大约有 30,000 项符合查询结果（耗时：0.0390秒） [XML]
When are C++ macros beneficial? [closed]
...on, to overcome issues of differences between compilers:
#ifdef ARE_WE_ON_WIN32
#define close(parm1) _close (parm1)
#define rmdir(parm1) _rmdir (parm1)
#define mkdir(parm1, parm2) _mkdir (parm1)
#define access(parm1, parm2) _access(parm1, parm2)
#define create(parm1, pa...
How can I make the computer beep in C#?
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I just tested in Win 7 x64 RC, and although the internal speaker didn't beep, there was a beep through speakers when I had them plugged in and on. I guess it's just the internal (mobo) speaker that won't beep. Thanks for the info @Lck.
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WiX tricks and tips
...t;
<?define ProductName = "Product Name (64 bit)" ?>
<?define Win64 = "yes" ?>
<?define PlatformProgramFilesFolder = "ProgramFiles64Folder" ?>
<?else ?>
<?define ProductName = "Product Name" ?>
<?define Win64 = "no" ?>
<?define PlatformProgramFilesF...
Visual Studio 64 bit?
... reasons in a place where the sun doesn't shine. This is my first job in a Windows world and i bet it is my last. I miss eclipse + gcc/clang so much already...
– nulleight
Apr 2 '19 at 9:46
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Root user/sudo equivalent in Cygwin?
I'm trying to run a bash script in Cygwin.
17 Answers
17
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How to write a CSS hack for IE 11? [duplicate]
...lt;/body>
</html>
Filters such as this work because of the following:
When a user agent cannot parse the selector (i.e., it is not valid CSS 2.1), it must ignore the selector and the following declaration block (if any) as well.
<!doctype html>
<html>
<head>...
mfc 如何隐藏滚动条 - C++ UI - 清泛IT社区，为创新赋能！
void Cxxx::OnSize(UINT nType, int cx, int cy)
{
...
ShowScrollBar(SB_BOTH, FALSE);
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}
简单粗暴，最实用，亲测有效。
Bad arguments to +：The operation + cannot accept the arguments:, [&qu...
原因是加号+前面是空字符串，不能有效地转换成数字，所以报错。
比如"123"这个字符串可以自动转数字，但是空文本不行。
文本要判断空，然后给数字 0。
同理，空文本不但不能转数字，也不能转列表、字典...
app 息屏后连接会断开，需要深入研究一下 - 用户反馈 - 清泛IT社区，为创新赋能！
如题，tcp，蓝牙，mqtt 等连接都会断开。
有办法避免吗？
重连策略有效解决吗？
Get the size of the screen, current web page and browser window
How can I get windowWidth , windowHeight , pageWidth , pageHeight , screenWidth , screenHeight , pageX , pageY , screenX , screenY which will work in all major browsers?
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