com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment of connection, message from server: Too many connections
最简单的办法是因为你的my.ini中设定的并发连接数太少或者系统繁忙导致连接数被占满解决方式：打开MySQL安装目录打开MY.INI找到max_connections默认是100.--实例WINDOWS解决mysql Errno.:1040错误XXXXinfo:CannotconnecttoMySQLserv...
torch.device()
torch.device代表将torch.Tensor分配到的设备的对象，有cpu和cuda两种，这里的cuda就是gpu，至于为什么不直接用gpu与cpu对应，是因为gpu的编程接口采用的是cudaprint(torch.cuda.is_available())#cuda是否可用；print(torch.cuda.d...
ORA-48149: error encountered when attempting to copy a file
文档解释ORA-48149:errorencounteredwhenattemptingtocopyafileCause:TherewasanerrorencounteredwhenattemptingtocopyafilewiththeADRfileinterface.Action:Checkthedirectory...
ORA-27503: IPC error attempting to cancel request
文档解释ORA-27503:IPCerrorattemptingtocancelrequestCause:Thisisanoperatingsystem/clusterinterconnecterror.Action:CheckthevalueoferrnoandcontactOracleSupportServices...
ORA-47402: incorrect evaluation options value for Factor string
文档解释ORA-47402:incorrectevaluationoptionsvalueforFactorstringCause:ThefactorevaluationsoptionsvalueisincorrectAction:Pleasereviewthefactordefinitionandcorrectita...
ORA-38734: Flashback log is inconsistent; belongs to another database.
文档解释ORA-38734:Flashbacklogisinconsistent;belongstoanotherdatabase.Cause:ThedatabaseIDintheflashbackdatabaselogfiledidnotmatchthedatabaseIDinthecontrolfile.Actio...
ORA-39907: Index string.string in tablespace string points to table string.string in tablespace string.
文档解释ORA-39907:Indexstring.stringintablespacestringpointstotablestring.stringintablespacestring.Cause:Informationalmessagetodescribeafailureduringtransportableco...