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Extract elements of list at odd positions
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Community♦
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answered Sep 15 '12 at 1:08
TadeckTadeck
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Python - abs vs fabs
...abs(3+4j))
Out[9]: float
In [10]: type(math.fabs(-2))
Out[10]: float
In [11]: type(math.fabs(-2.0))
Out[11]: float
In [12]: type(math.fabs(3+4j))
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)...
Initializing a struct to 0
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answered Jun 22 '12 at 7:51
Alok SaveAlok Save
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Send POST Request with Data Specified in File via Curl
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answered Jun 20 '11 at 9:13
Richard JRichard J
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How to change the default collation of a table?
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answered Mar 29 '11 at 7:00
Nikki Erwin RamirezNikki Erwin Ramirez
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returning a Void object
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edited Mar 9 '10 at 11:56
answered Mar 9 '10 at 11:34
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add a string prefix to each value in a string column using Pandas
...ame({'col':['a', 0]*200000})
%timeit df['col'].apply(lambda x: f"str{x}")
117 ms ± 451 µs per loop (mean ± std. dev. of 7 runs, 10 loops each)
%timeit 'str' + df['col'].astype(str)
112 ms ± 1.04 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)
Using format, however, is indeed far slo...
Why are trailing commas allowed in a list?
...ited Nov 27 '17 at 0:35
user2357112 supports Monica
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answered Jul 22 '12 at 5:15
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How to send JSON instead of a query string with $.ajax?
... raffian
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answered Oct 2 '12 at 16:05
BergiBergi
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Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
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answered Jun 10 '14 at 11:03
NewoneNewone
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