大约有 47,000 项符合查询结果(耗时:0.0317秒) [XML]

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What is the difference between the states selected, checked and activated in Android?

...below added): ... For example, in a list view with single or multiple selection enabled, the views in the current selection set are activated. (Um, yeah, we are deeply sorry about the terminology here.) The activated state is propagated down to children of the view it is set on. So here...
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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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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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Row Offset in SQL Server

... I would avoid using SELECT *. Specify columns you actually want even though it may be all of them. SQL Server 2005+ SELECT col1, col2 FROM ( SELECT col1, col2, ROW_NUMBER() OVER (ORDER BY ID) AS RowNum FROM MyTable ) AS MyDerivedTable...
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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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Select count(*) from multiple tables

How can I select count(*) from two different tables (call them tab1 and tab2 ) having as result: 18 Answers ...
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How to get label of select option with jQuery?

The value can be retrieved by $select.val() . 11 Answers 11 ...
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Is there a way to make text unselectable on an HTML page? [duplicate]

...an HTML UI with some text elements, such as tab names, which look bad when selected. Unfortunately, it's very easy for a user to double-click a tab name, which selects it by default in many browsers. ...
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How to restore to a different database in sql server?

...restore. Kill all running processes by right clicking on each process and selecting "kill process". Right click on the database you wish to restore, and select Tasks-->Restore-->From Database. Select the "From Device:" radio button. Select ... and choose the backup file of the other database ...
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How to declare a variable in a PostgreSQL query

...ows you to return a table of temporary values. WITH master_user AS ( SELECT login, registration_date FROM users WHERE ... ) SELECT * FROM users WHERE master_login = (SELECT login FROM master_user) AND (SELECT registration_date FROM ma...