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How to pull a random record using Django's ORM?
...r than the accepted answer, note that this approach makes two SQL queries. If the count changes in between, it might be possible to get an out of bounds error.
– Nelo Mitranim
Sep 12 '15 at 9:37
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Why remove unused using directives in C#?
I'm wondering if there are any reasons (apart from tidying up source code) why developers use the "Remove Unused Usings " feature in Visual Studio 2008?
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How to make layout with View fill the remaining space?
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In case if < TEXT VIEW > is placed in LinearLayout, set the Layout_weight proprty of < and > to 0 and 1 for TextView.In case of RelativeLayout align < and > to left and right and set "Layout to left of" and "Layout ...
jQuery .on('change', function() {} not triggering for dynamically created inputs
...);
In that case, it will work as you expected. Also, it is better to specify some element instead of document.
Read this article for better understanding: http://elijahmanor.com/differences-between-jquery-bind-vs-live-vs-delegate-vs-on/
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How do I get the opposite (negation) of a Boolean in Python?
...> value = False
>>> not value
True
So instead of your code:
if bool == True:
return False
else:
return True
You could use:
return not bool
The logical negation as function
There are also two functions in the operator module operator.not_ and it's alias operator.__not__ i...
What is difference between monolithic and micro kernel?
Could anyone please explain with examples difference between monolithic and micro kernel? Also other classifications of the kernel?
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使用CSplitterWnd实现拆分窗口(多视图显示) - C/C++ - 清泛网 - 专注C/C++及内核技术
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{
// TODO: Add your specialized code here and/or call the base class
if(!m_wndSplitter.CreateStatic(this,1,2))
{
return FALSE;
}
CRect rect;
GetClientRect(&rect);
if(!m_wndSplitter.CreateView(0,0,RUNTIME_CLASS(CTest),CSize(rect.Width()/4,rect.Height()),pContext)||
!m_wndSplit...
Changing password with Oracle SQL Developer
...pdating the password using SQL Developer is:
alter user user_name identified by new_password replace
old_password ;
You can check more options for this command here: ALTER USER-Oracle DOCS
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grep a tab in UNIX
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If using GNU grep, you can use the Perl-style regexp:
grep -P '\t' *
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Template function inside template class
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