大约有 11,000 项符合查询结果（耗时：0.0374秒） [XML]
Python: using a recursive algorithm as a generator
...
In Python 3.4, you can replace the last two lines with yield from getPermutations(string[:i] + string[i+1:]), which is more efficient in many ways!
– Manuel Ebert
Apr 29 '14 at 17:46
...
Count how many records are in a CSV Python?
I'm using python (Django Framework) to read a CSV file. I pull just 2 lines out of this CSV as you can see. What I have been trying to do is store in a variable the total number of rows the CSV also.
...
How to join components of a path when you are constructing a URL in Python
...th a slash which signifies that it already begins at the website root.
On Python 2, you have to do
from urlparse import urljoin
share
|
improve this answer
|
follow
...
Calling a function of a module by using its name (a string)
...o go about calling a function given a string with the function's name in a Python program. For example, let's say that I have a module foo , and I have a string whose content is "bar" . What is the best way to call foo.bar() ?
...
How to activate virtualenv?
... creating a folder and cd'ing into it:
$ virtualenv venv --distribute
New python executable in venv/bin/python
Installing distribute.........done.
Installing pip................done.
$ source venv/bin/activate
(venv)$ python
...
Scripting Language vs Programming Language [closed]
...ed and/or recompiled at runtime)
Pascal
...and then you have things like Python that sit in both camps: Python is widely used without a compilation step, but the main implementation (CPython) does that by compiling to bytecode on-the-fly and then running the bytecode in a VM, and it can write that...
Determining Whether a Directory is Writeable
What would be the best way in Python to determine whether a directory is writeable for the user executing the script? Since this will likely involve using the os module I should mention I'm running it under a *nix environment.
...
What is the best way to exit a function (which has no return value) in python before the function en
...ng a return statement. Returning nothing is the same as returning None in Python.
share
|
improve this answer
|
follow
|
...
Best approach for GPGPU/CUDA/OpenCL in Java?
... that is available on all platforms right now (including MacOS X, FreeBSD, Linux, Windows, Solaris, all in Intel 32, 64 bits and ppc variants, thanks to its use of JNA).
It has demos that actually run fine from Java Web Start at least on Mac and Windows (to avoid random crashes on Linux, please see...
Python Mocking a function from an imported module
...new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f16134281%2fpython-mocking-a-function-from-an-imported-module%23new-answer', 'question_page');
}
);
Post as a guest
...