大约有 47,000 项符合查询结果(耗时:0.0324秒) [XML]

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What are the uses for Cross Join?

...ly, like size and color information for a particular article of clothing: select size, color from sizes CROSS JOIN colors Maybe you want a table that contains a row for every minute in the day, and you want to use it to verify that a procedure has executed each minute, so you might c...
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How to enable local network users to access my WAMP sites?

...y >> Windows Firewall then click on “Advance Setting” and then select “Inbound Rules” from the left panel and then click on “Add Rule…”. Select “PORT” as an option from the list and then in the next screen select “TCP” protocol and enter port number “8081” und...
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How do I hide .class files from the Open Resource dialog in Eclipse?

... Right click on the project and select Properties Expand Resource and click on Resource Filters Click on Add Filter... to create a new filter On the dialog box that opens Select the Exclude all and Files radio buttons Under File and Folder Attributes e...
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Replacing NULL with 0 in a SQL server query

...u want to replace a possibly null column with something else, use IsNull. SELECT ISNULL(myColumn, 0 ) FROM myTable This will put a 0 in myColumn if it is null in the first place. share | improve ...
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Javascript trick for 'paste as plain text` in execCommand

... content = window.clipboardData.getData('Text'); document.selection.createRange().pasteHTML(content); } }); share | improve this answer | follow ...
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IEnumerable vs List - What to Use? How do they work?

...some doubts over how Enumerators work, and LINQ. Consider these two simple selects: 10 Answers ...
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Delete all Duplicate Rows except for One in MySQL? [duplicate]

...te. INSERT INTO tempTableName(cellId,attributeId,entityRowId,value) SELECT DISTINCT cellId,attributeId,entityRowId,value FROM tableName; share | improve this answer | ...
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How to change Xcode Project name

... For Xcode 4 or later: Open a project Select Project Navigator Highlight project name Single click on project name For Xcode 3: Open a project > Menu > Project > Rename ... ...
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Extracting hours from a DateTime (SQL Server 2005)

... SELECT DATEPART(HOUR, GETDATE()); DATEPART documentation share | improve this answer | follow ...
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How to use XPath contains() here?

...this: //ul[@class='featureList' and contains(li, 'Type')] would actually select a node! share | improve this answer | follow | ...