01_Real Application Clusters OverviewOracle-Real-Application-Clusters-Overview01_Real Application Clusters OverviewOracle集群介绍。RAC：真正应用集群Oracle集群介绍 RAC：真正应用集群 ASM管理存储，Oracle自己的文件系统 心跳ip有问题，关闭次节点只留主节...

01_Real Application Clusters OverviewOracle-Real-Application-Clusters-Overview01_Real Application Clusters OverviewOracle集群介绍。RAC：真正应用集群Oracle集群介绍 RAC：真正应用集群 ASM管理存储，Oracle自己的文件系统 心跳ip有问题，关闭次节点只留主节...

01_Real Application Clusters OverviewOracle-Real-Application-Clusters-Overview01_Real Application Clusters OverviewOracle集群介绍。RAC：真正应用集群Oracle集群介绍 RAC：真正应用集群 ASM管理存储，Oracle自己的文件系统 心跳ip有问题，关闭次节点只留主节...

01_Real Application Clusters OverviewOracle-Real-Application-Clusters-Overview01_Real Application Clusters OverviewOracle集群介绍。RAC：真正应用集群Oracle集群介绍 RAC：真正应用集群 ASM管理存储，Oracle自己的文件系统 心跳ip有问题，关闭次节点只留主节...

01_Real Application Clusters OverviewOracle-Real-Application-Clusters-Overview01_Real Application Clusters OverviewOracle集群介绍。RAC：真正应用集群Oracle集群介绍 RAC：真正应用集群 ASM管理存储，Oracle自己的文件系统 心跳ip有问题，关闭次节点只留主节...

01_Real Application Clusters OverviewOracle-Real-Application-Clusters-Overview01_Real Application Clusters OverviewOracle集群介绍。RAC：真正应用集群Oracle集群介绍 RAC：真正应用集群 ASM管理存储，Oracle自己的文件系统 心跳ip有问题，关闭次节点只留主节...

01_Real Application Clusters OverviewOracle-Real-Application-Clusters-Overview01_Real Application Clusters OverviewOracle集群介绍。RAC：真正应用集群Oracle集群介绍 RAC：真正应用集群 ASM管理存储，Oracle自己的文件系统 心跳ip有问题，关闭次节点只留主节...

...r of the latter two, since val could potentially be of a type that defines __eq__() to return true when passed None. share | improve this answer | follow | ...

... Well I can see two solutions here: 1) Follow the Docs-Tkinter install for Python (for Windows): Tkinter (and, since Python 3.1, ttk) are included with all standard Python distributions. It is important that you use a version of Python supporting Tk 8.5 or greater, and ttk. We recommend in...

... Use a list comprehension: res_list = [x[0] for x in rows] Below is a demonstration: >>> rows = [(1, 2), (3, 4), (5, 6)] >>> [x[0] for x in rows] [1, 3, 5] >>> Alternately, you could use unpacking instead of x[0]: res_li...