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How to use GROUP BY to concatenate strings in SQL Server?

...S (1,'B',8) INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (2,'C',9) SELECT [ID], STUFF(( SELECT ', ' + [Name] + ':' + CAST([Value] AS VARCHAR(MAX)) FROM #YourTable WHERE (ID = Results.ID) FOR XML PATH(''),TYPE).value('(./text())[1]','VARCHAR(MAX)') ,1,2,'') AS NameVa...
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CString的截取字符串,截取ip:port - C/C++ - 清泛网 - 专注C/C++及内核技术

CString的截取字符串,截取ip:portCString截取ip:port,代码如下:CString strIpPort = "127.0.0.1:8888";CString strIp, strPort;int index = strIpPort.Find('...CString截取ip:port,代码如下: CString strIpPort = "127.0.0.1:8888"; CString strIp, strPort; int index = strIpPort.Fi...
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如何诊断CDN故障 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...点? 幸运的是通过阿里测提供的服务,我们能拿到这个IP列表,当然这个IP列表不可能百分百完整,不过应该包含了大部分的节点,有兴趣的可以参考百度的JQuery CDN例子。 需要说明的是阿里测偏重于测试国内的网络环境,如果...
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C#: how to get first char of a string?

... Select the oldest tab to see that it as Matthew – johnc Oct 7 '10 at 5:10 11 ...
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What is IP address '::1'?

... ::1 is the loopback address in IPv6. Think of it as the IPv6 version of 127.0.0.1. See http://en.wikipedia.org/wiki/Localhost share | improve this answe...
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Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...和recvfrom() 對於datagram socket,socket沒有呼叫bind()函式指定IP位址、port和協定等;對於stream socket,連接尚未建立 send()和sendto() 對於datagram socket,socket沒有呼叫bind()函式指定IP位址、port和協定等;對於stream socket,連接尚未建立 ...
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How can I reliably determine the type of a variable that is declared using var at design time?

...o resolve the type. For instance: var items = myList.OfType<Foo>().Select(foo => foo.Bar); The return type is IEnumerable<Bar>, but resolving this required knowing: myList is of type that implements IEnumerable. There is an extension method OfType<T> that applies to IEnume...
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How do I set up DNS for an apex domain (no www) pointing to a Heroku app?

... to point your apex domain you'd use an A record pointing to your server's IP. This solution doesn't scale and isn't viable for a cloud platform like Heroku, where multiple and frequently changing backends are responsible for responding to requests. For subdomains (like www.example.com) you can use...
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How to convert an entire MySQL database characterset and collation to UTF-8?

... You can create the sql to update all tables with: SELECT CONCAT("ALTER TABLE ",TABLE_SCHEMA,".",TABLE_NAME," CHARACTER SET utf8 COLLATE utf8_general_ci; ", "ALTER TABLE ",TABLE_SCHEMA,".",TABLE_NAME," CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci; ") AS a...
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How to grant remote access to MySQL for a whole subnet?

I can easily grant access to one IP using this code: 7 Answers 7 ...