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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
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119
I'd just use zip:
In [1]: from pandas import *
In [2]: def calculate(x):
...: return x*...
Get time difference between two dates in seconds
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291
The Code
var startDate = new Date();
// Do your operations
var endDate = new Date();
var seco...
How do I ignore the initial load when watching model changes in AngularJS?
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119
+300
set a fl...
Changing Mercurial “Default” Parent URL
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149
You can even add multiple entries in the [paths] section of your .hg/hgrc file.
[paths]
default...
Finding Number of Cores in Java
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edited Nov 17 '11 at 9:03
answered Jan 21 '11 at 13:58
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How do I use InputFilter to limit characters in an EditText in Android?
I want to restrict the chars to 0-9, a-z, A-Z and spacebar only. Setting inputtype I can limit to digits but I cannot figure out the ways of Inputfilter looking through the docs.
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CSS selector for other than the first child and last child
...re googling :P genius
– SidOfc
May 19 '15 at 12:41
1
That's wrong: not (A and B) is not equal to ...
How to order results with findBy() in Doctrine
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309
The second parameter of findBy is for ORDER.
$ens = $em->getRepository('AcmeBinBundle:Marks'...
How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly
...2 False False True
3 False False False
4 False False False
In [59]: pd.isnull(df).any(axis=1)
Out[59]:
0 False
1 True
2 True
3 False
4 False
leading to the rather compact:
In [60]: df[pd.isnull(df).any(axis=1)]
Out[60]:
0 1 2
1 0 NaN 0
2 0 0 NaN
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Undock Chrome Developer Tools
...8
barlop
9,21966 gold badges5757 silver badges8686 bronze badges
answered Nov 26 '13 at 14:42
DarkWandererDark...