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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
... very weird effect: Changing the loop variable from unsigned to uint64_t made the performance drop by 50% on my PC.
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Is it possible to cache POST methods in HTTP?
...POST) allows the caching of the response to a POST message, if you use the appropriate headers.
Responses to this method are not cacheable, unless the response
includes appropriate Cache-Control or Expires header fields. However,
the 303 (See Other) response can be used to direct the user a...
How to change package name of Android Project in Eclipse?
...ndroid project created in Eclipse . I want to modify the package name and application of the project. How do I do that in Eclipse?
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How to find the installed pandas version
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Check pandas.__version__:
In [76]: import pandas as pd
In [77]: pd.__version__
Out[77]: '0.12.0-933-g281dc4e'
Pandas also provides a utility function, pd.show_versions(), which reports the version of its dependencies as well:
In [53]...
Convert base-2 binary number string to int
...ited Feb 3 '17 at 4:16
temporary_user_name
29.3k3939 gold badges113113 silver badges180180 bronze badges
answered Jan 19 '12 at 15:02
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Python “raise from” usage
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The difference is that when you use from, the __cause__ attribute is set and the message states that the exception was directly caused by. If you omit the from then no __cause__ is set, but the __context__ attribute may be set as well, and the traceback then shows the co...
Does Python have a string 'contains' substring method?
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Under the hood, Python will use __contains__(self, item), __iter__(self), and __getitem__(self, key) in that order to determine whether an item lies in a given contains. Implement at least one of those methods to make in available to your custom type.
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What is the advantage of GCC's __builtin_expect in if else statements?
I came across a #define in which they use __builtin_expect .
6 Answers
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IOS7 : UIScrollView offset in UINavigationController
I'm currently migrating my app on ios 7 and I've been stuck for hours on the new navigationcontroller/bar management.
8 Ans...
How to get a reference to current module's attributes in Python
...he way I typically see this done is like this:
import sys
dir(sys.modules[__name__])
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