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NumPy or Pandas: Keeping array type as integer while having a NaN value
Is there a preferred way to keep the data type of a numpy array fixed as int (or int64 or whatever), while still having an element inside listed as numpy.NaN ?
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How can I get the max (or min) value in a vector?
How can I get the max (or min) value in a vector in C++ ?
10 Answers
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How to save a PNG image server-side, from a base64 data string
I'm using Nihilogic's "Canvas2Image" JavaScript tool to convert canvas drawings to PNG images.
What I need now is to turn those base64 strings that this tool generates, into actual PNG files on the server, using PHP.
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When to catch java.lang.Error?
In what situations should one catch java.lang.Error on an application?
16 Answers
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How do I filter ForeignKey choices in a Django ModelForm?
Say I have the following in my models.py :
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What is the in a .vimrc file?
I see <leader> in many .vimrc files, and I am wondering what does it mean?
5 Answers
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Entity Framework and Connection Pooling
I've recently started to use the Entity Framework 4.0 in my .NET 4.0 application and am curious about a few things relating to pooling.
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git cherry-pick says “…38c74d is a merge but no -m option was given”
I made some changes in my master branch and want to bring those upstream. when I cherry-pick the following commits however I get stuck on fd9f578 where git says:
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Is GridFS fast and reliable enough for production?
I develop a new website and I want to use GridFS as storage for all user uploads, because it offers a lot of advantages compared to a normal filesystem storage.
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How to construct a set out of list items in python?
I have a list of filenames in python and I would want to construct a set out of all the filenames.
6 Answers
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