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How to slice an array in Bash
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answered Aug 26 '09 at 17:10
Paused until further notice.Paused until further notice.
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Remove rows with all or some NAs (missing values) in data.frame
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1080
Also check complete.cases :
> final[complete.cases(final), ]
gene hsap mmul m...
Remove last item from array
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edited Aug 3 at 10:48
CroMagnon
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answere...
Reduce, fold or scan (Left/Right)?
...first* operator arg `res`
// op: -4 - 4 = -8
// res: Int = -8
xs.foldLeft(0)(minus)
// op: 0 - 1 = -1
// op: -1 - 2 = -3
// op: -3 - 3 = -6
// op: -6 - 4 = -10
// res: Int = -10
xs.scanLeft(0)(minus)
// op: 0 - 1 = -1
// op: -1 - 2 = -3
// op: -3 - 3 = -6
// op: -6 - 4 = -10
// res: List[Int] = Li...
How to parse a CSV file using PHP [duplicate]
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201
Just use the function for parsing a CSV file
http://php.net/manual/en/function.fgetcsv.php
$r...
Remove empty elements from an array in Javascript
...xample, if you want to remove null or undefined values:
var array = [0, 1, null, 2, "", 3, undefined, 3,,,,,, 4,, 4,, 5,, 6,,,,];
var filtered = array.filter(function (el) {
return el != null;
});
console.log(filtered);
It will depend on what you consider to be "empty" for exa...
Define a lambda expression that raises an Exception
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170
There is more than one way to skin a Python:
y = lambda: (_ for _ in ()).throw(Exception('fooba...
Semi-transparent color layer over background-image?
... position: relative;
}
.layer {
background-color: rgba(248, 247, 216, 0.7);
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
}
HTML for this:
<div class="background">
<div class="layer">
</div>
</div>
Of course you need to ...
Pandas - How to flatten a hierarchical index in columns
...et the columns to the top level:
df.columns = df.columns.get_level_values(0)
Note: if the to level has a name you can also access it by this, rather than 0.
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If you want to combine/join your MultiIndex into one Index (assuming you have just string entries in your columns) you could:
df.column...
plot a circle with pyplot
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205
You need to add it to an axes. A Circle is a subclass of an Artist, and an axes has an add_arti...