大约有 44,000 项符合查询结果(耗时:0.0477秒) [XML]
How to fix “Attempted relative import in non-package” even with __init__.py
I'm trying to follow PEP 328 , with the following directory structure:
18 Answers
18
...
Or versus OrElse
...
answered Jul 23 '09 at 10:06
AakashMAakashM
57.6k1313 gold badges139139 silver badges176176 bronze badges
...
What is __pycache__?
... |
edited Jul 9 at 18:32
Ekevoo
2,37311 gold badge2020 silver badges3030 bronze badges
answered Jun ...
@property retain, assign, copy, nonatomic in Objective-C
...
|
edited Oct 23 '11 at 20:02
answered Oct 21 '11 at 21:34
...
How to reliably open a file in the same directory as a Python script
...
203
I always use:
__location__ = os.path.realpath(
os.path.join(os.getcwd(), os.path.dirname(__f...
How to get the input from the Tkinter Text Widget?
...
132
To get Tkinter input from the text box, you must add a few more attributes to the normal .get()...
What does the “yield” keyword do?
...ng its items one by one is called iteration:
>>> mylist = [1, 2, 3]
>>> for i in mylist:
... print(i)
1
2
3
mylist is an iterable. When you use a list comprehension, you create a list, and so an iterable:
>>> mylist = [x*x for x in range(3)]
>>> for i in my...
How to use the 'sweep' function
...
edited Jul 25 '19 at 10:13
Rekyt
34411 silver badge88 bronze badges
answered May 3 '11 at 17:52
...
Why does += behave unexpectedly on lists?
...gt;> a1 = a2 = [1, 2]
>>> b1 = b2 = [1, 2]
>>> a1 += [3] # Uses __iadd__, modifies a1 in-place
>>> b1 = b1 + [3] # Uses __add__, creates new list, assigns it to b1
>>> a2
[1, 2, 3] # a1 and a2 are still the same list
>>> b2
[...
What is the difference between .*? and .* regular expressions?
...
3 Answers
3
Active
...
