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Replacement for “rename” in dplyr
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dplyr version 0.3 added a new rename() function that works just like plyr::rename().
df <- rename(df, new_name = old_name)
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imp...
Logic to test that 3 of 4 are True
I want to return True if and only if 3 out of 4 boolean values are true.
27 Answers
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Accessing items in an collections.OrderedDict by index
...oo', 'python')
>>> d.items()[1]
('bar', 'spam')
Note for Python 3.X
dict.items would return an iterable dict view object rather than a list. We need to wrap the call onto a list in order to make the indexing possible
>>> items = list(d.items())
>>> items
[('foo', 'pyth...
Remove last item from array
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edited Aug 3 at 10:48
CroMagnon
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Sublime Text 3 how to change the font size of the file sidebar?
... editor does not change at all. Is there anything different in sublime text3？
13 Answers
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Can someone copyright a SQL query? [closed]
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Double vs. BigDecimal?
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463
A BigDecimal is an exact way of representing numbers. A Double has a certain precision. Working ...
How to generate a random number between a and b in Ruby?
To generate a random number between 3 and 10, for example, I use: rand(8) + 3
8 Answers
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Bootstrap combining rows (rowspan)
... height:25px;
}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" />
<div class="container">
<h1>Responsive Bootstrap</h1>
<div class="row">
<div class="col-lg-5 col-md-5 col-sm-5 col-xs-5" style="back...
How to install a previous exact version of a NPM package?
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1639
If you have to install an older version of a package, just specify it
npm install <package&...