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How to generate and validate a software license key?
...e computer's hardware id as the signed data. This is usually done over the internet, but only ONCE: the product sends the license key and the computer hardware id to an activation server, and the activation server sends back the signed message (which can also be made short and easy to dictate over t...
Test if executable exists in Python?
...nts.
Edit: path.strip('"') seems like the wrong thing to do here. Neither Windows nor POSIX appear to encourage quoted PATH items.
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How to wait for a keypress in R?
...oke on the keyboard.
Compatibility: Tested under environments use either win.graph or X11. Works with Windows 7 x64 with Revolution R v6.1. Does not work under RStudio (as it doesn't use win.graph).
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What is “missing” in the Visual Studio 2008 Express Editions?
... features compared to Visual Studio Professional:
No add-ins/macros
Some Win32 tools missing
No Team Explorer support
Limited refactoring support
Debugging is much more limited (particularly problematic for server development is no remote debugging)
Lack of support for setup projects
No report cre...
Is there an alternative sleep function in C to milliseconds?
I have some source code that was compiled on Windows. I am converting it to run on Red Hat Linux.
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Create a shortcut on Desktop
... file, on the desktop, using .NET Framework 3.5 and relying on an official Windows API. How can I do that?
14 Answers
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Generate a Hash from string in Javascript
...but a LOT faster. It's nice because it's so fast, and 31 is a small prime. Win win there.
– corsiKa
Sep 30 '11 at 21:59
43
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Sticky and NON-Sticky sessions
...ween sticky- and non-sticky sessions. What I understood after reading from internet:
2 Answers
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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
We have an application running locally where we're experiencing the following error:
25 Answers
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外卖平台烧钱白热化 月烧2亿堪比打车软件 - 资讯 - 清泛网 - 专注C/C++及内核技术
...，回到实际话题来看，外卖平台们都在赚钱吗，实际情况如何呢？
有调查称外卖平台现在每单亏损7、8元已成为常态。有消息称，近日又有外卖平台宣称已获得6.3亿美元的新一轮融(shao)资(qian)。尽管消息后来被质疑只获得4亿美...