大约有 40,000 项符合查询结果(耗时:0.0306秒) [XML]

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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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'Must Override a Superclass Method' Errors after importing a project into Eclipse

... preferences and set the Java compiler level to 1.6 and also make sure you select JRE 1.6 to execute your program from Eclipse. share | improve this answer | follow ...
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How do I perform an IF…THEN in an SQL SELECT?

How do I perform an IF...THEN in an SQL SELECT statement? 30 Answers 30 ...
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django models selecting single field

... thanks for the answer, what if I want to select only 1 or more fields (not all)? – zentenk Sep 21 '11 at 16:42 ...
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How to get equal width of input and select fields

On the form, I have one select and two input fields. These elements are vertically aligned. Unfortunately, I can't get equal width of these elements. ...
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How do I escape a reserved word in Oracle?

In TSQL I could use something like Select [table] from tablename to select a column named "table". 5 Answers ...
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How to fix .pch file missing on build?

...the bottom of the drop-down menu. At the top left of the Properties Pages, select All Configurations from the drop-down menu. Open the C/C++ tree and select Precompiled Headers Precompiled Header: Select Use (/Yu) Fill in the Precompiled Header File field. Standard is stdafx.h Click Okay If you do n...
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Convert Newtonsoft.Json.Linq.JArray to a list of specific object type

... Just call array.ToObject<List<SelectableEnumItem>>() method. It will return what you need. Documentation: Convert JSON to a Type share | improve t...
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Printing the value of a variable in SQL Developer

...utput). Press the "+" button at the top of the Dbms Output window and then select an open database connection in the dialog that opens. In SQL*Plus: SET SERVEROUTPUT ON share | improve this ans...
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SQL Server dynamic PIVOT query?

... @cols AS NVARCHAR(MAX), @query AS NVARCHAR(MAX); SET @cols = STUFF((SELECT distinct ',' + QUOTENAME(c.category) FROM temp c FOR XML PATH(''), TYPE ).value('.', 'NVARCHAR(MAX)') ,1,1,'') set @query = 'SELECT date, ' + @cols + ' from (...