大约有 40,000 项符合查询结果(耗时:0.0333秒) [XML]

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How to make the first option of selected with jQuery

How do I make the first option of selected with jQuery? 27 Answers 27 ...
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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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Insert Data Into Temp Table with Query

... SELECT * INTO #Temp FROM (SELECT Received, Total, Answer, (CASE WHEN application LIKE '%STUFF%' THEN 'MORESTUFF' END) AS application FROM FirstTable WHERE Recieved = 1 AND applicati...
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Get top n records for each group of grouped results

...ould need to specify the group number and add queries for each group: ( select * from mytable where `group` = 1 order by age desc LIMIT 2 ) UNION ALL ( select * from mytable where `group` = 2 order by age desc LIMIT 2 ) There are a variety of ways to do this, see this articl...
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How to add extra info to copied web text

...cument.location.href}`; event.clipboardData.setData('text', document.getSelection() + pagelink); event.preventDefault(); }); Lorem ipsum dolor sit amet, consectetur adipiscing elit.<br/> <textarea name="textarea" rows="7" cols="50" placeholder="paste your copied text here"></...
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Working with select using AngularJS's ng-options

...o work... note the ng-model="blah" which is saying "set $scope.blah to the selected value". Try this: <select ng-model="blah" ng-options="item.ID as item.Title for item in items"></select> Here's more from AngularJS's documentation (if you haven't seen it): for array data sources...
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Oracle SQL: Update a table with data from another table

...his is called a correlated update UPDATE table1 t1 SET (name, desc) = (SELECT t2.name, t2.desc FROM table2 t2 WHERE t1.id = t2.id) WHERE EXISTS ( SELECT 1 FROM table2 t2 WHERE t1.id = t2.id ) Assuming the join results in a key-pr...
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Select n random rows from SQL Server table

I've got a SQL Server table with about 50,000 rows in it. I want to select about 5,000 of those rows at random. I've thought of a complicated way, creating a temp table with a "random number" column, copying my table into that, looping through the temp table and updating each row with RAND() , and ...
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How to get multiple selected values of select box in php?

I have a html form which has a select list box from which you can select multiple values because its multiple property is set to multiple. Consider form method is 'GET'. The html code for the form is as follows: ...
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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 ) ...