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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:
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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
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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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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 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...