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How to concatenate items in a list to a single string?
Is there a simpler way to concatenate string items in a list into a single string? Can I use the str.join() function?
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When to use an interface instead of an abstract class and vice versa?
This may be a generic OOP question. I wanted to do a generic comparison between an interface and an abstract class on the basis of their usage.
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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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How does BLAS get such extreme performance?
Out of curiosity I decided to benchmark my own matrix multiplication function versus the BLAS implementation... I was to say the least surprised at the result:
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How to replace a set of tokens in a Java String?
I have the following template String: "Hello [Name] Please find attached [Invoice Number] which is due on [Due Date]" .
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Private pages for a private Github repo
Couldn't find anything in the github documentation and also here on SO. But I was wondering if there could be a http://foo.github.com for a private repository named foo which is accessible only one had access to the foo repository itself.
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A generic error occurred in GDI+, JPEG Image to MemoryStream
This seems to be a bit of an infamous error all over the web. So much so that I have been unable to find an answer to my problem as my scenario doesn't fit. An exception gets thrown when I save the image to the stream.
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How do I look inside a Python object?
I'm starting to code in various projects using Python (including Django web development and Panda3D game development).
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getApplication() vs. getApplicationContext()
I couldn't find a satisfying answer to this, so here we go: what's the deal with Activity/Service.getApplication() and Context.getApplicationContext() ?
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