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Check if OneToOneField is None in Django
...ately, this doesn't work all the time. In case you want to work with select_related() now or in the future -- or maybe even to be sure you also handle other sorts of magic which may happen elsewhere -- you have to extend the test as follows: if hasattr(object, 'onetoonerevrelattr') and object.onetoo...
MFC CSplitterWnd的用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...rWnd类的Create或CreateStatic（）函数；
例子：
CSplitterWnd m_wndSplitter;
BOOL CChildFrame::OnCreateClient( LPCREATESTRUCT lpcs,
CCreateContext* pContext)
{
BOOL bCreateSpltr = m_wndSplitter.CreateStatic( this, 2, 1);
// COneView and CAnotherView are use...
How can you make a custom keyboard in Android?
...iew
android:id="@+id/keyboardview"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:focusable="true"
...
How do I get the path to the current script with Node.js?
...r looking through the documentation again. What I was looking for were the __filename and __dirname module-level variables.
__filename is the file name of the current module. This is the resolved absolute path of the current module file. (ex:/home/kyle/some/dir/file.js)
__dirname is the directory ...
Shared-memory objects in multiprocessing
...
@max Use a closure. The function given to apply_async should reference the shared object in scope directly instead of through its arguments.
– Francis Avila
Feb 3 '15 at 22:44
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
... very weird effect: Changing the loop variable from unsigned to uint64_t made the performance drop by 50% on my PC.
1...
Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
What's a better way to start a thread, _beginthread , _beginthreadx or CreateThread ?
17 Answers
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Running single test from unittest.TestCase via command line
... @TomSwirly Can't check now but I think you can do it by creatiing (empty) __init__.py inside that direcrory (and subdirs, if any) and calling eg. python test/testMyCase.py test.MyCase.testItIsHot.
– Alois Mahdal
Oct 22 '15 at 19:27
...
List all base classes in a hierarchy of given class?
...gt;
>>> import inspect
>>> inspect.getmro(B)
(<class '__main__.B'>, <class '__main__.A'>, <type 'object'>)
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How to read data From *.CSV file using javascript?
... newlines:
data.txt:
heading1,heading2,heading3,heading4,heading5,value1_1,...,value5_2
javascript:
$(document).ready(function() {
$.ajax({
type: "GET",
url: "data.txt",
dataType: "text",
success: function(data) {processData(data);}
});
});
function pr...