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Modifying a subset of rows in a pandas dataframe
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edited Dec 3 '18 at 6:52
answered Sep 6 '12 at 19:37
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How is “int* ptr = int()” value initialization not illegal?
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110
int() is a constant expression with a value of 0, so it's a valid way of producing a null poin...
How to round to 2 decimals with Python?
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16 Answers
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pandas: How do I split text in a column into multiple rows?
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0 32363 McCartney, Paul 3 F04 2:218:10:4,6 60
1 31316 Lennon, John 25 F01 1:13:36:1,12 1:13:37:1,13 300
In [44]: s = df['Seatblocks'].str.split(' ').apply(Series, 1).stack()
In [45]: s.index = s.index.droplevel(-1) # to line up wi...
Calculating Pearson correlation and significance in Python
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16 Answers
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Sorting list based on values from another list?
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15 Answers
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Python Infinity - Any caveats?
... usual arithmetic calculations:
>>> 2.0**2
4.0
>>> _**2
16.0
>>> _**2
256.0
>>> _**2
65536.0
>>> _**2
4294967296.0
>>> _**2
1.8446744073709552e+19
>>> _**2
3.4028236692093846e+38
>>> _**2
1.157920892373162e+77
>>> _**2...
How to grant remote access to MySQL for a whole subnet?
...n as a wildcard in the IP address.
From http://dev.mysql.com/doc/refman/5.1/en/grant.html
You can specify wildcards in the host name. For example, user_name@'%.example.com' applies to user_name for any host in the example.com domain, and user_name@'192.168.1.%' applies to user_name for any host...