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c# datatable insert column at position 0
...Wael Dalloul
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Converting JSON String to Dictionary Not List
...ints(i.e. datapoints[0][0]). Just to list them, I tried doing datapoints[0:5][0] but all I get is the first datapoint with both elements as opposed to wanting to get the first 5 datapoints containing only the first element. Is there a way to do this?
datapoints[0:5][0] doesn't do what you're expe...
How to sort a dataFrame in python pandas by two or more columns?
..., False])
For example:
In [11]: df1 = pd.DataFrame(np.random.randint(1, 5, (10,2)), columns=['a','b'])
In [12]: df1.sort(['a', 'b'], ascending=[True, False])
Out[12]:
a b
2 1 4
7 1 3
1 1 2
3 1 2
4 3 2
6 4 4
0 4 3
9 4 3
5 4 1
8 4 1
As commented by @renadeen
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Decreasing for loops in Python impossible?
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for n in range(6,0,-1):
print n
# prints [6, 5, 4, 3, 2, 1]
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PHP cURL vs file_get_contents
...s request
– Markus Köhler
Jul 29 '15 at 14:53
@velop: Yes. And method, too. And redirects. And timeout... php.net/man...
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Why does one hot encoding improve machine learning performance?
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edited Jul 3 '14 at 18:35
answered Jul 4 '13 at 12:20
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