PostgreSql卸载之后,重新安装时跳出如下信息: Anexisting PostgreSql installation has been found atC:\ProgramFiles\PostgreSql\9.3. This installation will be upgraded. 详细如下图所示: 而卸载之后,硬盘里其实已经没有以上路径的文件.估计是注册表里还残留了相关信息,打开注册表,搜索PostgreSql,果然看到如下信息: 将PostgreSql删除后,就可以正常安装了.…

Summary: in this tutorial, we will show you how to install PostgreSQL on your local system for learning and practicing PostgreSQL. PostgreSQL was developed for UNIX-like platforms, however, it was designed to be portable. It means that PostgreSQL can…

卸载JDK1.6,安装JDK1.7,启动tomcat6.0提示 The specified JRE installation does not exist 如何解决? window -->preferences -->Server --> Runtime Environment -->Edit -->JRE 然后选中你要用的jre环境,保存就OK了…

From Disk partition to PostgreSQLinstallation [root@compute mnt]# fdisk /dev/sdb Welcome to fdisk (util-linux 2.23.2). Changes will remain in memory only, until you decide to write them. Be careful before using the write command. Command (m for help)…

重现步骤: 打开 SQL Shell (psql) Server [localhost]: Database [postgres]: Port ]: Username [postgres]: psql () ê?è? "help" à′??è?°??úD??￠. postgres=# 解决办法: 打开环境变量窗口 cmdrundll32 sysdm.cpl,EditEnvironmentVariables 设置环境变量 Path = PostgreSQL\9.6\bin (Add to…

在安装cuda的时候,有时候会提示toolkit installation failed using unsupported compiler.这是因为GCC版本不合适所导致的. 解决的方法很简单,直接在安装命令之后加-override再安装,一般来说就没什么问题了.如: sudo ./cuda_6.0.37_linux_64.run -override…

命令:su - postgres CREATE USER foo WITH PASSWORD 'secret'; ==================== 1.2个配置修改 postgresql.conf:修改 listen_addresses = '*' pg_hba.conf:增加 # IPv4 local connections:host    all             all             127.0.0.1/32            md5host    all  …

xcode编译提示问题:Existing instance variable '_delegate' for property 'delegate' with  assign attribute must be __unsafe_unretained 改动为: __unsafe_unretained id<QuadCurveMenuDelegate> _delegate; 这样就能够编译通过了.…

解决办法:把包名首字母改成小写就好了.…

打开 NetBeans 安装目录下的\etc目录,查找报错信息中的jdk字符串,修改netbeans.conf文件即可…