一,直接上代码,先转double,再强转int,看你是选择,舍入,还是直接取整数位 var a1 = "1500.76"; var a2 = Convert.ToDouble(a1); ); //var b = Convert.ToInt32(a1); //报错 var b3 = Convert.ToInt32(Convert.ToDouble(a1)); var b4 = (int)Convert.ToDouble(a1); 二,结果如下图…
redis使用连接池报错解决redis使用十几小时就一直报异常 redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool at redis.clients.util.Pool.getResource(Pool.java:22) at com.derbysoft.jredis.longkeytest.BorrowObject.run(BorrowObject.jav…
linux下启动dbca或netmgr类的图形界面报错解决 Xlib: connection to ":0.0" refused by server Xlib: No protocol specified …… 解决办法: www.2cto.com exit 退到root用户下执行下面代码 Java代码 xhost local:oracle non-network local connections being added to access control l…