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How to debug a bash script? [closed]
...s after they are expanded and before they are executed. The value of the PS4 variable is expanded and the resultant value is printed before the command and its expanded arguments.
That much does not seem to indicate different behaviour at all. I don't see any other relevant references to '-x' in...
How to select multiple rows filled with constants?
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SELECT 1, 2, 3
UNION ALL SELECT 4, 5, 6
UNION ALL SELECT 7, 8, 9
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Using socket.io in Express 4 and express-generator's /bin/www
... deal: I'm trying to use socket.io in an express project. After Express Js 4 was lauched, i've updated my express-generator and now the app initial functions goes into ./bin/www file, including those vars (www file contents: http://jsfiddle.net/avMa5/ )
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Should I make HTML Anchors with 'name' or 'id'?
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Best data type to store money values in MySQL
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edited Jun 26 '17 at 14:05
answered Oct 23 '12 at 12:26
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Change column type from string to float in Pandas
...ring and numeric values
>>> s
0 8
1 6
2 7.5
3 3
4 0.9
dtype: object
>>> pd.to_numeric(s) # convert everything to float values
0 8.0
1 6.0
2 7.5
3 3.0
4 0.9
dtype: float64
As you can see, a new Series is returned. Remember to assign this output ...
Version number comparison in Python
...t mycmp("1", "1") == 0
assert mycmp("2.1", "2.2") < 0
assert mycmp("3.0.4.10", "3.0.4.2") > 0
assert mycmp("4.08", "4.08.01") < 0
assert mycmp("3.2.1.9.8144", "3.2") > 0
assert mycmp("3.2", "3.2.1.9.8144") < 0
assert mycmp("1.2", "2.1") < 0
assert mycmp("2.1", "1.2") > 0
assert ...
Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly
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144
I had the same problem and solved it by running the following command:
sudo /Library/StartupIt...
Find integer index of rows with NaN in pandas dataframe
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47
For DataFrame df:
import numpy as np
index = df['b'].index[df['b'].apply(np.isnan)]
will giv...