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How to write a scalable Tcp/Ip based server

...em.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()); System.Net.IPEndPoint serverEndPoint; try { serverEndPoint = new System.Net.IPEndPoint(localhost.AddressList[0], _port); } catch (System.ArgumentOutOfRangeException e) { throw new ArgumentOutOfRangeException("Port number ent...
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private[this] vs private

...rything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in some specific cases where I need to explicitly restrict changing field value even for objects of the same class? In ot...
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Handling InterruptedException in Java

What is the difference between the following ways of handling InterruptedException ? What is the best way to do it? 7 Answ...
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Why is f(i = -1, i = -1) undefined behavior?

...s nothing to say that the instructions performing the assignment cannot be interleaved. It might be optimal to do so, depending on CPU architecture. The referenced page states this: If A is not sequenced before B and B is not sequenced before A, then two possibilities exist: evaluatio...
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort

...l-numeric’ Sort numerically, using the standard C function strtod to convert a prefix of each line to a double-precision floating point number. This allows floating point numbers to be specified in scientific notation, like 1.0e-34 and 10e100. The LC_NUMERIC locale determines the d...
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Can I return the 'id' field after a LINQ insert?

When I enter an object into the DB with Linq-to-SQL can I get the id that I just inserted without making another db call? I am assuming this is pretty easy, I just don't know how. ...
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C#/Linq: Apply a mapping function to each element in an IEnumerable?

I've been looking for a way to transform each element of an IEnumerable into something else using a mapping function (in a Linq-compatible way) but I haven't found anything. ...
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Is the != check thread safe?

...e following execution scenario: The program is loaded and the JVM starts interpreting the bytecodes. Since (as we have seen from the javap output) the bytecode does two loads, you (apparently) see the results of the race condition, occasionally. After a time, the code is compiled by the JIT compi...
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How to pattern match using regular expression in Scala?

... Since version 2.10, one can use Scala's string interpolation feature: implicit class RegexOps(sc: StringContext) { def r = new util.matching.Regex(sc.parts.mkString, sc.parts.tail.map(_ => "x"): _*) } scala> "123" match { case r"\d+" => true case _ => fals...
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MFC 的SetWindowPos 用法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...d, // handle of window HWND hWndInsertAfter, // placement-order handle int X, // horizontal position int Y, // vertical position int cx, // width int cy, // height UINT uFlags // window-positioning flags ); 参数解释: hWnd Identifies the window. 窗口句柄 hWndInsertAft...