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Python - Create a list with initial capacity
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What if the preallocation method (size*[None]) itself is inefficient? Does the python VM actually allocate the list at once, or grow it gra...
@UniqueConstraint annotation in Java
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edited Jan 15 '19 at 11:17
answered May 8 '18 at 6:16
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Best practices with STDIN in Ruby?
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edited Aug 7 '19 at 15:38
Victor
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/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
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19 Answers
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pandas dataframe columns scaling with sklearn
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A B C
0 0.000000 0.000000 big
1 0.926219 0.363636 small
2 0.935335 0.628645 big
3 1.000000 0.961407 small
4 0.938495 1.000000 small
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What optimizations can GHC be expected to perform reliably?
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edited Mar 2 '19 at 16:13
Psi
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answered Sep 30 '12 at 1:44
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Checking for empty queryset in Django
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Since version 1.2, Django has QuerySet.exists() method which is the most efficient:
if orgs.e...
How to compare type of an object in Python?
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answered Apr 1 '09 at 23:19
Paolo BergantinoPaolo Bergantino
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Add Text on Image using PIL
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edited Feb 19 '19 at 19:18
answered Jul 29 '18 at 4:07
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