https://blog.youkuaiyun.com/n4ryzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/n4ry/article/details/2042710https://blog.youkuaiyun.com/n4ry/article/details/2042710n4ryMon, 14 Jan 2008 07:24:00 +0800 ]]>https://blog.youkuaiyun.com/n4ry/article/details/1733654https://blog.youkuaiyun.com/n4ry/article/details/1733654n4ryThu, 09 Aug 2007 14:20:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/1353950https://blog.youkuaiyun.com/n4ry/article/details/1353950n4rySat, 28 Oct 2006 01:19:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/1353946https://blog.youkuaiyun.com/n4ry/article/details/1353946n4rySat, 28 Oct 2006 01:04:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/1353943https://blog.youkuaiyun.com/n4ry/article/details/1353943n4rySat, 28 Oct 2006 01:00:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/1318440https://blog.youkuaiyun.com/n4ry/article/details/1318440n4ryTue, 03 Oct 2006 04:19:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/1143914https://blog.youkuaiyun.com/n4ry/article/details/1143914n4ryWed, 30 Aug 2006 13:34:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/1143911https://blog.youkuaiyun.com/n4ry/article/details/1143911n4ryWed, 30 Aug 2006 13:32:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/1086511https://blog.youkuaiyun.com/n4ry/article/details/1086511n4ryThu, 17 Aug 2006 14:00:00 +0800use mysql >update user set password=password("new_pass") where user="root]]>https://blog.youkuaiyun.com/n4ry/article/details/1060385https://blog.youkuaiyun.com/n4ry/article/details/1060385n4ryMon, 14 Aug 2006 01:55:00 +0800图1可以看到里面有很多的命令，下面我将最重要的几个做简单解释：“？”：得到帮助。“cd”:更换当前的工作目录。“exit”:退出。“help”:得到帮助。“info”:显示当前程序的信息。“quit”]]>https://blog.youkuaiyun.com/n4ry/article/details/941375https://blog.youkuaiyun.com/n4ry/article/details/941375n4ryWed, 19 Jul 2006 11:43:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/786158https://blog.youkuaiyun.com/n4ry/article/details/786158n4rySat, 10 Jun 2006 13:48:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/786157https://blog.youkuaiyun.com/n4ry/article/details/786157n4rySat, 10 Jun 2006 13:47:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/746351https://blog.youkuaiyun.com/n4ry/article/details/746351n4rySat, 20 May 2006 09:25:00 +0800图1. RS-485系统示意图由于实际应用系统中，往往分散控制单元数量较多，分布]]>https://blog.youkuaiyun.com/n4ry/article/details/707200https://blog.youkuaiyun.com/n4ry/article/details/707200n4ryWed, 03 May 2006 19:04:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/697014https://blog.youkuaiyun.com/n4ry/article/details/697014n4rySat, 29 Apr 2006 14:42:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/697011https://blog.youkuaiyun.com/n4ry/article/details/697011n4rySat, 29 Apr 2006 14:40:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/697007https://blog.youkuaiyun.com/n4ry/article/details/697007n4rySat, 29 Apr 2006 14:38:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/696994https://blog.youkuaiyun.com/n4ry/article/details/696994n4rySat, 29 Apr 2006 14:27:00 +0800https://blog.youkuaiyun.com/n4ry/article/details/696820https://blog.youkuaiyun.com/n4ry/article/details/696820n4rySat, 29 Apr 2006 12:59:00 +0800