大约有 11,000 项符合查询结果（耗时：0.0229秒） [XML]
Getting the index of the returned max or min item using max()/min() on a list
I'm using Python's max and min functions on lists for a minimax algorithm, and I need the index of the value returned by max() or min() . In other words, I need to know which move produced the max (at a first player's turn) or min (second player) value.
...
logger configuration to log to file and print to stdout
I'm using Python's logging module to log some debug strings to a file which works pretty well. Now in addition, I'd like to use this module to also print the strings out to stdout. How do I do this? In order to log my strings to a file I use following code:
...
How to download a file from server using SSH? [closed]
...tehost.edu:/remote/dir/foobar.txt /local/dir
From: http://www.hypexr.org/linux_scp_help.php
share
edited Mar 14 '15 at 9:31
Marek ...
usr/bin/ld: cannot find -l
...==============================================
attempt to open /usr/x86_64-linux-gnu/lib64/libzlib.so failed
attempt to open /usr/x86_64-linux-gnu/lib64/libzlib.a failed
attempt to open /usr/local/lib64/libzlib.so failed
attempt to open /usr/local/lib64/libzlib.a failed
attempt to open /lib64/libzli...
How to check for valid email address? [duplicate]
...
import re
if not re.match(r"... regex here ...", email):
# whatever
Python ≥3.4 has re.fullmatch which is preferable to re.match.
Note the r in front of the string; this way, you won't need to escape things twice.
If you have a large number of regexes to check, it might be faster to compi...
Qt events and signal/slots
... @KubaOber no it helps avoid the lower-level details. Would you say Python is not helpful because you can do the same thing writing in machine code? :)
– eric
Jan 12 '16 at 20:56
...
Concatenating two lists - difference between '+=' and extend()
I've seen there are actually two (maybe more) ways to concatenate lists in Python:
One way is to use the extend() method:
9...
How to fix “Attempted relative import in non-package” even with __init__.py
...
Yes. You're not using it as a package.
python -m pkg.tests.core_test
share
|
improve this answer
|
follow
|
...
Understanding the difference between __getattr__ and __getattribute__
...es which it doesn't explicitly manage and do that via __getattr__ method.
Python will call this method whenever you request an attribute that hasn't already been defined, so you can define what to do with it.
A classic use case:
class A(dict):
def __getattr__(self, name):
return self[...
matplotlib does not show my drawings although I call pyplot.show()
...wer is old, config should now be in ~/.config/matplotlib/matplotlibrc (for python 3, at least). I just had a related problem, and I think it was caused by using matplotlib in python 2.7, which created a ~/.matplotlib/ directory, and stopped python 3 from reading the config in ~/.config/matplotlib/. ...