大约有 44,000 项符合查询结果(耗时:0.0305秒) [XML]

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Counting the number of option tags in a select tag in jQuery

How do I count the number of <option> s in a <select> DOM element using jQuery? 8 Answers ...
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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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Selecting data from two different servers in SQL Server

How can I select data in the same query from two different databases that are on two different servers in SQL Server? 15 An...
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How to deal with SQL column names that look like SQL keywords?

...ange the name because I didn't make it. Am I allowed to do something like SELECT from FROM TableName or is there a special syntax to avoid the SQL Server being confused? ...
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Regex select all text between tags

What is the best way to select all the text between 2 tags - ex: the text between all the 'pre' tags on the page. 17 Answe...
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Select data from date range between two dates

...uch more simple (only two cases against four). Your SQL will look like: SELECT * FROM Product_sales WHERE NOT (From_date > @RangeTill OR To_date < @RangeFrom) share | improve this answer ...
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How to round an average to 2 decimal places in PostgreSQL?

... round that takes a precision is only available for numeric. regress=> SELECT round( float8 '3.1415927', 2 ); ERROR: function round(double precision, integer) does not exist regress=> \df *round* List of functions Schema | Name | Result data type | Argument...
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Get/pick an image from Android's built-in Gallery app programmatically

... https://github.com/hanscappelle/SO-2169649 (note that the multiple file selection still needs work) Single Picture Selection With support for images from file explorers thanks to user mad. public class BrowsePictureActivity extends Activity { // this is the action code we use in our inten...
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MySQL Conditional Insert

... If your DBMS does not impose limitations on which table you select from when you execute an insert, try: INSERT INTO x_table(instance, user, item) SELECT 919191, 123, 456 FROM dual WHERE NOT EXISTS (SELECT * FROM x_table WHERE user = ...
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GROUP BY with MAX(DATE) [duplicate]

... to your group by clause, otherwise you need to rethink your query. Try: SELECT t.Train, t.Dest, r.MaxTime FROM ( SELECT Train, MAX(Time) as MaxTime FROM TrainTable GROUP BY Train ) r INNER JOIN TrainTable t ON t.Train = r.Train AND t.Time = r.MaxTime ...