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01_Real Application Clusters Overview - 文档下载 - 清泛网 - 专注C++内核技术

...racle集群介绍 RAC:真正应用集群 ASM管理存储,Oracle自己文件系统 心跳ip有问题,关闭次节点只留主节点,防止数据混乱 virtual ip 可漂移,private ip 心跳ip,scan ip DNS解析 ntp服务禁用(时间同步服务,Oracle自己有同步) grid ...
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01_Real Application Clusters Overview - 文档下载 - 清泛网 - 专注C/C++及内核技术

...racle集群介绍 RAC:真正应用集群 ASM管理存储,Oracle自己文件系统 心跳ip有问题,关闭次节点只留主节点,防止数据混乱 virtual ip 可漂移,private ip 心跳ip,scan ip DNS解析 ntp服务禁用(时间同步服务,Oracle自己有同步) grid ...
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01_Real Application Clusters Overview - 文档下载 - 清泛网移动版 - 专注C/C++及内核技术

...racle集群介绍 RAC:真正应用集群 ASM管理存储,Oracle自己文件系统 心跳ip有问题,关闭次节点只留主节点,防止数据混乱 virtual ip 可漂移,private ip 心跳ip,scan ip DNS解析 ntp服务禁用(时间同步服务,Oracle自己有同步) grid ...
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01_Real Application Clusters Overview - 文档下载 - 清泛网 - 专注C/C++及内核技术

...racle集群介绍 RAC:真正应用集群 ASM管理存储,Oracle自己文件系统 心跳ip有问题,关闭次节点只留主节点,防止数据混乱 virtual ip 可漂移,private ip 心跳ip,scan ip DNS解析 ntp服务禁用(时间同步服务,Oracle自己有同步) grid ...
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微博为什么限制140字(附短信70字限制考) - 闲聊区 - 清泛IT社区,为创新赋能!

...sage. We reserve 20 characters for people’s names, and the other 140 are all yours! (via Twitter FAQ)也就是说,twitter希望微博首先能做到“微”,言简意赅,其次这样限制是考虑到短信更新状态字数限制,本身是160字母限制,再留20字给id长度...
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微博为什么限制140字(附短信70字限制考) - 创意 - 清泛网 - 专注C/C++及内核技术

.... We reserve 20 characters for people’s names, and the other 140 are all yours! (via Twitter FAQ) 也就是说,twitter希望微博首先能做到“微”,言简意赅,其次这样限制是考虑到短信更新状态字数限制,本身是160字母限制,再留20字给id...
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Putty: Getting Server refused our key Error

... @user1046647 LogLevel is defined in /etc/ssh/sshd_config. The default log is /var/log/auth.log unless defined otherwise in sshd_config. – Axel Kemper Feb 8 '15 at 15:10 ...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

... does not explain that tuples, lists, dicts, strs, unicodes, ints, floats, etc. have a nonzero. It is much more common to rely on the truth value of built-in type than to rely on a custom nonzero method. – ddaa Sep 19 '08 at 11:32 ...
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Android中Java和JavaScript交互 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...tml"); } private void testMethod(WebView webView) { String call = "javascript:sayHello()"; call = "javascript:alertMessage(\"" + "content" + "\")"; call = "javascript:toastMessage(\"" + "content" + "\")"; call = "javascript:sumToJava(1,2)"; we...
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Finding current executable's path without /proc/self/exe

... SunOS, Solaris, SYSV, HPUX, Concentrix, SCO, Darwin, AIX, OS X, Nextstep, etc. And with a little modification probably VMS, VM/CMS, DOS/Windows, ReactOS, OS/2, etc. If a program was launched directly from a GUI environment, it should have set argv[0] to an absolute path. Understand that almos...