions of jQuery on the same page?
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7 Answers
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Vertically centering a div inside another div [duplicate]
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807
tl;dr
Vertical align middle works, but you will have to use table-cell on your parent element a...
Using Git, how could I search for a string across all branches?
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175
You can do this on a Git repository:
git grep "string/regexp" $(git rev-list --all)
GitHub a...
Command to collapse all sections of code?
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edited Apr 7 '19 at 13:22
Super Jade
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Why are data transfer objects (DTOs) an anti-pattern?
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answered Sep 17 '09 at 19:54
KLEKLE
21.7k44 gold badges4848 silver badges5959 bronze badges
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Benefits of using the conditional ?: (ternary) operator
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17 Answers
17
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How can you detect the version of a browser?
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27 Answers
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