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PHPDoc type hinting for array of objects?
... /** @var TYPE $variable_name */ is the correct syntax; do not reverse the order of type and variable name (as suggested earlier in the comments) as that wont work in all cases.
– srcspider
Nov 29 '13 at 8:40
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Order data frame rows according to vector with specific order
Is there an easier way to ensure that a data frame's rows are ordered according to a "target" vector as the one I implemented in the short example below?
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MySQL high CPU usage [closed]
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MySQL: Sort GROUP_CONCAT values
...ion_group-concat:
SELECT student_name,
GROUP_CONCAT(DISTINCT test_score ORDER BY test_score DESC SEPARATOR ' ')
FROM student
GROUP BY student_name;
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Will the base class constructor be automatically called?
...The constructors for each type in the type hierarchy will be called in the order of Most Base -> Most Derived.
So in your particular instance, it calls Person(), and then Customer() in the constructor orders. The reason why you need to sometimes use the base constructor is when the constructors...
Check if an array is empty or exists
... tested all other possibilities, we're talking to an instance of Array. In order to make sure it's not empty, we ask about number of elements it's holding, and making sure it has more than zero elements.
firstArray = [];
firstArray.length > 0; // => false
secondArray = [1,2,3];
secondArray....
What exactly is an Assembly in C# or .NET?
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The answer is in order for immediate-grasping.
Put simply, it is the compiled project involving your classes and additional files, if there are. That is, each project in a
solution is assembly.
Or more techinally,
An assembly is w...
What's the fastest way to delete a large folder in Windows?
... to the recycle bin, but the explorer will still try to count all files in order to get an estimate, which takes ages for large folders (> 100k files)
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Reloading the page gives wrong GET request with AngularJS HTML5 mode
...e server, which had the relevant nginx line as try_files $uri $uri/ /index.php?... instead of the needed index.html. Thanks for the link!
– CJ Thompson
Oct 2 '14 at 21:07
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控件重绘函数/消息OnPaint,OnDraw,OnDrawItem,DrawItem的区别 - C/C++ - 清...
...时对控件的绘制，上面介绍的差不多了，还有一个CView的问题，也就是OnPaint和Ondraw的关系，其实这个很简单，CView::OnPaint()的源码如下：
void CView::OnPaint()
{
CPaintDC dc(this);
OnPrepareDC(&dc);
OnDraw(&dc)
}
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