golang实现微信聊天机器人
golang实现2048游戏
1
golang多协程进度条
在终端输出二维码
2
golang实现类似try...catch...的异常处理机制
2
mgo连接备节点做查询
这个用法其实也考虑应用场景 比如数据库事务 每步判断error然后rollback，用这个catch就很方便。
直接在主节点用mongo 10.128.0.23:27017是可以的呀，另外，貌似本机上用内网ip也是连不上的，只能用外网ip。这个是不是设置有问题导致的？
yiqice:PRIMARY> ^C
bye
root@198-72:/opt/mongodb/bin# ./mongo 10.128.0.23:27017
MongoDB shell version: 3.0.1
connecting to: 10.128.0.23:27017/test
Server has startup warnings:
2015-04-14T14:34:38.379+0800 I CONTROL [initandlisten] ** WARNING: You are running this process as the root user, which is not recommended.
2015-04-14T14:34:38.379+0800 I CONTROL [initandlisten]
2015-04-14T14:34:38.423+0800 I CONTROL [initandlisten]
2015-04-14T14:34:38.423+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.
2015-04-14T14:34:38.423+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'
2015-04-14T14:34:38.423+0800 I CONTROL [initandlisten]
2015-04-14T14:34:38.423+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
2015-04-14T14:34:38.423+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'
2015-04-14T14:34:38.423+0800 I CONTROL [initandlisten]
yiqice:SECONDARY>