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Add column with constant value to pandas dataframe [duplicate]
...8]: from numpy.random import randint
In [9]: df = DataFrame({'a': randint(3, size=10)})
In [10]:
In [10]: df
Out[10]:
a
0 0
1 2
2 0
3 1
4 0
5 0
6 0
7 0
8 0
9 0
In [11]: s = df.a[:5]
In [12]: dfa, sa = df.align(s, axis=0)
In [13]: dfa
Out[13]:
a
0 0
1 2
2 0
3 1
4 0
5 0
6 ...
What is the difference between exit() and abort()?
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edited Jun 7 '13 at 14:43
user283145
answered Dec 29 '08 at 3:27
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Android error: Failed to install *.apk on device *: timeout
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1131
Try changing the ADB connection timeout. I think it defaults that to 5000ms and I changed mine...
The order of keys in dictionaries
...es Python 2.7) or higher.
Also, note that OrderedDict({'a': 1, 'b':2, 'c':3}) won't work since the dict you create with {...} has already forgotten the order of the elements. Instead, you want to use OrderedDict([('a', 1), ('b', 2), ('c', 3)]).
As mentioned in the documentation, for versions lower...
C-like structures in Python
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352
Use a named tuple, which was added to the collections module in the standard library in Python...
Struct inheritance in C++
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answered Jun 11 '09 at 3:44
Alex MartelliAlex Martelli
724k148148 gold badges11261126 silver badges13241324 bronze badges
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Why would anyone use set instead of unordered_set?
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3
It's ordered using std::less by default; you can override this and supply your own comparison operator. cplusplus.com/reference/set/set
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How can I edit a view using phpMyAdmin 3.2.4?
I need to simply edit a very complicated view in phpMyAdmin 3.2.4 but I cannot figure how to do that. Any suggestions?
Thanks!
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
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335
It looks like you are passing an NSString parameter where you should be passing an NSData para...