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PostgreSQL: Drop PostgreSQL database through command line [closed]
...besides yourself now connected? If so, you might have to edit your pg_hba.conf file to reject connections from other users, or shut down whatever app is accessing the pg database to be able to drop it. I have this problem on occasion in production. Set pg_hba.conf to have a two lines like this:
...
How to uninstall Jenkins?
...to that folder and double-click on Uninstall.command.
Finally delete last configuration bits which might have been forgotten:
sudo rm -rf /var/root/.jenkins ~/.jenkins
If the uninstallation script cannot be found (older Jenkins version), use following commands:
sudo launchctl unload /Library/La...
Sound alarm when code finishes
...):
in a terminal, type 'cd /etc/modprobe.d' then 'gksudo gedit blacklist.conf'
comment the line that says 'blacklist pcspkr', then reboot
check also that the terminal preferences has the 'Terminal Bell' checked.
share
...
Gunicorn worker timeout error
...e problem using Django+nginx+gunicorn. From Gunicorn documentation we have configured the graceful-timeout that made almost no difference.
After some testings, we found the solution, the parameter to configure is: timeout (And not graceful timeout). It works like a clock..
So, Do:
1) open the gun...
ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...nnot find bind-address in the my.cnf file, look for it in /etc/mysql/mysql.conf.d/mysqld.cnf file.
Update in case of MySQL replication enabled
Try to connect MySQL server on IP for which MySQL server is bind in 'my.cnfinstead oflocalhost or 127.0.0.1`.
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Error starting jboss server
...s (see https://jira.jboss.org/jira/browse/JBAS-6981). Basically, the JBoss config is relying on reflection to return constructors in a certain order, and in some cases this order is different, causing the exception. Did you change your JRE version when you reinstalled, say from 1.6.0_17 to _18?
An...
How to check postgres user and password? [closed]
A friend of mine done this config on my mac. But I don't know the username and password he had chosen.
2 Answers
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VS工程“生成事件”之文件拷贝 - C/C++ - 清泛网 - 专注C/C++及内核技术
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如果有多个编译版本需要拷贝多份，这样不便于维护（config等配置文件也是如此，最好不要弄多份副本）。
这时我们“在生成事件”中拷贝文件就能解决这个问题，如“预先生成事件”在编译前执行：
拷单文件至Debug/Re...
Linux 搭建NTP时间同步服务器 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...(设定10.8.9.159为NTP服务器)，NTP服务器主配置文件 /etc/ntp.conf，配置前做好备份。
3、 10.8.9.159 NTP服务器端配置文件 /etc/ntp.conf
标注：
restrict 控制相关权限。
语法为： restrict IP地址 mask 子网掩码 参数
其中IP地址也可以是d...
Linux日志切分工具：Logrotate - 更多技术 - 清泛网 - 专注C/C++及内核技术
...n.daily/logrotate」：
#!/bin/sh
/usr/sbin/logrotate /etc/logrotate.conf
EXITVALUE=$?
if [ $EXITVALUE != 0 ]; then
/usr/bin/logger -t logrotate "ALERT exited abnormally with [$EXITVALUE]"
fi
exit 0
实际运行时，Logrotate会调用配置文件「/etc/logrotate.conf」：
# see...