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Are empty HTML5 data attributes valid?
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edited Jun 20 at 9:12
Community♦
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answered May 20 '14 at 6:14
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Multiple aggregations of the same column using pandas GroupBy.agg()
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You can simply pass the functions as a list:
In [20]: df.groupby("dummy").agg({"returns": [np.mean, np.sum]})
Out[20]:
mean sum
dummy
1 0.036901 0.369012
or as a dictionary:
In [21]: df.groupby('dummy').agg({'returns':
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What does the question mark operator mean in Ruby?
...eturn type in the code.
– Jason
Nov 20 '12 at 21:36
5
It this case it is strictly a method naming...
Is there a date format to display the day of the week in java?
... of date formats such as
"yyyy-mm-dd" -which displays date in format 2011-02-26
"yyyy-MMM-dd" -which displays date in format 2011-FEB-26
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How to see the CREATE VIEW code for a view in PostgreSQL?
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EoghanMEoghanM
18.2k2020 gold badges7878 silver badges108108 bronze badges
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Using the Underscore module with Node.js
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As of today (April 30, 2012) you can use Underscore as usual on your Node.js code. Previous comments are right pointing that REPL interface (Node's command line mode) uses the "_" to hold the last result BUT on you are free to use it on your code f...
How can I use break or continue within for loop in Twig template?
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answered Mar 20 '15 at 7:07
Victor BocharskyVictor Bocharsky
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What's “requestCode” used for on PendingIntent?
...tead of getBroadcast()?
– Jenix
Oct 20 '16 at 10:03
Sorry to ask another question but because stackoverflow doesn't al...
figure of imshow() is too small
...works for me:
from matplotlib import pyplot as plt
plt.figure(figsize = (20,2))
plt.imshow(random.rand(8, 90), interpolation='nearest')
I am using the "MacOSX" backend, btw.
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URL Encode a string in jQuery for an AJAX request
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edited Jun 21 '17 at 20:19
Giacomo1968
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an...