大约有 40,000 项符合查询结果(耗时:0.0283秒) [XML]

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Select2 doesn't work when embedded in a bootstrap modal

When I use a select2 (input) in bootstrap modal, I can't type anything into it. It's like disabled? Outside the modal select2 works fine. ...
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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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MySQL: determine which database is selected?

After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected"). ...
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Get index of selected option with jQuery

I'm a little bit confused about how to get an index of a selected option from a HTML <select> item. 7 Answers ...
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What is the simplest SQL Query to find the second largest value?

... SELECT MAX( col ) FROM table WHERE col < ( SELECT MAX( col ) FROM table ) share | improve this answ...
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How to use DISTINCT and ORDER BY in same SELECT statement?

..., and use a GROUP BY to make the DISTINCT work. Try something like this: SELECT DISTINCT Category, MAX(CreationDate) FROM MonitoringJob GROUP BY Category ORDER BY MAX(CreationDate) DESC, Category share | ...
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How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited

... If you're using SQL Server 2005, you could use the FOR XML PATH command. SELECT [VehicleID] , [Name] , (STUFF((SELECT CAST(', ' + [City] AS VARCHAR(MAX)) FROM [Location] WHERE (VehicleID = Vehicle.VehicleID) FOR XML PATH ('')), 1, 2, '')) AS Locations FROM [...
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Caveats of select/poll vs. epoll reactors in Twisted

...o based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. ...
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How to avoid the “divide by zero” error in SQL?

...rder to avoid a "Division by zero" error we have programmed it like this: Select Case when divisor=0 then null Else dividend / divisor End ,,, But here is a much nicer way of doing it: Select dividend / NULLIF(divisor, 0) ... Now the only problem is to remember the NullIf bit, if I use the "/"...
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How to get the caret column (not pixels) position in a textarea, in characters, from the start?

...refox, Safari (and other Gecko based browsers) you can easily use textarea.selectionStart, but for IE that doesn't work, so you will have to do something like this: function getCaret(node) { if (node.selectionStart) { return node.selectionStart; } else if (!document.selection) { return ...