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Getting list of lists into pandas DataFrame
... edited Jan 30 '19 at 22:24
cs95
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answered Oct 1 '13 at 9:41
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initialize a numpy array
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edited Dec 12 '12 at 9:25
ryanjdillon
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answered...
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 can I check if character in a string is a letter? (Python)
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195
You can use str.isalpha().
For example:
s = 'a123b'
for char in s:
print(char, char.isalp...
What is the difference between libsqlite3.dylib and libsqlite3.0.dylib?
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95
Is the latter just a symlink to the latest v3 library like the convention for package manager...
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
Fre...
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
Sort is...
Google Maps API v3: How do I dynamically change the marker icon?
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5 Answers
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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...