大约有 40,000 项符合查询结果（耗时：0.0348秒） [XML]
How to mock an import
...importing A to get what you want:
test.py:
import sys
sys.modules['B'] = __import__('mock_B')
import A
print(A.B.__name__)
A.py:
import B
Note B.py does not exist, but when running test.py no error is returned and print(A.B.__name__) prints mock_B. You still have to create a mock_B.py where ...
Unique Key constraints for multiple columns in Entity Framework
...etails.
– Mass Dot Net
Dec 2 '15 at 21:15
1
@niaher I appreciate your nice extension method
...
How to create a directory if it doesn't exist using Node.js?
...ent loop
– Max Heiber
Feb 13 '17 at 21:23
16
Using sync methods it's fine for local scripts and s...
Is there any Rails function to check if a partial exists?
...
JeffJeff
21.3k66 gold badges4747 silver badges5555 bronze badges
...
Python __str__ and lists
...
Calling string on a python list calls the __repr__ method on each element inside. For some items, __str__ and __repr__ are the same. If you want that behavior, do:
def __str__(self):
...
def __repr__(self):
return self.__str__()
...
What exactly does an #if 0 … #endif block do?
... |
edited May 17 '10 at 21:31
answered May 17 '10 at 21:24
...
Getting number of elements in an iterator in Python
...d work:
>>> iter = (i for i in range(50))
>>> sum(1 for _ in iter)
50
Although it does iterate through each item and count them, it is the fastest way to do so.
It also works for when the iterator has no item:
>>> sum(1 for _ in range(0))
0
Of course, it runs foreve...
Failed to load the JNI shared Library (JDK)
... |
edited Aug 28 '19 at 9:21
community wiki
14 ...
AfxGetMainWnd函数解惑 - C/C++ - 清泛网 - 专注C/C++及内核技术
...时也会失灵。不信， 你测试一下下面的代码：
unsigned __stdcall SecondThreadFunc( void* pArguments )
{
CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
if (NULL!=pMainWnd)
{
CView *pView = pMainWnd->GetActiveView();
if (NULL...
How to add a new method to a php object on the fly?
...
answered Jul 16 '15 at 21:47
migliomiglio
1,94277 silver badges2020 bronze badges
...