大约有 6,100 项符合查询结果（耗时：0.0239秒） [XML]
How can I get a list of all classes within current module in Python?
... even if the current module hasn't been put in sys.modules, e.g. from docs.python.org/2/library/functions.html#execfile
– Chris Smith
May 1 '13 at 14:44
...
Extract elements of list at odd positions
...t is reached,
EDIT: @PreetKukreti gave a link for another explanation on Python's list slicing notation. See here: Explain Python's slice notation
Extras - replacing counter with enumerate()
In your code, you explicitly create and increase the counter. In Python this is not necessary, as you can...
Python: Checking if a 'Dictionary' is empty doesn't seem to work
...
Empty dictionaries evaluate to False in Python:
>>> dct = {}
>>> bool(dct)
False
>>> not dct
True
>>>
Thus, your isEmpty function is unnecessary. All you need to do is:
def onMessage(self, socket, message):
if not self.u...
Accessing dict keys like an attribute?
... instead of KeyError
Supports [Tab] autocompletion (e.g. in jupyter & ipython)
Cons:
Methods like .keys() will not work just fine if they get overwritten by incoming data
Each AttrDict instance actually stores 2 dictionaries, one inherited and another one in __dict__
Causes a memory leak in Py...
How do you split a list into evenly sized chunks?
...2, 63, 64, 65, 66, 67, 68, 69],
[70, 71, 72, 73, 74]]
If you're using Python 2, you should use xrange() instead of range():
def chunks(lst, n):
"""Yield successive n-sized chunks from lst."""
for i in xrange(0, len(lst), n):
yield lst[i:i + n]
Also you can simply use list c...
In Python, when should I use a function instead of a method?
The Zen of Python states that there should only be one way to do things- yet frequently I run into the problem of deciding when to use a function versus when to use a method.
...
Generate random numbers with a given (numerical) distribution
...numpy.arange(1, 7), p=[0.1, 0.05, 0.05, 0.2, 0.4, 0.2])
If you are using Python 3.6 or above, you can use random.choices() from the standard library – see the answer by Mark Dickinson.
share
|
i...
Raise warning in Python without interrupting program
I am trying to raise a Warning in Python without making the program crash / stop / interrupt.
3 Answers
...
How can I iterate over files in a given directory?
...th.join(directory, filename))
continue
else:
continue
Python 3.6 version of the above answer, using os - assuming that you have the directory path as a str object in a variable called directory_in_str:
import os
directory = os.fsencode(directory_in_str)
for file in os.list...
ImportError: numpy.core.multiarray failed to import
...o import" issue, but it was because I had 1.6 installed for the version of Python I was using, even though I kept installing 1.8 and assumed it was installing in the right directory.
I found the bad numpy version by using the following command in my Mac terminal:
python -c "import numpy;print(numpy....