layer出现UncaughtReferenceError:layerisnotdefined错误的原因，代码如下：//layui的JavaScript代码区域layui.use('layer',function(){varlayer=layui.layer;var$=layui.$;//获得layui中的jquery...

json_encode([],JSON_UNESCAPED_SLASHES)...

用json_encode来处理中文的时候,中文都会被编码,变成不可读的,类似”u***”的格式，如果想汉字不进行转码，这里提供三种方法办法一：把汉字先urlencode然后再使用json_encode，json_encode之后再次使用urldecode来解码，这样编码出来的json数组中的汉字...

解决方法：回收进程池...

文档解释ORA-48149:errorencounteredwhenattemptingtocopyafileCause:TherewasanerrorencounteredwhenattemptingtocopyafilewiththeADRfileinterface.Action:Checkthedirectory...

文档解释ORA-64110:XMLIndex:problemsencounteredduringthegatheringofstatisticsCause:Seeassociatederrormessage.Action:Correcttheerrorandretrycommand.ORA-64110是Oracle数据...

文档解释ORA-48215:SequenceInvalidOperation[string][string]Cause:Thespecifiedsequenceoperationisnotvalid.Action:Specifyavalidoperation.ORA-48215是Oracle抛出的一条错误，用来表示序列...

文档解释ORA-31158:schema“string”currentlybeingreferencedCause:ThespecifiedschemaURLiscurrentlybeingreferencedbythesamesession.ThiscouldhappenbecauseofPL...

文档解释ORA-48117:errorencounteredwhenattemptingtoremoveadirectory[string]Cause:Therewasanerrorencounteredwhenattemptingtoremoveadirectory.Action:Checkthedirectoryn...

文档解释ORA-40182:invalidcolumnreferenceCause:Transformationexpressionhasnocolumnreferencesormorethanonereferenceorthereferenceisqualified.Action:Provideavalidexpre...

文档解释ORA-30505:systemtriggersshouldnotreferenceacolumninaWHENclauseCause:AnattemptwasmadetouseaWHENclausetoreferenceacolumnwithasystemtrigger,butthistypeoftrigge...

文档解释ORA-48324:IncompatiblestagingfileencounteredCause:sweepincidentfailedbecausestagingfileisincompatibleAction:checktheincidentIDandversionofADRandretry。ORA-48...

文档解释ORA-39239:Nodifferencesfound.Cause:XMLdocumentscomparedwereidentical.Action:Noactionrequired.，造成原因等。ORA-39239错误是由Oracle数据库的DataPump工具抛出的。这个错误提示“没有发现差异（Nodif...

文档解释ORA-41654:insufficientnumberofprimitiveeventsfortheuseof“sequence”Cause:Anattemptwasmadetouse“sequence”attributewhenthereisaninsuffi...

文档解释ORA-18103:XUTY0004–InvalidattributenodeintheinsertionsequenceCause:TheinsertionsequenceofanINSERTexpressioncontainedanattributefollowinganodethatwasno...