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Iterating through directories with Python
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Normalize data in pandas
... df
Out[92]:
a b c d
A -0.488816 0.863769 4.325608 -4.721202
B -11.937097 2.993993 -12.916784 -1.086236
C -5.569493 4.672679 -2.168464 -9.315900
D 8.892368 0.932785 4.535396 0.598124
In [93]: df_norm = (df - df.mean()) / (df.max() - df.min())
In [9...
javascript function leading bang ! syntax
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edited Aug 30 '14 at 7:27
answered Apr 29 '11 at 3:08
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What is the preferred/idiomatic way to insert into a map?
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edited Nov 26 '10 at 18:37
user229044♦
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Why does the is operator return false when given null?
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This question was the subject of my blog on May 30th 2013. Thanks for the great question!
You're staring at an empty driveway.
Someone asks you "can your driveway hold a Honda Civic?"
Yes. Yes it can.
Someone points you at a second driveway. It is also empty. They a...
Where is svn.exe in my machine?
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Cadoiz
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answered Jun 3 '10 at 15:06
Amardeep AC9MFAmardeep AC9MF
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C# listView, how do I add items to columns 2, 3 and 4 etc?
...tView1.Items.Add , this works fine but how do I add items to columns 2 and 3 etc?
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Why should Java ThreadLocal variables be static
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Because if it were an instance level field, then it would actually be "Per Thread - Per Instanc...
How to use Single TextWatcher for multiple EditTexts?
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Python str vs unicode types
... ways into a sequence of binary data represented via str.
Note: In Python 3, unicode was renamed to str and there is a new bytes type for a plain sequence of bytes.
Some differences that you can see:
>>> len(u'à') # a single code point
1
>>> len('à') # by default utf-8 ->...