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How to get a function name as a string?
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my_function.__name__
Using __name__ is the preferred method as it applies uniformly. Unlike func_name, it works on built-in functions as well:
>>> import time
>>> time.time.func_name
Traceback (most recent ...
CORS - How do 'preflight' an httprequest?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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ThreadStatic v.s. ThreadLocal: is generic better than attribute?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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error LNK2019: 无法解析的外部符号 __imp__PlaySoundW@12，该符号在函数 \...
error LNK2019: 无法解析的外部符号 __imp__PlaySoundW@12，该符号在函数 "long __stdcall WndProc(struct HWND__ *,unsigned int,unsigned int,long)" (?WndProc@@YGJPAUHWND__@@IIJ@Z) 中被引用#include <mmsystem.h>#pragma comment(lib, "WINMM.LIB")
#include <mmsystem.h>
#pragma comm...
Python: How do I make a subclass from a superclass?
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# Initialize using Parent
#
class MySubClass(MySuperClass):
def __init__(self):
MySuperClass.__init__(self)
Or, even better, the use of Python's built-in function, super() (see the Python 2/Python 3 documentation for it) may be a slightly better method of calling the parent for ...
Python's equivalent of && (logical-and) in an if-statement
...actually
evaluated because of the print statements:
>>> def print_and_return(value):
... print(value)
... return value
>>> res = print_and_return(False) and print_and_return(True)
False
As you can see only one print statement is executed, so Python really didn't even lo...
Why is it not advisable to have the database and web server on the same machine?
...orizontally very easily. Given that we have more memory than disk in use (64GB vs. ~40GB), wouldn't it be better for performance to keep it all on the same machine?
– Beep beep
May 8 '11 at 2:56
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How do you represent a JSON array of strings?
... I had API's on the brain, where you want to look up the value in an array based on a key. So it would be, for an un-named array, {"1":"somestring1", "2":"somestring2"}
– PapaSmurf
Aug 10 '14 at 23:27
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List directory tree structure in python?
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Here's a function to do that with formatting:
import os
def list_files(startpath):
for root, dirs, files in os.walk(startpath):
level = root.replace(startpath, '').count(os.sep)
indent = ' ' * 4 * (level)
print('{}{}/'.format(indent, os.path.basename(root)))
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Why use bzero over memset?
...ne up. Which makes me wonder why compilers don't say "you are passing a 32/64 bit pointer where a byte is expected" and kick you firmly in the compiler errors.
– Móż
Oct 30 '13 at 3:32
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