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How to group dataframe rows into list in pandas groupby?
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groupby is notoriously slow and memory hungry, what you could do is sort by column A, then find the idxmin and idxmax (probably store this in a dict) and use this to slice your dataframe would be faster I think
– EdChum
Mar 6 '14 at ...
How to use a variable for the database name in T-SQL?
...work, thx... Though it should be EXECUTE(@SQL_SCRIPT), or at least that is what worked for me.
– reSPAWNed
Sep 14 '11 at 18:17
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Is there a version control system for database structure changes?
I often run into the following problem.
22 Answers
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Sublime Text 2 multiple line edit
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@MattDMo YES!! That's exactly what I was looking for. Do you by chance know the keyboard shortcut to selecting all them like that? I'll look around and see if I can find it.
– Syperus
Mar 1 '14 at 2:40
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MSSQL Error 'The underlying provider failed on Open'
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You should see innerException to see what the inner cause of throwing of
error is.
In my case, the original error was:
Unable to open the physical file "D:\Projects2\xCU\xCU\App_Data\xCUData_log.ldf". Operating system error 5: "5(Access is denied.)".
An ...
Android Studio - Ambiguous method call getClass()
...udio for my Android application.
My code works and compiles.
Recently, the IDE showes me error (red lines) on getClass of the following code:
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Eclipse / Android : “Errors running builder 'Android Pre Compiler' on project…”
...aven't worked on for a couple of months, yet every time I attempt to build the project Eclipse throws up a dialog saying:
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Get name of current class?
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TO clarify what I am trying to do: I need to create and initialize a class variable, 'input', outside of a method. I have a bunch of small classes, each which must call 'get_input' using their class name...
MongoDB, remove object from array
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What are those boolean values?
– Nicolas Del Valle
Jul 7 '17 at 20:27
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Delete a project from SonarQube
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You have 2 ways to delete a project:
If you are an admin of the project, you can delete it from its configuration actions
=> See "Deleting a project" in the "Project Administration" documentation page
If you are a SonarQube administrator, then you can also delete a project from th...