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Summarizing multiple columns with dplyr? [duplicate]
... 7.96ms 8.04ms 123. NA 24.5
#> 3 data.table 596.33µs 707.91µs 1409. NA 10.3
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u'\ufeff' in Python string
...परीक्षा|പരിശോധന|פּרובירן|kiểm tra|Ölçek|'
e8 = u.encode('utf-8') # encode without BOM
e8s = u.encode('utf-8-sig') # encode with BOM
e16 = u.encode('utf-16') # encode with BOM
e16le = u.encode('utf-16le') # encode without BOM
e16be = u.encode('ut...
Is there a job scheduler library for node.js? [closed]
... answered Jun 12 '14 at 4:43
XåpplI'-I0llwlg'I -XåpplI'-I0llwlg'I -
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Why can't I use a list as a dict key in python?
...gt;> t = (999,)
>>>
>>> %timeit l in lists_list
25.5 µs ± 442 ns per loop (mean ± std. dev. of 7 runs, 10000 loops each)
>>> %timeit s in stupidlists_set
38.5 µs ± 61.2 ns per loop (mean ± std. dev. of 7 runs, 10000 loops each)
>>> %timeit t in tuples_se...
Remove an item from a dictionary when its key is unknown
...wn. This answer assumes the key is known.
– Jean-François Corbett
Aug 8 '18 at 17:16
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What is the $$hashKey added to my JSON.stringify result
...'14 at 5:48
Michael Falck WedelgårdMichael Falck Wedelgård
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How to use OrderBy with findAll in Spring Data
... redundant public modifier is also a good idea ;)
– Håvard Geithus
Apr 20 '15 at 17:11
1
I agree...
Eclipse Kepler for OS X Mavericks request Java SE 6
... answered Nov 3 '13 at 0:08
Kåre JonssonKåre Jonsson
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how do you filter pandas dataframes by multiple columns
...le') & (df['Year']==2014)]
Results for 100,000 rows:
6.67 ms ± 557 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
5.54 ms ± 536 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
Results for 10,000,000 rows:
326 ms ± 6.52 ms per loop (mean ± std. dev. of 7 runs, 1 l...
How to convert UTF-8 byte[] to string?
... answered Oct 16 '14 at 1:04
Erçin DedeoğluErçin Dedeoğlu
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