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Why is the standard session lifetime 24 minutes (1440 seconds)?
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The real answer is probably very close to this:
Back during PHP3 days, PHP itself had no session support.
But an open-source library called PHPLIB, initially written by Boris Erdmann and Kristian Koehntopp from NetUSE AG, provided sessions via PHP3 code.
Session lifetimes were defi...
How to pause a YouTube player when hiding the iframe?
...ight:auto;display:none;z-index:200;">
<iframe width="500" height="315" src="http://www.youtube.com/embed/T39hYJAwR40?enablejsapi=1" frameborder="0" allowfullscreen></iframe>
<br /><br />
<a href="javascript:;" onClick="toggleVideo('hide');">close</a>
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Creating a new column based on if-elif-else condition
...df['C'] = df.apply(f, axis=1)
In [2]: df
Out[2]:
A B C
a 2 2 0
b 3 1 1
c 1 3 -1
Of course, this is not vectorized so performance may not be as good when scaled to a large number of records. Still, I think it is much more readable. Especially coming from a SAS background.
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Exposing a port on a live Docker container
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337
You cannot do this via Docker, but you can access the container's un-exposed port from the hos...
What is the purpose of the single underscore “_” variable in Python?
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user5994461
2,3841414 silver badges3131 bronze badges
answered May 5 '11 at 7:10
ncoghlanncoghlan
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How can I automatically deploy my app after a git push ( GitHub and node.js)?
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13 Answers
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R apply function with multiple parameters
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3 Answers
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How can I make a time delay in Python? [duplicate]
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13 Answers
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What does the comma operator , do?
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132
The expression:
(expression1, expression2)
First expression1 is evaluated, then expression2...
View.setPadding accepts only in px, is there anyway to setPadding in dp?
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edited Feb 3 '11 at 17:31
Jazure
4177 bronze badges
answered Nov 25 '10 at 10:21
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