大约有 11,000 项符合查询结果（耗时：0.0232秒） [XML]
What is the most efficient string concatenation method in python?
Is there any efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here :
...
Python's json module, converts int dictionary keys to strings
I have found that when the following is run, python's json module (included since 2.6) converts int dictionary keys to strings.
...
No Multiline Lambda in Python: Why not?
I've heard it said that multiline lambdas can't be added in Python because they would clash syntactically with the other syntax constructs in Python. I was thinking about this on the bus today and realized I couldn't think of a single Python construct that multiline lambdas clash with. Given that ...
What does %s mean in a python format string?
What does %s mean in Python? And what does the following bit of code do?
7 Answers
7...
How can I find script's directory with Python? [duplicate]
Consider the following Python code:
12 Answers
12
...
CSV file written with Python has blank lines between each row
...
In Python 2, open outfile with mode 'wb' instead of 'w'. The csv.writer writes \r\n into the file directly. If you don't open the file in binary mode, it will write \r\r\n because on Windows text mode will translate each \n in...
Import error: No module name urllib2
...mentation:
The urllib2 module has been split across several modules in Python 3 named urllib.request and urllib.error. The 2to3 tool will automatically adapt imports when converting your sources to Python 3.
So you should instead be saying
from urllib.request import urlopen
html = urlopen("ht...
How to avoid reinstalling packages when building Docker image for Python projects?
...t /srv/requirements.txt
RUN pip install -r requirements.txt
ADD . /srv
RUN python setup.py install
ENTRYPOINT ["run_server"]
Docker will use cache during pip install as long as you do not make any changes to the requirements.txt, irrespective of the fact whether other code files at . were changed ...
Simpler way to put PDB breakpoints in Python code?
...
You can run your program into pdb from the command line by running
python -m pdb your_script.py
It will break on the 1st line, then you'll be able to add a breakpoint wherever you want in your code using the break command, its syntax is:
b(reak) [[filename:]lineno | function[, conditio...
Chain-calling parent initialisers in python [duplicate]
...
The way you are doing it is indeed the recommended one (for Python 2.x).
The issue of whether the class is passed explicitly to super is a matter of style rather than functionality. Passing the class to super fits in with Python's philosophy of "explicit is better than implicit".
...