Ubuntu18.04+OpenCV3.2.0源码安装时,出现错误:Failed to download v3.1.0/protobuf-cpp-3.1.0.tar.gz ,解决方法:下载附件zip文件,解压后得到protobuf-cpp-3.1.0.tar.gz文件,替换/opencv_contrib-3.2.0/modules/dnn/.download/bd5e3eed635a8d32e2b99658633815ef/v3.1.0目录下的同名文件,重新cmake编译即可。亲测有效。
官方资料:[英文]白皮书:Upgrading to Oracle Database 12c (12.1.0.2)升级到ORACLE12c (12.1.0.2)
Comparing Upgrade and Migration;Database Upgrade;Database Migration.;Multitenant Architecture;Selecting a Database Upgrade or Migration Method;Direct Upgrade to Oracle Da