大约有 6,100 项符合查询结果（耗时：0.0232秒） [XML]
How to access outer class from an inner class?
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Hmm, Python is friskier than Java/C++... see my answer below. If we're splitting hairs, which we usually are, I couldn't really tell you whether my "nested class within method" counts as an inner class. At this point, though, I ...
Parse date string and change format
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In python 3.x needs to install python-dateutil pip install python-dateutil
– AB Abhi
Aug 26 '19 at 15:19
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Find the most common element in a list
What is an efficient way to find the most common element in a Python list?
21 Answers
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Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
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Pro tip: if you have Python installed, simply type python -m SimpleHTTPServer in the root directory of your site, and find it hosted at localhost:8000.
– Thomas
Sep 4 '11 at 17:00
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Check list of words in another string [duplicate]
I can do such thing in python:
4 Answers
4
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Count number of occurrences of a given substring in a string
... count the number of times a given substring is present within a string in Python?
35 Answers
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How to get first element in a list of tuples?
... print list(unzipped[0])
[1, 2]
Edit (@BradSolomon):
The above works for Python 2.x, where zip returns a list.
In Python 3.x, zip returns an iterator and the following is equivalent to the above:
>>> print(list(list(zip(*inpt))[0]))
[1, 2]
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Remove trailing newline from the elements of a string list
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If you're using Python 2, note however, that str.strip only works if you're sure that the list does not contain unicode strings. If it can contain both 8-bit and unicode strings, use lambda s: s.strip() as mentioned above, or use the strip f...
Finding differences between elements of a list
....tee and zip to efficiently build the result:
from itertools import tee
# python2 only:
#from itertools import izip as zip
def differences(seq):
iterable, copied = tee(seq)
next(copied)
for x, y in zip(iterable, copied):
yield y - x
Or using itertools.islice instead:
from it...
When to use ' (or quote) in Lisp?
...is where quote comes in. Say you want to plot resource allocations from a Python application, but rather do the plotting in Lisp. Have your Python app do something like this:
print("'(")
while allocating:
if random.random() > 0.5:
print(f"(allocate {random.randint(0, 20)})")
el...