大约有 11,000 项符合查询结果（耗时：0.0271秒） [XML]
Python exit commands - why so many and when should each be used?
It seems that python supports many different commands to stop script execution. The choices I've found are: quit() , exit() , sys.exit() , os._exit()
...
setuptools vs. distutils: why is distutils still a thing?
Python has a confusing history of tools that can be used to package and describe projects: these include distutils in the Standard Library, distribute , distutils2 , and setuptools (and maybe more). It appears that distribute and distutils2 were discontinued in favor of setuptools , which...
How can I pass a list as a command-line argument with argparse?
... nargs='+', help='<Required> Set flag', required=True)
# Use like:
# python arg.py -l 1234 2345 3456 4567
nargs='+' takes 1 or more arguments, nargs='*' takes zero or more.
append
parser.add_argument('-l','--list', action='append', help='<Required> Set flag', required=True)
# Use lik...
Is it a good practice to use try-except-else in Python?
From time to time in Python, I see the block:
10 Answers
10
...
PyLint, PyChecker or PyFlakes? [closed]
... much choose your check rules) on the following script :
#!/usr/local/bin/python
# by Daniel Rosengren modified by e-satis
import sys, time
stdout = sys.stdout
BAILOUT = 16
MAX_ITERATIONS = 1000
class Iterator(object) :
def __init__(self):
print 'Rendering...'
for y in xran...
Multiple variables in a 'with' statement?
... it possible to declare more than one variable using a with statement in Python?
6 Answers
...
Iterating over dictionaries using 'for' loops
...d values. To loop over both key and value you can use the following:
For Python 3.x:
for key, value in d.items():
For Python 2.x:
for key, value in d.iteritems():
To test for yourself, change the word key to poop.
In Python 3.x, iteritems() was replaced with simply items(), which returns a ...
Python Unicode Encode Error
...
the 'ignore' part will tell it to just skip those characters. From the python docs:
>>> u = unichr(40960) + u'abcd' + unichr(1972)
>>> u.encode('utf-8')
'\xea\x80\x80abcd\xde\xb4'
>>> u.encode('ascii')
Traceback (most recent call last):
File "<stdin>", line 1,...
Zip lists in Python
...
@GilbertS in Python 2 zip returned a list. In Python 3 it is an iterator
– Tomerikoo
Mar 23 at 13:34
...
How to convert an enum type variable to a string?
...r each enumeration that performs the conversion to string:
enum OS_type { Linux, Apple, Windows };
inline const char* ToString(OS_type v)
{
switch (v)
{
case Linux: return "Linux";
case Apple: return "Apple";
case Windows: return "Windows";
default: ...