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#DR
loadrunner 场景设计-集合点设置
1 作用通过让多用户在同一时间点上进行并发操作来测试系统的并发处理的能力2 实现通过集合点函数来实现。注意:集合点经常和事务结合起来使用。集合点只能插入到Action部分,vuser_init和vuser_end中不能插入集合点。所以,如果要模拟并发登录,那么必须把登录操作放到Action中3&nb...
开发笔记
·
2024-08-10
loadrunner
场景
设计
集合点
设置
com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql:/解决方法详解
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:Couldnotcreateconnectiontodatabaseserver.具体错误信息如下:2021-01-0420:20:09.071ERROR12300---[eate-...
开发笔记
·
2024-07-11
com.alibaba.druid.pool.DruidDataSource
create
connection
SQLException
url
android是如何识别JEPG文件的
判断前面3个字节是什么,如果是FFD8FF开始,就认为它是JEPG图片。注意android不是根据后缀名来判断是什么文件的//SkImageDecoder_libjpeg.cpp(externalskiasrcimages)staticboolis_jpeg(SkStream*stream){//需要匹配的字节stat...
开发笔记
·
2024-07-01
android
如何
识别
JEPG
文件
几个好用的Android Studio插件
类似于Sublime或Xcode,此插件在您的编辑器中嵌入了一个代码迷你地图。滚动条也会变得稍大一些。CodeGlance预览了文件的代码模式,让您快速导航到所需的部分。对于程序员来说,嵌套的括号和圆括号可能是一个麻烦,特别是当某些括号丢失时。它们在代码审查中可能会让人真正头疼。此插件为圆括号、方括号和花括号添加了可爱...
开发笔记
·
2024-05-03
几个
用的
Android
Studio
插件
ORA-48161: invalid input for ADR instance id
文档解释ORA-48161:invalidinputforADRinstanceidCause:AninvalidinputwaspassedinfortheADRinstanceid.TheADRinstanceidiseitherNULLortoolongofastring.Action:ChecktheADRin...
IT技术学习
·
2023-07-28
ORA-48161
invalid
input
for
ADR
ORA-44739: Cannot drop the last group.
文档解释ORA-44739:Cannotdropthelastgroup.Cause:Anattemptwasmadetodropthelastgroupintheindex.Action:UsetheDROPINDEXstatementinstead.ORA-44739是Oracle数据库中的一个错误代码。它表明,用...
IT技术学习
·
2023-07-28
ORA-44739
Cannot
drop
the
last
ORA-38810: Implementation restriction: cannot drop edition that has a parent and a child
文档解释ORA-38810:Implementationrestriction:cannotdropeditionthathasaparentandachildCause:Thiserroroccurredbecauseanattemptwasmadetodropaneditionthathasaparentandac...
IT技术学习
·
2023-07-28
ORA-38810
Implementation
restriction
cannot
drop
ORA-56609: Usage not supported with DRCP
文档解释ORA-56609:UsagenotsupportedwithDRCPCause:ThisusagewasnotsupportedonaDRCPconnection.Action:Useadedicatedconnectiontoperformthistask.ORA-56609错误是指应用程序不能使用数据库连...
IT技术学习
·
2023-07-28
ORA-56609
Usage
not
supported
with
ORA-48121: error with opening the ADR stream file [string] [string]
文档解释ORA-48121:errorwithopeningtheADRstreamfile[string][string]Cause:AnerrorwasencounteredwhenattemptingtoopenanADRstreamfile.Action:Checktherestoftheerrorstackf...
IT技术学习
·
2023-07-28
string
ORA-48121
error
with
opening
ORA-48494: ADR home is not set, the corresponding operation cannot be done
文档解释ORA-48494:ADRhomeisnotset,thecorrespondingoperationcannotbedoneCause:TheadrhomeisnotsetinthecurrentadrcisessionAction:Settheadrhomeusingtheadrcicommand̶...
IT技术学习
·
2023-07-28
ORA-48494
ADR
home
is
not
ORA-30746: error occured while trying to drop column “string” in table “string”
文档解释ORA-30746:erroroccuredwhiletryingtodropcolumn“string”intable“string”Cause:TheusertriedtodropasubtypewithVALIDATEoptionwhichtriedtoch...
IT技术学习
·
2023-07-28
#8220string
#8221
ORA-30746
error
occured
ORA-29964: missing ADD or DROP keyword
文档解释ORA-29964:missingADDorDROPkeywordCause:OneofthekeywordsADDorDROPisexpected.Action:SpecifytheADDorDROPkeywordorchecktheSQLstatement.ORA-29964:missingADDorDRO...
IT技术学习
·
2023-07-28
ORA-29964
missing
ADD
or
DROP
ORA-56512: DRCP: Failed to synchronize RAC instances [string]
文档解释ORA-56512:DRCP:FailedtosynchronizeRACinstances[string]Cause:SomeoftheRACinstanceswerenotsynchronized.Action:Performthesameoperationsonallthefailedinstances....
IT技术学习
·
2023-07-28
ORA-56512
DRCP
Failed
to
synchronize
ORA-42297: cannot drop a schema synonym for a schema of a user who is currently connected
文档解释ORA-42297:cannotdropaschemasynonymforaschemaofauserwhoiscurrentlyconnectedCause:Anattemptwasmadetodropaschemasynonymforaschemaofauserwhowasloggedon.Action:M...
IT技术学习
·
2023-07-28
schema
ORA-42297
cannot
drop
synonym
ORA-29856: error occurred in the execution of ODCIINDEXDROP routine
文档解释ORA-29856:erroroccurredintheexecutionofODCIINDEXDROProutineCause:FailedtosuccessfullyexecutetheODCIIndexDroproutine.Action:Checktoseeiftheroutinehasbeencode...
IT技术学习
·
2023-07-28
ORA-29856
error
occurred
in
the
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