大约有 40,000 项符合查询结果(耗时:0.0298秒) [XML]

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How to comment out a block of Python code in Vim

...to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position). ...
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SQL query for finding records where count > 1

...ers that have more than one payment per day with the same account number SELECT user_id , COUNT(*) count FROM PAYMENT GROUP BY account, user_id , date Having COUNT(*) > 1 Update If you want to only include those that have a distinct ZIP you can get a distinct set first and then perfor...
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How to determine total number of open/active connections in ms sql server 2005

... This shows the number of connections per each DB: SELECT DB_NAME(dbid) as DBName, COUNT(dbid) as NumberOfConnections, loginame as LoginName FROM sys.sysprocesses WHERE dbid > 0 GROUP BY dbid, loginame And this gives the total: SELECT CO...
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Select all text inside EditText when it gets focus

...ext with some dummy text in it. When the user clicks on it I want it to be selected so that when the user starts typing the dummy text gets deleted. ...
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How to select a node using XPath if sibling node has a specific value?

... Q: How to select a node using XPath if sibling node has a specific value? Because there are only "XPath Axes" for following-siblings and preceding-siblings, you can use one of them if the position is fixed. But better: Look for cc w...
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SQL Server equivalent to Oracle's CREATE OR REPLACE VIEW

...y create or replace views or stored procedures as follows. IF NOT EXISTS (SELECT * FROM sys.views WHERE object_id = OBJECT_ID(N'[dbo].[vw_myView]')) EXEC sp_executesql N'CREATE VIEW [dbo].[vw_myView] AS SELECT ''This is a code stub which will be replaced by an Alter Statement'' as [code_stub]' ...
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How to set selected item of Spinner by value, not by position?

I have a update view, where I need to preselect the value stored in database for a Spinner. 25 Answers ...
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Maven error “Failure to transfer…”

...ed.properties). Then go back into Eclipse, Right-click on the project and select Maven > Update Project. I selected to "Force Update of Snapshots/Releases". Click Ok and the dependencies finally resolved correctly. shar...
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio

...t the solution specifically for the "opencases" column be simpler as just "select count(1)..." (or "count" of any other literal)? The Where clause already specifies "and closed is NULL" so no need for summing a case statement in this instance. Also, I've heard (aeons ago) that "count(*)" is not as e...
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XPath to select Element by attribute value

...he parts in [ ]) shouldn't have slashes immediately before them. Also, to select the Employee element itself, you should leave off the /text() at the end or otherwise you'd just be selecting the whitespace text values immediately under the Employee element. //Employee[@id='4'] Edit: As Jens poin...