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ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...值给CComQIPtr的时候，CComQIPtr会自动的调用接口指针的QueryInterface接口，来获得对应的正确的接口指针。CComPtr和CComQIPtr是智能接口指针类，它们在销毁的时候，不需要手动去释放接口指针，在赋值的时候，也不需要手动的AddRef,在...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...值给CComQIPtr的时候，CComQIPtr会自动的调用接口指针的QueryInterface接口，来获得对应的正确的接口指针。CComPtr和CComQIPtr是智能接口指针类，它们在销毁的时候，不需要手动去释放接口指针，在赋值的时候，也不需要手动的AddRef,在...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...值给CComQIPtr的时候，CComQIPtr会自动的调用接口指针的QueryInterface接口，来获得对应的正确的接口指针。CComPtr和CComQIPtr是智能接口指针类，它们在销毁的时候，不需要手动去释放接口指针，在赋值的时候，也不需要手动的AddRef,在...
Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
...se isn't a problem if you put it on the most common side, the right.
setTimeout(test, 1000); //delay for demonstration
function test() {
var mac = /(Mac|iPhone|iPod|iPad)/i.test(navigator.platform);
if (mac) {
document.getElementById('close').classList.add("left");
}
}
#...
Calculating arithmetic mean (one type of average) in Python
Is there a built-in or standard library method in Python to calculate the arithmetic mean (one type of average) of a list of numbers?
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What is the difference between ManualResetEvent and AutoResetEvent in .NET?
I have read the documentation on this and I think I understand. An AutoResetEvent resets when the code passes through event.WaitOne() , but a ManualResetEvent does not.
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How should I print types like off_t and size_t?
I'm trying to print types like off_t and size_t . What is the correct placeholder for printf() that is portable ?
9 ...
How do I disable a jquery-ui draggable?
...ption specified.
$( ".selector" ).draggable({ disabled: true });
Get or set the disabled option, after init.
//getter
var disabled = $( ".selector" ).draggable( "option", "disabled" );
//setter
$( ".selector" ).draggable( "option", "disabled", true );
...
How do I check if a number is positive or negative in C#?
How do I check if a number is positive or negative in C#?
17 Answers
17
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powershell - extract file name and extension
I need to extract file name and extension from e.g. my.file.xlsx. I don't know the name of file or extension and there may be more dots in the name, so I need to search the string from the right and when I find first dot (or last from the left), extract the part on the right side and the part on the...