大约有 9,000 项符合查询结果(耗时:0.0326秒) [XML]
How to include (source) R script in other scripts
...answered May 28 '19 at 20:35
José Roberto Ribeiro FilhoJosé Roberto Ribeiro Filho
1122 bronze badges
...
Find object in list that has attribute equal to some value (that meets any condition)
...t("i found it!")
break
The naive loop-break version, is perfectly Pythonic -- it's concise, clear, and efficient. To make it match the behavior of the one-liner:
for x in test_list:
if x.value == value:
print("i found it!")
break
else:
x = None
This will assign None...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
If I have the following Python code
6 Answers
6
...
What is the most pythonic way to check if an object is a number?
Given an arbitrary python object, what's the best way to determine whether it is a number? Here is is defined as acts like a number in certain circumstances .
...
Python: Find in list
...exactly equivalent to
matches = filter(fulfills_some_condition, lst)
in Python 2. Here you can see higher-order functions at work. In Python 3, filter doesn't return a list, but a generator-like object.
Finding the first occurrence
If you only want the first thing that matches a condition (but ...
Printing tuple with string formatting in Python
...
In Python 3 print is a function, not a statement, so you have to write print(....).
– J.G.
May 16 at 17:09
...
How do I initialize the base (super) class?
In Python, consider I have the following code:
4 Answers
4
...
Python loop that also accesses previous and next values
... accessing the previous, current, and next items? Like this C/C++ code, in Python?
14 Answers
...
How to get UTC time in Python?
...t dates. The results of such substraction is a timedelta object.
From the python docs:
class datetime.timedelta([days[, seconds[, microseconds[, milliseconds[, minutes[, hours[, weeks]]]]]]])
And this means that by default you can get any of the fields mentioned in it's definition -
days, secon...
How to send cookies in a post request with the Python Requests library?
...n: This question and the code in the answer is about setting a cookie in a Python request. The request does something similar to a browser request, but no browsers are involved.
– DDay
Jan 20 at 23:03
...