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Who is listening on a given TCP port on Mac OS X?
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2159
On macOS High Sierra and later, use this command:
lsof -nP -iTCP:$PORT | grep LISTEN
or to...
How can I post data as form data instead of a request payload?
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22 Answers
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passing several arguments to FUN of lapply (and others *apply)
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If you look up the help page, one of the arguments to lapply is the mysterious .... When we loo...
Changing UIImage color
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265
Since iOS 7, this is the most simple way of doing it.
Objective-C:
theImageView.image = [the...
CSV file written with Python has blank lines between each row
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In Python 2, open outfile with mode 'wb' instead of 'w'. The csv.writer writes \r\n into the file directly. If you don't open the file in binary mode, it will write \r\r\n because on Windows text mode will translate each \n into \r\n...
Is there a “do … until” in Python? [duplicate]
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265
There is no do-while loop in Python.
This is a similar construct, taken from the link above.
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Python str vs unicode types
Working with Python 2.7, I'm wondering what real advantage there is in using the type unicode instead of str , as both of them seem to be able to hold Unicode strings. Is there any special reason apart from being able to set Unicode codes in unicode strings using the escape char \ ?:
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How do I daemonize an arbitrary script in unix?
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12 Answers
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How to determine whether a Pandas Column contains a particular value
...ther the value is in the index:
In [11]: s = pd.Series(list('abc'))
In [12]: s
Out[12]:
0 a
1 b
2 c
dtype: object
In [13]: 1 in s
Out[13]: True
In [14]: 'a' in s
Out[14]: False
One option is to see if it's in unique values:
In [21]: s.unique()
Out[21]: array(['a', 'b', 'c'], dtype=o...
Hide files with certain extension in Sublime Text Editor?
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2 Answers
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