大约有 44,000 项符合查询结果（耗时：0.0237秒） [XML]
Is there a difference between “==” and “is”?
...lementation detail. For larger integers, this does not work:
>>> 1000 is 10**3
False
>>> 1000 == 10**3
True
The same holds true for string literals:
>>> "a" is "a"
True
>>> "aa" is "a" * 2
True
>>> x = "a"
>>> "aa" is x * 2
False
>>>...
remove objects from array by object property
...
answered May 10 '13 at 22:39
Ry-♦Ry-
192k4444 gold badges392392 silver badges403403 bronze badges
...
How can I find the data structure that represents mine layout of Minesweeper in memory?
...
10 Answers
10
Active
...
What's the recommended approach to resetting migration history using Django South?
... |
edited Sep 21 '14 at 10:27
Andy Baker
19k1111 gold badges4848 silver badges7171 bronze badges
answe...
Performance difference for control structures 'for' and 'foreach' in C#
...ollections.Generic.List`1/Enumerator<object>::get_Current()
IL_0010: stloc.0
IL_0011: ldloc.0
IL_0012: call void [mscorlib]System.Console::WriteLine(object)
IL_0017: ldloca.s V_1
IL_0019: call instance bool valuetype [mscorlib]System.Collections.Generic.L...
Can I access constants in settings.py from templates in Django?
...ture?
– SystemParadox
Oct 28 '11 at 10:46
1
@asofyan yes, add create a custom template context pr...
What is the difference between a field and a property?
...
1024
Properties expose fields. Fields should (almost always) be kept private to a class and acces...
Camera orientation issue in Android
...
answered Jul 4 '13 at 10:28
Tran Khanh TungTran Khanh Tung
29933 silver badges66 bronze badges
...
append to url and refresh page
...2 main scenarios.
– greaterKing
Jan 10 '17 at 18:57
1
...
Excel: last character/string match in a string
...f that in several hours if not days or weeks!" - +1, sadly, because +5 or +10 is hard to do on my own --- if-you're-stuck-explanation: (using the example) SUBSTITUTE all (3) instances of \ with nothing (shorten length of string by 3) -> that \ (the 3rd) is the last one; replace that with somethin...