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Why is it slower to iterate over a small string than a small list?
...thon2 -m timeit '[x for x in ["a", "b", "c"]]'
1000000 loops, best of 3: 0.212 usec per loop
Let's explain the difference between the versions. I'll examine the compiled code.
For Python 3:
import dis
def list_iterate():
[item for item in ["a", "b", "c"]]
dis.dis(list_iterate)
#>>>...
Javascript replace with reference to matched group?
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edited Nov 24 '17 at 7:21
Rand Random
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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
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Jon SkeetJon Skeet
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Python: Bind an Unbound Method?
...ng:
def __init__(self, val):
self.val = val
something = Thing(21)
def double(self):
return 2 * self.val
bind(something, double)
something.double() # returns 42
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Logical operators for boolean indexing in Pandas
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When you say
(a['x']==1) and (a['y']==10)
You are implicitly asking Python to convert (a['x...
StringBuilder vs String concatenation in toString() in Java
...:18
Liam
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answered Oct 7 '09 at 15:51
Michael Borgw...
ObjectiveC Parse Integer from String
...reekfalconcreek
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sqlalchemy unique across multiple columns
...s a shortcut to .columns.
– van
Mar 21 at 6:21
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Solving “Who owns the Zebra” programmatically?
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edited Sep 15 '15 at 21:28
Ben Burns
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How can I get the version defined in setup.py (setuptools) in my package?
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bignose
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answered Jan 15 '10 at 17:38
PJ EbyPJ Eby
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