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Kill a postgresql session/connection

...user to use this function. This works on all operating systems the same. SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE -- don't kill my own connection! pid <> pg_backend_pid() -- don't kill the connections to other databases AND datname = 'database...
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Linq to SQL how to do “where [column] in (list of values)”

...CodeData>() where codeIDs.Contains(codeData.CodeId) select codeData; But you might as well do that in dot notation: var foo = channel.AsQueryable<CodeData>() .Where(codeData => codeIDs.Contains(codeData.CodeId)); ...
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Removing duplicate rows from table in Oracle

... Use the rowid pseudocolumn. DELETE FROM your_table WHERE rowid not in (SELECT MIN(rowid) FROM your_table GROUP BY column1, column2, column3); Where column1, column2, and column3 make up the identifying key for each record. You might list all your columns. ...
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Find method references in Xcode

... Select the method you're interested in, or position the text cursor within it. Open the "Related Files" menu via the icon at the top-left of the Editor. (It's the button immediately to the left of the back button). Go to the ...
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Selecting data frame rows based on partial string match in a column

I want to select rows from a data frame based on partial match of a string in a column, e.g. column 'x' contains the string "hsa". Using sqldf - if it had a like syntax - I would do something like: ...
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Directive isolate scope with ng-repeat scope in AngularJS

...moved: <li ng-repeat="name in names" ng-class="{ active: $index == selected }" ng-click="selected = $index"> {{$index}}: {{name.first}} {{name.last}} </li> Here is a JSFiddle demonstrating that it won't work. You get the exact same results as in your directive. Why doesn'...
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Avoid duplicates in INSERT INTO SELECT query in SQL Server

... Using NOT EXISTS: INSERT INTO TABLE_2 (id, name) SELECT t1.id, t1.name FROM TABLE_1 t1 WHERE NOT EXISTS(SELECT id FROM TABLE_2 t2 WHERE t2.id = t1.id) Using NOT IN: INSERT INTO TABLE_2 (id, name) SELECT t1.id, t1....
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Referring to a Column Alias in a WHERE Clause

... SELECT logcount, logUserID, maxlogtm, DATEDIFF(day, maxlogtm, GETDATE()) AS daysdiff FROM statslogsummary WHERE ( DATEDIFF(day, maxlogtm, GETDATE() > 120) Normally you can't refer to field aliases in the WHERE clau...
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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术

C++实现一款简单完整的聊天室服务器+客户端Linux下select函数实现的聊天服务器消息缓冲区类MessageBuffer,接收线程将受到的消息放入缓冲区,发送线程从缓冲区中取出消息MessageBuffe...目录: Linux下select函数实现的聊天服务器 基...
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What does jquery $ actually return?

... From Rick Strahl's description: The jQuery Object: The Wrapped Set: Selectors return a jQuery object known as the "wrapped set," which is an array-like structure that contains all the selected DOM elements. You can iterate over the wrapped set like an array or access individual elem...