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Applying function with multiple arguments to create a new pandas column
...on:
>>> import numpy as np
>>> df = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]})
>>> df['new_column'] = np.multiply(df['A'], df['B'])
>>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary fun...
Why doesn't the JVM cache JIT compiled code?
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edited Jan 2 '10 at 19:24
answered Jan 2 '10 at 19:18
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How to compare versions in Ruby?
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Gem::Version.new('0.4.1') > Gem::Version.new('0.10.1')
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Does Internet Explorer support pushState and replaceState?
...formation is CanIUse. Here's the section on history.
Summary - IE9: no, IE10: yes (as of platform preview 3)
The first Release Candidate of IE9 (released 10th Feb 2011) does not support history.pushState or history.replaceState. Generally no new features are added after a product gets to RC stage ...
Simpler way to create dictionary of separate variables?
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edited Mar 31 '10 at 14:09
answered Mar 31 '10 at 13:59
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JPanel Padding in Java
...our JPanel.
Example:
JPanel p =new JPanel();
p.setBorder(new EmptyBorder(10, 10, 10, 10));
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Regular expression for letters, numbers and - _
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answered Jun 12 '10 at 12:25
polygenelubricantspolygenelubricants
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Scala Doubles, and Precision
... developed.
– akauppi
Sep 19 '14 at 10:02
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show 24 more c...
Escape quote in web.config connection string
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107
Use " instead of " to escape it.
web.config is an XML file so you should use XML esc...
Limitations of SQL Server Express
...ding is possible)
1GB RAM (Same in 2008/2012)
4GB database size (raised to 10GB in SQL 2008 R2 and SQL 2012) per database
http://www.dotnetspider.com/tutorials/SqlServer-Tutorial-158.aspx
http://www.microsoft.com/sqlserver/2008/en/us/editions.aspx
With regards to the number of databases, this MSD...