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Naming returned columns in Pandas aggregate function? [duplicate]

I'm having trouble with Pandas' groupby functionality. I've read the documentation , but I can't see to figure out how to apply aggregate functions to multiple columns and have custom names for those columns. ...
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Is there a difference between using a dict literal and a dict constructor?

...ch should make it a tiny bit faster the second looks up dict in locals() and then globals() and the finds the builtin, so you can switch the behaviour by defining a local called dict for example although I can't think of anywhere this would be a good idea apart from maybe when debugging ...
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IntelliJ: Working on multiple projects

...d. You shouldn't use three instances of intellij. You can open one Project and add other 'parts' of application as Modules. Add them via project browser, default hotkey is alt+1 share | improve this...
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iOS - Build fails with CocoaPods cannot find header files

... on the same project. He made some changes (only to code as far as I know) and made a new branch in the repo. I have checked out his branch and tried to build it, but I am getting an error: ASLogger/ASLogger.h file not found. ...
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Looking for ALT+LeftArrowKey solution in zsh

...recently switched from bash to zsh, however I miss my Alt + LeftArrowKey and Alt + RightArrowKey to go back and forth a word at a time. ...
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Re-raise exception with a different type and message, preserving existing information

I'm writing a module and want to have a unified exception hierarchy for the exceptions that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly,...
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Integrate ZXing in Android Studio

I'll start explaining all the steps I have done and in the end what is the problem. 5 Answers ...
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?

... lightweight front-controller. I need to match request paths to different handlers (actions) in order to choose the correct one. ...
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How to get the first item from an associative PHP array?

... What if i want to get the key and value? – Timberman Jul 13 at 12:44 add a comment  |  ...
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Create a string of variable length, filled with a repeated character

...Java form here: Java - Create a new String instance with specified length and filled with specific character. Best solution? ...