大约有 6,400 项符合查询结果（耗时：0.0210秒） [XML]
How do I disable the security certificate check in Python requests
...session.get('https://wrong.host.badssl.com/', verify=False)
/usr/local/lib/python3.7/site-packages/urllib3/connectionpool.py:857: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advance...
Removing a list of characters in string
I want to remove characters in a string in python:
18 Answers
18
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Why doesn't print work in a lambda?
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A lambda's body has to be a single expression. In Python 2.x, print is a statement. However, in Python 3, print is a function (and a function application is an expression, so it will work in a lambda). You can (and should, for forward compatibility :) use the back-ported pri...
How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
In Python, the only way I can find to concatenate two lists is list.extend , which modifies the first list. Is there any concatenation function that returns its result without modifying its arguments?
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How to capture stdout output from a Python function call?
I'm using a Python library that does something to an object
3 Answers
3
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How do I get the opposite (negation) of a Boolean in Python?
...ll __bool__ on the object.
So by implementing __bool__ (or __nonzero__ in Python 2) you can customize the truth value and thus the result of not:
class Test(object):
def __init__(self, value):
self._value = value
def __bool__(self):
print('__bool__ called on {!r}'.format(s...
How to move a model between two Django apps (Django 1.7)
... refer to my old answer.
First migration to remove model from 1st app.
$ python manage.py makemigrations old_app --empty
Edit migration file to include these operations.
class Migration(migrations.Migration):
database_operations = [migrations.AlterModelTable('TheModel', 'newapp_themodel')]...
Loop through all nested dictionary values?
...error:
RuntimeError: maximum recursion depth exceeded while calling a Python object
The same goes with the implementation from senderle.
Similarly, you get an infinite loop with this implementation from Fred Foo:
def myprint(d):
stack = list(d.items())
while stack:
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Haversine Formula in Python (Bearing and Distance between two GPS points)
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Here's a Python version:
from math import radians, cos, sin, asin, sqrt
def haversine(lon1, lat1, lon2, lat2):
"""
Calculate the great circle distance between two points
on the earth (specified in decimal degrees)
"...
Passing functions with arguments to another function in Python?
Is it possible to pass functions with arguments to another function in Python?
7 Answers
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