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How to check Django version
...nd Django for our application. So I have two versions of Python, 2.6 and 2.7. Now I have installed Django. I could run the sample application for testing Django succesfuly. But how do I make sure whether Django uses the 2.6 or 2.7 version and what version of modules Django uses?
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Why aren't python nested functions called closures?
...ions written like this the ability to have "internal memory". As of Python 2.7 this is not possible. If you try
def initCounter():
x = 0;
def counter ():
x += 1 ##Error, x not defined
print x
return counter
count = initCounter();
count(); ##Error
count();
count();
Yo...
'python' is not recognized as an internal or external command [duplicate]
So I have recently installed Python Version 2.7.5 and I have made a little loop thing with it but the problem is, when I go to cmd and type python testloop.py I get the error:
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How do I detect if Python is running as a 64-bit application? [duplicate]
...uickest safe multi-platform approach is to test sys.maxsize on Python 2.6, 2.7, Python 3.x.
$ arch -i386 /usr/local/bin/python2.7
Python 2.7.9 (v2.7.9:648dcafa7e5f, Dec 10 2014, 10:10:46)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more...
Why does Ruby have both private and protected methods?
...ave to) call it with self to separate it from local variables."
Since Ruby 2.7 the self receiver can be explicit, self.some_private_method is allowed. (Any other explicit receiver is still disallowed, even if the runtime value is the same as self.)
In Ruby, these distinctions are just advice from...
How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
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Similarly, taking the union of items() in Python 3 (viewitems() in Python 2.7) will also fail when values are unhashable objects (like lists, for example). Even if your values are hashable, since sets are semantically unordered, the behavior is undefined in regards to precedence. So don't do this:
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Options for HTML scraping? [closed]
...brary has a built-in HTML Parser... why not just use that? docs.python.org/2.7/library/htmlparser.html
– ArtOfWarfare
Jul 20 '15 at 20:29
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Creating a new dictionary in Python
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@ Matt Apparently CPython 2.7 dict() is slower (6 times slower?), See: doughellmann.com/2012/11/… In any case I am starting to prefer the constructor syntax anyways since I find it easier to type and move code between dicts and function calls.
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How to find if directory exists in Python
...ue
In [8]: q.is_dir()
Out[8]: False
Pathlib is also available on Python 2.7 via the pathlib2 module on PyPi.
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为什么我们程序员写不出好代码？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...不得不修改底层的代码。
当我试图兼顾Python 3.0和Python 2.7两个版本时，尽管Pyhton是一个相对稳定的版本，但我还是感到很烦。
在许多情况下，新的工具都没有得到十足的锻炼。例如，Node.js的确非常快，但只有在你重新学习了...