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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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Small note: The cols and take_last parameters are depreciated and have been replaced by the subset and keep parameters. pandas.pydata.org/pandas-docs/version/0.17.1/generated/…
– Jezzamon
Dec 4 '15 at 4:22...
Installing PG gem on OS X - failure to build native extension
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Same error for me and I didn't experience it until I downloaded OS X 10.9 (Mavericks). Sigh, another OS upgrade headache.
Here's how I fixed it (with homebrew):
Install another build of Xcode Tools (typing brew update in the terminal will p...
Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
If I understand correctly, each and every object in Javascript inherits from the Object prototype, which means that each and every object in Javascript has access to the hasOwnProperty function through its prototype chain.
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Architecture of a single-page JavaScript web application?
...application in terms of its model objects, UI components, any controllers, and objects handling server persistence.
14 Answ...
Do you need to dispose of objects and set them to null?
Do you need to dispose of objects and set them to null, or will the garbage collector clean them up when they go out of scope?
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Git production/staging server workflow
Currently my website (production server) already have a lot of code in it.
And now I want to start using Git for my projects and setup a staging server for my team.
Can anybody give me any advise?
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How do I do a case-insensitive string comparison?
...hos”) has all three: uppercase at the front, lowercase final at the end, and lowercase nonfinal at the third position. If your two strings are Σίσυφος and ΣΊΣΥΦΟΣ, then your approach fails, because those are supposed to be the same case insensitively.
– tchrist...
What is Ember RunLoop and how does it work?
I am trying to understand how Ember RunLoop works and what makes it tick. I have looked at the documentation , but still have many questions about it. I am interested in understanding better how RunLoop works so I can choose appropriate method within its name space, when I have to defer execution o...
Difference between a Structure and a Union
Is there any good example to give the difference between a struct and a union ?
Basically I know that struct uses all the memory of its member and union uses the largest members memory space. Is there any other OS level difference?
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The type or namespace name 'DbContext' could not be found [closed]
I am VERY new to ASP.NET MVC (3) and am having a hard time resolving a build error in Visual Studio:
30 Answers
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