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Python - Count elements in list [duplicate]
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Remove notification after clicking
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Intellij code formatting, Java annotations on new lines
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Getting associated type synonyms with template Haskell
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How To Get IPython Notebook To Run Python 3?
...ironment:” pull down menu.
The default environment is called "root". In order to launch application using another environment, just select the desired environment from the list, to make it active.
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解决：ORA-00054:资源正忙,要求指定NOWAIT - 数据库(内核) - 清泛网 - 专注...
...logon_time from v$locked_object t1,v$session t2 where t1.session_id=t2.sid order by t2.logon_time;
结果：
username sid serial# logon_time
SA 158 15184 2014/12/4 14:55:59
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3：kill 所有占用资源的会话
命令形式：alter system kill session 'sid,serial#';
占用test_1的资...
Android app in Eclipse: Edit text not showing on Graphical layout
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Putting uncommitted changes at Master to a new branch by Git
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What is the difference between lock and Mutex?
...re are several other "minor" differences, like how abandonment is handled, etc.
The same can be said about ReaderWriterLock and ReaderWriterLockSlim in 3.5, Semaphore and the new SemaphoreSlim in .NET 4.0 etc.
It is true that the latter xxSlim classes cannot be used as a system-wide sync primitives...
Undo scaffolding in Rails
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For example this applies generators to migration, scaffold, model...etc
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