ORA-16307: TSE key string successfully applied
文档解释ORA-16307:TSEkeystringsuccessfullyappliedCause:AnALTERSYSTEMSETENCRYPTIONKEYstatementwassuccessfullycommittedonthelogicalstandbydatabase.Action:Noactionnece...
ORA-41103: Only the designated Cluster Director: string can undesignate itself.
文档解释ORA-41103:OnlythedesignatedClusterDirector:stringcanundesignateitself.Cause:AnattemptwasmadetoundesignatethecurrentClusterDirectorbyadatabasethatisnottheClu...
ORA-14637: cannot merge a subpartition with itself
文档解释ORA-14637:cannotmergeasubpartitionwithitselfCause:ThesamesubpartitionnamewasspecifiedtwiceforthemergeoperationAction:Re-submitoperationwith2distinctsubparti...
ORA-07642: smprtset: $CMKRNL failure
文档解释ORA-07642:smprtset:$CMKRNLfailureCause:Whileattemptingtosettheprotectionofaregionofmemory,anerrorwasreturnedfromthe$CMKRNLsystemservice.Action:Examinethesys...
ORA-09834: snyGetPortSet: failed to collect info on a port.
文档解释ORA-09834:snyGetPortSet:failedtocollectinfoonaport.Cause:Theport_statussystemcalledfailed.Action:Possibleoperatingsystemerror.ContactOraclesupport.ORA-09834...
ORA-13022: polygon crosses itself
文档解释ORA-13022:polygoncrossesitselfCause:Thecoordinatesdefiningapolygonalgeometricelementrepresentcrossingsegments.Action:Redefinecoordinatesforthepolygon.？ORA-1...
C# 中处理 JSON－使用 JavaScriptSerializer 更简单
C#中处理JSON－使用DataContractJsonSerializerC#中处理JSON－属性应public、无参数构造函数应该有C#中处理JSON－字符串属性值转义C#中处理JSON－使用JavaScriptSerializer更简单C#中处理JSON－生成的JSON属性顺序是怎样的？JavaScriptSer...
linux命令：statserial(status ofserial port)
statserial(status ofserial port)功能说明：显示串口状态。语 法：statserial [-dnx][串口设备名称]补充说明：statserial可显示各个接脚的状态，常用来判断串口是否正常。参 数： -d &n...
linux命令：setserial
setserial功能说明：设置或显示串口的相关信息。语 法：setserial [-abgGqvVz][设备][串口参数]补充说明：setserial可用来设置串口或显示目前的设置。参 数： -a 显示详细信息。 ...
文件上传下载、socketserver（并发）、解读socketserver源码
一、文件上传/下载1、文件上传/下载 学习了socket套接字，我们现在可以写一个文件上传/下载的程序，如下示例：importsocketimportjsonserver=socket.socket()server.bind(('127.0.0.1',8899))server.listen(5)while1:prin...