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How to write a scalable Tcp/Ip based server

...n.ReceiveBuffer.IndexOf('\n', index)) != -1) { string s = connection.ReceiveBuffer.GetString(start, index - start - 1); s = s.Backspace(); LineReceivedEventArgs args = new LineReceivedEventArgs(connection, s); Delegate[] de...
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Are duplicate keys allowed in the definition of binary search trees?

..., that's just an option. It could also disallow odd numbers, or primes, or strings with too many vowels, or any other type of data. The only real requirement is that it's ordered in some way, and preferably self-balancing. – paxdiablo Sep 16 at 1:01 ...
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PHP - iterate on string characters

Is there a nice way to iterate on the characters of a string? I'd like to be able to do foreach , array_map , array_walk , array_filter etc. on the characters of a string. ...
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What does pylint's “Too few public methods” message mean

...lass derived from NamedTuple" pattern. Python 2 - namedtuples created from string descriptions - is ugly, bad and "programming inside string literals" stupid. I agree with the two current answers ("consider using something else, but pylint isn't always right" - the accepted one, and "use pylint sup...
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App Inventor 2 JDY-34双模蓝牙模块配置与通信教程 · App Inventor 2 中文网

...功耗蓝牙) 使用 BluetoothLE 扩展 通过Service/Characteristic读写 适合低功耗场景 AT指令配置 通过串口发送AT指令配置模块(需要在未连接状态发送): 指令 功能 示例 ...
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Concatenate two string literals

...Koenig. He writes that "the new idea is that we can use + to concatenate a string and a string literal - or, for that matter, two strings (but not two string literals). ...
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design a stack such that getMinimum( ) should be O(1)

...isEmpty () { return size == 0; } public static void main (String...args) { StackWithMin stack = new StackWithMin(); for ( String arg: args ) stack.push( Integer.parseInt( arg ) ); while ( ! stack.isEmpty() ) { int min = stack.getMin...
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Which MySQL data type to use for storing boolean values

...ntext is first evaluated as integer (decimal and float values are rounded, strings are converted in the usual quirky way MySQL converts strings to integer). A NULL is obviously NULL (neither TRUE nor FALSE). An integer value of 0 is handled as FALSE, and any other integer value (1, 2, -7, etc) evalu...
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C++ 通过主机名/域名获取IP - C/C++ - 清泛网 - 专注C/C++及内核技术

...中用到Winsock API 函数,都要用到 Ws2_32.lib void GetHostIP(char *szIPAddr) { WSADATA wsaData; char name[155]; //定义用于存放获得主机名的变量 char *ip; //定义IP地址变量 PHOSTENT hostinfo; //调用MAKEWORD()获得Winsocl版本的正确值...
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iOS JavaScript bridge

...cute JS methods from Objective-C This is really just one line of code. NSString *returnvalue = [webView stringByEvaluatingJavaScriptFromString:@"your javascript code string here"]; More details on the official UIWebView Documentation. 2. Execute Objective-C methods from JS This is unfortunatel...