大约有 48,000 项符合查询结果(耗时:0.0362秒) [XML]

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Group query results by month and year in postgresql

... select to_char(date,'Mon') as mon, extract(year from date) as yyyy, sum("Sales") as "Sales" from yourtable group by 1,2 At the request of Radu, I will explain that query: to_char(date,'Mon') as mon, : convert...
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Get cursor position (in characters) within a text Input field

... Easier update: Use field.selectionStart example in this answer. Thanks to @commonSenseCode for pointing this out. Old answer: Found this solution. Not jquery based but there is no problem to integrate it to jquery: /* ** Returns the caret (curs...
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MySQL - Using COUNT(*) in the WHERE clause

... try this; select gid from `gd` group by gid having count(*) > 10 order by lastupdated desc share | improve this answer ...
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Iterate through options

I have a <select> element in HTML. This element represents a drop down list. I'm trying to understand how to iterate through the options in the <select> element via JQuery. ...
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Fix code indentation in Xcode

... Before Xcode 9 (for Xcode 9 see default shortcut below) select text right-click there's a "Re-indent selection" item in popup menu In XCode 4 there is one more step: select text right-click Click on "Structure" there's a "Re-indent selection" and other options in popup men...
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Optimal way to concatenate/aggregate strings

...Transact SQL, which should work fine in Azure. ;WITH Partitioned AS ( SELECT ID, Name, ROW_NUMBER() OVER (PARTITION BY ID ORDER BY Name) AS NameNumber, COUNT(*) OVER (PARTITION BY ID) AS NameCount FROM dbo.SourceTable ), Concatenated AS ( SELECT ...
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How to submit form on change of dropdown list?

I am creating a page in JSP where I have a dropdown list and once the user selects a value he has to click on the go button and then the value is sent to the Servlet. ...
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Can you animate a height change on a UITableViewCell when selected?

... I would like it so that when the user clicks on a particular person (thus selecting the cell), the cell grows in height to display several UI controls for editing the properties of that person. ...
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Case in Select Statement

I have an SQL statement that has a CASE from SELECT and I just can't get it right. Can you guys show me an example of CASE where the cases are the conditions and the results are from the cases. For example: ...
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Difference between onCreate() and onStart()? [duplicate]

I was wondering - what is the difference between onCreate() and onStart() methods? 2 Answers ...