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Counting DISTINCT over multiple columns

... function turns the ints into varchars to make the distinct more reliable SELECT COUNT(DISTINCT (CHECKSUM(DocumentId,DocumentSessionId)) + CHECKSUM(REVERSE(DocumentId),REVERSE(DocumentSessionId)) ) FROM DocumentOutPutItems ...
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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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How to comment and uncomment blocks of code in the Office VBA Editor

...tor, go to View, Toolbars, Customise... or right click on the tool bar and select Customise... Under the Commands tab, select the Edit menu on the left. Then approximately two thirds of the way down there's two icons, Comment Block and Uncomment Block. Drag and drop these onto your toolbar and th...
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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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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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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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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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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. ...