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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
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5 Answers
5
Active
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Transpose list of lists
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355
How about
map(list, zip(*l))
--> [[1, 4, 7], [2, 5, 8], [3, 6, 9]]
For python 3.x users c...
How to run Ruby code from terminal?
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theglaubertheglauber
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6
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Specify width in *characters*
...hange your example above to
<div>
<span>1</span> 3 5 7 9 1 3 5 7 9 1
</div>
and you will notice width and height of the span are different. For a font-size of 20px on Chrome the span is 12x22 px, where 20px is the height of the font, and 2px are for line height.
Now ...
Using the Underscore module with Node.js
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Ruby Arrays: select(), collect(), and map()
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SgtPooki
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answered Mar 28 '12 at 21:07
EmilyEmily
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Javascript Reduce an empty array
... Fabian
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answered Apr 29 '14 at 8:17
xdazzxdazz
145k3232 gold badges2...
Ruby sleep or delay less than a second?
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answered Mar 30 '10 at 5:31
Georg SchöllyGeorg Schölly
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Frequency table for a single variable
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153
Maybe .value_counts()?
>>> import pandas
>>> my_series = pandas.Series([1,2,...