ORA-40271: no statistically significant features were found
文档解释ORA-40271:nostatisticallysignificantfeatureswerefoundCause:Inputdatainadequateinvolumeand/orqualitytoderivestatisticallysignificantpredictorsforbuildingadat...
ORA-40272: apply rules prohibited for this model mode
文档解释ORA-40272:applyrulesprohibitedforthismodelmodeCause:AdaptiveBayesNetworkrulesareonlygeneratedforSingleFeatureABNmodelsAction:RebuildmodelinSingleFeaturemode...
ORA-04027: self-deadlock during automatic validation for object string.string
文档解释ORA-04027:self-deadlockduringautomaticvalidationforobjectstring.stringCause:Anattemptwasmadetovalidateaninvalidatedobjectbutitfailedbecauseofaself-deadlock....
MySQL Error number: MY-014027; Symbol: ER_AUTHENTICATION_OCI_DOWNLOAD_IDDP_PUBLIC_KEY; SQLSTATE: HY000
文档解释Errornumber:MY-014027;Symbol:ER_AUTHENTICATION_OCI_DOWNLOAD_IDDP_PUBLIC_KEY;SQLSTATE:HY000Message:CouldnotdownloadIDDPPublickey.Pleasecheckifsecuritytokenpr...
HDU 4027（线段树）
HDU4027题意：操作指令为0时，对区间[x,y]之间的数字进行开平方；指令为1的时候，对区间[x,y]之间的数字求和并输出；思路：线段树处理就OK了，但是64位内的数最多开8次平方就为1了（开始不信，试了试之后orz.......），所以在开平方的时候加一下限制条件使开平方操作提前结束没必要的操作就可以了，不然会超...
