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When is assembly faster than C?
...d intrinsics or __int128 for efficient code on 64-bit systems.
_umul128 on Windows 32 bits: MSVC doesn't always do a good job when multiplying 32-bit integers cast to 64, so intrinsics helped a lot.
C doesn't have a full-multiplication operator (2N-bit result from N-bit inputs). The usual way ...
Removing duplicate values from a PowerShell array
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Another option is to use Sort-Object (whose alias is sort, but only on Windows) with the -Unique switch, which combines sorting with removal of duplicates:
$a | sort -unique
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How to stop mysqld
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For Windows, you can run this command directly if mysql/bin is in your path.
mysqladmin -u root -p shutdown
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impro...
How to search for file names in Visual Studio?
... @marsh In VS 2017.3 (and possibly earlier) Ctrl-, behaves like a command window somewhat. If you give it the 'f' command and provide a file name, it will search only files: e.g. "f someFile.cpp". There's also a button that prepends the "f" if you prefer clicking.
– Kaganar
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You must enable the openssl extension to download files via https
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important for windows installation!
– haakym
Mar 14 '16 at 20:24
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How to view or edit localStorage
... work for me.
I'm using Chrome 73.0.3683.103 (Official Build) (64-bit) on Windows 10. The extension is still unpacked, if that's relevant, but that's the most likely time you'd want to do this, i.e., in development.
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Camera 扩展:相机拍照和录像,程序控制拍照、自动拍照实现,而无需点击系...
... 顶部 var qrcode = new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 MIT同步更新的中文本...
搜索需求覆盖检查:已有成品、教程入口与下一批选题 · App Inventor 2 中文网
... 顶部 var qrcode = new QRCode("qrcode", { text: window.location.href + "?f=share", //URL地址 width: 150, height: 150, colorDark: '#000000', //二维码颜色 colorLight: "#ffffff" //背景颜色}); App Inventor 2 中文网 © 2...
What is the Python 3 equivalent of “python -m SimpleHTTPServer”
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AFAIK, on Windows, it'll install as just python by default. But, the question is for python3 :)
– Petr Viktorin
Jul 14 '15 at 20:10
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How can I get Eclipse to show .* files?
...I then opened the "Remote Systems" nav tree in the left of the preferences window that came u and went to "Files"
Underneath a list of File types is a checkbox that was unchecked: "Show hidden files"
CHECK IT!
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