大约有 9,000 项符合查询结果（耗时：0.0298秒） [XML]
What does the caret operator (^) in Python do?
I ran across the caret operator in python today and trying it out, I got the following output:
5 Answers
...
Should __init__() call the parent class's __init__()?
...
In Python, calling the super-class' __init__ is optional. If you call it, it is then also optional whether to use the super identifier, or whether to explicitly name the super class:
object.__init__(self)
In case of object, c...
How to equalize the scales of x-axis and y-axis in Python matplotlib?
...
Sorry, plt.axis('scaled') didn't work for me in Python 3.7 and matplotlib - matplotlib==3.1.0 However, plt.axis('square') worked!
– rishi jain
Oct 11 '19 at 10:15
...
'too many values to unpack', iterating over a dict. key=>string, value=>list
...
Python 2
You need to use something like iteritems.
for field, possible_values in fields.iteritems():
print field, possible_values
See this answer for more information on iterating through dictionaries, such as using item...
What is meant by Resource Acquisition is Initialization (RAII)?
... answered Feb 23 '10 at 20:39
Péter TörökPéter Török
107k2727 gold badges253253 silver badges326326 bronze badges
...
A Regex that will never be matched by anything
...r regarding timing, as I found the exact opposite measured with timeit and python3.
– nivk
Nov 4 '17 at 20:59
It's not...
How to round to 2 decimals with Python?
... Not sure why, but '{:0.2f}'.format(0.5357706) gives me '0.54' (python 3.6)
– Noam Peled
Apr 2 '18 at 2:00
3
...
Index all *except* one item in python
...; l[:2] + l[3:]
[1, 2, 4, 5, 6, 7, 8, 9]
>>>
See also
Explain Python's slice notation
share
|
improve this answer
|
follow
|
...
What does “Auto packing the repository for optimum performance” mean?
...d Apr 26 '13 at 9:28
Anders LindénAnders Lindén
5,57233 gold badges4040 silver badges9090 bronze badges
...
Check if a number is int or float
...
For Python 2, there is also the direct double check: isinstance(x, (int, long)).
– Eric O Lebigot
Apr 28 '13 at 13:05
...