在异地机房部署了一个MySQL灾备库,部署之后复制看起来是正常的,但是观察MySQL错误日志却发现复制线程每隔30秒左右都会断线重连一次。MySQL输出的错误日志:170110 16:07:00 [ERROR] Error reading packet from server: Lost connection to MySQL server during query ( server_errno=2013)170110 16:07:00 [Note]...【阅读全文】
逐行搜索目录中的文件内容并输出到Excel[C/C++]代码HRESULT AnsiToUnicode(LPCSTR pszA, LPOLESTR* ppszW) { ULONG cCharacters; DWORD dwError; // If input is null then just return the same. if (NULL == pszA) { *ppszW = NULL; return NOERROR; } // Determine number of wide characters to be allocated f...【阅读全文】