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Is there an easy way to check the .NET Framework version?
...ryKey installed_versions = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\NET Framework Setup\NDP");
string[] version_names = installed_versions.GetSubKeyNames();
//version names start with 'v', eg, 'v3.5' which needs to be trimmed off before conversion
double Framework = Convert.ToDouble(ver...
Check if at least two out of three booleans are true
...(b || c) || (b && c);
}
It tests a and b exactly once, and c at most once.
References
JLS 15.25 Conditional Operator ? :
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What is a “thread” (really)?
...tware unit affected by control flow (function call, loop, goto), because those instructions operate on the Instruction Pointer, and that belongs to a particular thread. Threads are often scheduled according to some prioritization scheme (although it's possible to design a system with one thread per...
OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
..._OUTOFMEMORY
控件因为没有足够的可用内存而不能完成一项操作
ON_NOTIFY: 在MFC应用程序里处理 WM_NOTIFY 消息
函数CWnd::OnNotify处理通告消息。其默认实现是检查通告消息处理函数的消息映射，然后调用。(checks the message map for not...
拉里佩奇23条箴言帮你度过创业低谷 - 资讯 - 清泛网 - 专注C/C++及内核技术
...译者注：李彦宏时任《华尔街日报》网络版实时金融信息系统设计师)，辞去了报社的工作，回到中国创建了百度。
之后拉里·佩奇改进了这项专利，并发明了自己的专利，创造了谷歌。
后来，鲁伯特·默多克买下了《华尔街日...
What's the best way to put a c-struct in an NSArray?
...ion of "Number and Value Programming Topics": developer.apple.com/library/ios/documentation/Cocoa/Conceptual/…
– Justin Spahr-Summers
Dec 23 '10 at 22:40
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How to gracefully handle the SIGKILL signal in Java
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It is impossible for any program, in any language, to handle a SIGKILL. This is so it is always possible to terminate a program, even if the program is buggy or malicious. But SIGKILL is not the only means for terminating a program. ...
How and why do I set up a C# build machine? [closed]
...orking with a small (4 person) development team on a C# project. I've proposed setting up a build machine which will do nightly builds and tests of the project, because I understand that this is a Good Thing. Trouble is, we don't have a whole lot of budget here, so I have to justify the expense to...
Sleep until a specific time/date
...ch - $current_epoch ))
sleep $sleep_seconds
To add precision down to nanoseconds (effectively more around milliseconds) use e.g. this syntax:
current_epoch=$(date +%s.%N)
target_epoch=$(date -d "20:25:00.12345" +%s.%N)
sleep_seconds=$(echo "$target_epoch - $current_epoch"|bc)
sleep $sleep_seco...
How many threads is too many?
... into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads.
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