大约有 47,000 项符合查询结果(耗时:0.0274秒) [XML]

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jQuery - select all text from a textarea

...can I make it so when you click inside a textarea, its entire content gets selected? 6 Answers ...
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Javascript/jQuery: Set Values (Selection) in a multiple Select

I have a multiple select: 8 Answers 8 ...
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Rails: select unique values from a column

... Model.select(:rating) Result of this is a collection of Model objects. Not plain ratings. And from uniq's point of view, they are completely different. You can use this: Model.select(:rating).map(&:rating).uniq or this (mo...
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SELECT DISTINCT on one column

...ou're on SQL Server 2005 or greater, you can use a CTE with ROW_NUMBER(): SELECT * FROM (SELECT ID, SKU, Product, ROW_NUMBER() OVER (PARTITION BY PRODUCT ORDER BY ID) AS RowNumber FROM MyTable WHERE SKU LIKE 'FOO%') AS a WHERE a.RowNumber = 1 ...
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MySQL select one column DISTINCT, with corresponding other columns

I want to select DISTINCT results from the FirstName column, but I need the corresponding ID and LastName . 12 Answe...
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How to use Checkbox inside Select Option

The client has given me a design which has a Select Option menu containing a checkbox together with the item name as individual items in the list. Is there anyway possible to add a checkbox inside a Select Option menu? ...
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Converting Select results into Insert script - SQL Server [closed]

...asier than installing plugins or external tools in some situations: Do a select [whatever you need]INTO temp.table_namefrom [... etc ...]. Right-click on the database in the Object Explorer => Tasks => Generate Scripts Select temp.table_name in the "Choose Objects" screen, click Next. In the...
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COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]

...for all your queries that need to count everything, even for joins, use * SELECT boss.boss_id, COUNT(subordinate.*) FROM boss LEFT JOIN subordinate on subordinate.boss_id = boss.boss_id GROUP BY boss.id But don't use COUNT(*) for LEFT joins, as that will return 1 even if the subordinate table doe...
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Insert Data Into Temp Table with Query

... SELECT * INTO #Temp FROM (SELECT Received, Total, Answer, (CASE WHEN application LIKE '%STUFF%' THEN 'MORESTUFF' END) AS application FROM FirstTable WHERE Recieved = 1 AND applicati...
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Remove border radius from Select tag in bootstrap 3

...s gone, you have to add back in the arrow that visually differentiates the select from the input. Note: appearance is not supported in IE. Working example: https://jsfiddle.net/gs2q1c7p/ select:not([multiple]) { -webkit-appearance: none; -moz-appearance: none; background-positio...