#Versions

ORA-30051: VERSIONS clause not allowed here

文档解释ORA-30051:VERSIONSclausenotallowedhereCause:AVERSIONSclausewasspecifiedwhenitwasnotallowed.Action:DonotusetheVERSIONSclauseORA-30051:VERSIONSclausenotallowe...

ORA-22313: cannot use two versions of the same type “string”

文档解释ORA-22313:cannotusetwoversionsofthesametype“string”Cause:Theversionofthistypeconflictswiththeversionofthistypeusedbyanotherlibrarythatwaslinkedi...

ORA-42803: Cannot use bind variable in VERSIONS clause when the object has a Row-Level Security (RLS) policy defined on it.

文档解释ORA-42803:CannotusebindvariableinVERSIONSclausewhentheobjecthasaRow-LevelSecurity(RLS)policydefinedonit.Cause:TheobjectbeingaccessedhadaRow-LevelSecurity(RL...

ORA-12618: TNS:versions are incompatible

文档解释ORA-12618:TNS:versionsareincompatibleCause:ThetwomachinesarerunningincompatibleversionsofTNS.Action:Checktheversionnumbers,andupgradethemachinewiththesmalle...

Android Studio的Signature Versions选择,分别是什么意思

转自原文AndroidStudio的SignatureVersions选择,分别是什么意思  打包一个文件的签名版本,选V1打包出来的app是jar的(一般这种就是当做第三方导入项目来用的),选v2打包出来的APP是apk版本的(也就是可以直接在手机上安装的,可是上线的);Android7.0引入一...

msgsrvmgr.cpp:5:37: fatal error: kdl_conversions/kdl_msg.h: No such file or directory #include <kdl_conversions/kdl_msg.h>

 /home/xxx/ros_workspace/src/bp_protocol_bridge/protospot/src/msgsrvmgr.cpp:5:37:fatalerror:kdl_conversions/kdl_msg.h:Nosuchfileordirectory#include<kdl_...

install ros-indigo-pcl-conversions

 CMakeWarningat/opt/ros/indigo/share/catkin/cmake/catkinConfig.cmake:76(find_package):Couldnotfindapackageconfigurationfileprovidedby"pcl_conversions"witha...
代码星球 ·2020-08-09

SGU180 Inversions(树状数组求逆序数)

题目:思路:先离散化数据然后树状数组搞一下求逆序数。离散化的方法:https://blog.csdn.net/gokou_ruri/article/details/7723378自己对用树状数组求逆序数的理解:输入数据并利用树状数组求出前边比它小和等于它的数据有几个,用输入数据的总的个数减去比它小的数就是比它大的数re...

Spring关于使用注解@Configuration去配置FormattingConversionServiceFactoryBean来实现自定义格式字符串处理无效的问题(未找到是什么原因造成的)

说明:在SpringMVC和SpringBoot中都能正常使用。首先,我实现了一个自定义的注解,@Trimmed去除字符串String的前后空格。如果是在SpringMVC的XML配置中,可以这样写:<beanclass="org.springframework.format.support.Formatting...

HDOJ 5099 Comparison of Android versions 坑题

现场赛的时候错了十四次。。。。。ProblemDescriptionAsanAndroiddeveloper,itˇsreallynoteasytofigureoutanewerversionoftwokernels,becauseAndroidisupdatedsofrequentlyandhasmanybranch...