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Which exception should I raise on bad/illegal argument combinations in Python?
...g about the best practices for indicating invalid argument combinations in Python. I've come across a few situations where you have a function like so:
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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...
Printing tuple with string formatting in Python
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In Python 3 print is a function, not a statement, so you have to write print(....).
– J.G.
May 16 at 17:09
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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 ...
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
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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 .
...
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
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Apple Pay入华遇阻 只因BAT太受欢迎？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...客源，但是多数商家并没有根据O2O平台的效果反馈和用户数据来合理安排经营，大多存在透支用户预期以及降低用户体验等问题，加上现有的O2O推广机制不够灵活，用户增量有限。目前来看，客流量仍然是商户最大的痛点之一。...
How do I initialize the base (super) class?
In Python, consider I have the following code:
4 Answers
4
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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...