大约有 47,000 项符合查询结果(耗时:0.0322秒) [XML]

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Remove Select arrow on IE

I have select element, i want to remove the arrow, then i can add other icon.. i can do that for Firefox Safari and Chrome, but this didn't work on IE9 . ...
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Trigger change event using jquery

is there anyway i could trigger a change event on select box on page load and select a particular option. 8 Answers ...
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How to search a specific value in all tables (PostgreSQL)?

... If you're using IntelliJ you can just right-click your db and select "Dump with 'pg_dump'" or "Dump data to file(s)" – Laurens Nov 29 '17 at 12:26 3 ...
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How do I programmatically set the value of a select box element using JavaScript?

I have the following HTML <select> element: 17 Answers 17 ...
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Search for selection in vim

... Check this Vim tip: Search for visually selected text Or you can simply yank the selected text with y and go to search mode /, then you can paste the last yanked text with Ctrl+R 0 share ...
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Select N random elements from a List in C#

I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> . ...
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Is there an onSelect event or equivalent for HTML ?

I have an input form that lets me select from multiple options, and do something when the user changes the selection. Eg, ...
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Select top 10 records for each category

... If you are using SQL 2005 you can do something like this... SELECT rs.Field1,rs.Field2 FROM ( SELECT Field1,Field2, Rank() over (Partition BY Section ORDER BY RankCriteria DESC ) AS Rank FROM table ) rs WHERE Rank <= 10 If y...
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Counting null and non-null values in a single query

...le and SQL Server (you might be able to get it to work on another RDBMS): select sum(case when a is null then 1 else 0 end) count_nulls , count(a) count_not_nulls from us; Or: select count(*) - count(a), count(a) from us; ...
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What does it mean by select 1 from table?

... SELECT 1 FROM TABLE_NAME means, "Return 1 from the table". It is pretty unremarkable on its own, so normally it will be used with WHERE and often EXISTS (as @gbn notes, this is not necessarily best practice, it is, however, c...