大约有 43,000 项符合查询结果(耗时:0.0372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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Removing rounded corners from a element in Chrome/Webkit

...sheet for Chrome gives a border-radius of 5px to all the corners of a <select> element. I've tried getting rid of this by applying a radius of 0px through my external stylesheet, as well inline on the element itself; I've tried both border-radius:0px and -webkit-border-radius:0px; and I...
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Simple way to calculate median with MySQL

... In MariaDB / MySQL: SELECT AVG(dd.val) as median_val FROM ( SELECT d.val, @rownum:=@rownum+1 as `row_number`, @total_rows:=@rownum FROM data d, (SELECT @rownum:=0) r WHERE d.val is NOT NULL -- put some where clause here ORDER BY d.val ) ...
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How do I modify fields inside the new PostgreSQL JSON datatype?

With postgresql 9.3 I can SELECT specific fields of a JSON data type, but how do you modify them using UPDATE? I can't find any examples of this in the postgresql documentation, or anywhere online. I have tried the obvious: ...
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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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Disabling user selection in UIWebView

...use I want the user to be able to click links. I just need to disable user selection. I found somewhere in the Internets that you can use: ...
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Select first row in each GROUP BY group?

As the title suggests, I'd like to select the first row of each set of rows grouped with a GROUP BY . 17 Answers ...
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Make Vim show ALL white spaces as a character

I can't find a way to make Vim show all white spaces as a character. All I found was about tabs, trailing spaces etc. 23 An...
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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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UITableView Setting some cells as “unselectable”

How can I set the UITableView's cell property to be unselectable? I don't want to see that blue selection box when the user taps on the cell. ...