大约有 47,000 项符合查询结果(耗时:0.0360秒) [XML]

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Selecting text in an element (akin to highlighting with your mouse)

I would like to have users click a link, then it selects the HTML text in another element ( not an input). 16 Answers ...
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How to remove the default arrow icon from a dropdown list (select element)?

I want to remove the dropdown arrow from a HTML <select> element. For example: 12 Answers ...
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How to select/get drop down option in Selenium 2

...converting my selenium 1 code to selenium 2 and can't find any easy way to select a label in a drop down menu or get the selected value of a drop down. Do you know how to do that in Selenium 2? ...
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SQL - Select first 10 rows only?

How do I select only the first 10 results of a query? 12 Answers 12 ...
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Mysql: Select rows from a table that are not in another

How to select all rows in one table that do not appear on another? 8 Answers 8 ...
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how to use ng-option to set default value of select element

I've seen the documentation of the Angular select directive here: http://docs.angularjs.org/api/ng.directive:select . I can't figure how to set the default value. This is confusing: ...
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How to get sp_executesql result into a variable?

... DECLARE @ParmDefinition nvarchar(500); DECLARE @tablename nvarchar(50) SELECT @tablename = N'products' SELECT @sSQL = N'SELECT @retvalOUT = MAX(ID) FROM ' + @tablename; SET @ParmDefinition = N'@retvalOUT int OUTPUT'; EXEC sp_executesql @sSQL, @ParmDefinition, @retvalOUT=@retval OUTPUT; SE...
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Fast way to discover the row count of a table in PostgreSQL

...in your case. Instead of getting the exact count (slow with big tables): SELECT count(*) AS exact_count FROM myschema.mytable; You get a close estimate like this (extremely fast): SELECT reltuples::bigint AS estimate FROM pg_class where relname='mytable'; How close the estimate is depends on ...
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How to generate a range of numbers between two numbers?

... Select non-persisted values with the VALUES keyword. Then use JOINs to generate lots and lots of combinations (can be extended to create hundreds of thousands of rows and beyond). SELECT ones.n + 10*tens.n + 100*hundreds.n +...
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Oracle Differences between NVL and Coalesce

...the first non-NULL (there are some exceptions, such as sequence NEXTVAL): SELECT SUM(val) FROM ( SELECT NVL(1, LENGTH(RAWTOHEX(SYS_GUID()))) AS val FROM dual CONNECT BY level <= 10000 ) This runs for almost 0.5 seconds, since it generates...