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Applying function with multiple arguments to create a new pandas column
...gt;>> import numpy as np
>>> df = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]})
>>> df['new_column'] = np.multiply(df['A'], df['B'])
>>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary function ...
LINQ OrderBy versus ThenBy
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edited Jun 3 at 18:41
ThatShawGuy
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Python: reload component Y imported with 'from X import Y'?
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answered Nov 16 '09 at 3:44
Alex MartelliAlex Martelli
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How to detect if a specific file exists in Vimscript?
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138
With a bit of searching in vim man I've found this, which looks much better that the original:
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What exactly is an HTTP Entity?
...text/plain # ┬ The entity is from this line down...
Content-Length: 1234 # │
# │
Hello, World! ... # ┘
And a response:
HTTP/1.1 200 OK # Not part of the entity.
Content-Length: 438 # ┬ The entity is from this line down....
Virtual Serial Port for Linux
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edited Jul 7 '12 at 15:39
Nikola K.
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answered ...
git: Show index diff in commit message as comment
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Hotschke
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answered Jan 20 '11 at 17:09
Alan Haggai AlaviAlan Haggai Alavi
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ImportError: No module named requests
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31 Answers
31
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RGB to hex and hex to RGB
...nentToHex(g) + componentToHex(b);
}
alert(rgbToHex(0, 51, 255)); // #0033ff
Converting the other way:
function hexToRgb(hex) {
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),...