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SQL Server : Columns to Rows

... You can use the UNPIVOT function to convert the columns into rows: select id, entityId, indicatorname, indicatorvalue from yourtable unpivot ( indicatorvalue for indicatorname in (Indicator1, Indicator2, Indicator3) ) unpiv; Note, the datatypes of the columns you are unpivoting mus...
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How can I select random files from a directory in bash?

I have a directory with about 2000 files. How can I select a random sample of N files through using either a bash script or a list of piped commands? ...
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Check if table exists in SQL Server

...nge from version to version. To check if a table exists use: IF (EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'TheSchema' AND TABLE_NAME = 'TheTable')) BEGIN --Do Stuff END ...
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MySQL Orderby a number, Nulls last

...Place a minus sign (-) before the column name and switch the ASC to DESC: SELECT * FROM tablename WHERE visible=1 ORDER BY -position DESC, id DESC It is essentially the inverse of position DESC placing the NULL values last but otherwise the same as position ASC. A good reference is here http://t...
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Check if a temporary table exists and delete if it exists before creating a temporary table

...me in SQL Server 2005, with the extra "foo" column appearing in the second select result: IF OBJECT_ID('tempdb..#Results') IS NOT NULL DROP TABLE #Results GO CREATE TABLE #Results ( Company CHAR(3), StepId TINYINT, FieldId TINYINT ) GO select company, stepid, fieldid from #Results GO ALTER TABLE #R...
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Any way to make a WPF textblock selectable?

How to allow TextBlock 's text to be selectable? 15 Answers 15 ...
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Why is SELECT * considered harmful?

Why is SELECT * bad practice? Wouldn't it mean less code to change if you added a new column you wanted? 15 Answers ...
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How to add MVC5 to Visual Studio 2013?

...onger has separate project types for different ASP.Net features. You must select .NET Framework 4.5 (or higher) in order to see the ASP.NET Web Application template (For ASP.NET One). So just select Visual C# > Web > ASP.NET Web Application, then select the MVC checkbox in the next step. Not...
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How to get a list of user accounts using the command line in MySQL?

... Use this query: SELECT User FROM mysql.user; Which will output a table like this: +-------+ | User | +-------+ | root | +-------+ | user2 | +-------+ As Matthew Scharley points out in the comments on this answer, you can group by the ...
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Cherry pick using TortoiseGit

...y with the target branch checked out. Use the top-left blue branch name to select the source branch. Select the commit(s) you want. Right click and select Cherry Pick this commit. share | improve t...