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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?

... Here's a small kmeans that uses any of the 20-odd distances in scipy.spatial.distance, or a user function. Comments would be welcome (this has had only one user so far, not enough); in particular, what are your N, dim, k, metric ? #!/u...
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Is there any difference between “foo is None” and “foo == None”?

... Hmmm, I think your link changed, unless you were interested in how to call external functions from python – Pat May 4 '12 at 20:39 ...
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Combining Multiple Commits Into One Prior To Push

...its at once. Many times, you may want to break your work down into a few small, logical commits, but only push them up once you feel like the whole series is ready. Or you might be making several commits locally while disconnected, and you push them all once you're connected again. There's no reason...
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Circular (or cyclic) imports in Python

... There was a really good discussion on this over at comp.lang.python last year. It answers your question pretty thoroughly. Imports are pretty straightforward really. Just remember the following: 'import' and 'from xxx import yyy' ...
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How do you turn a Mongoose document into a plain object?

...ng is that JSON.parse(JSON.encode(doc)) works and returns an object with all of the correct properties. Is there a better way to do this? ...
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Callback functions in C++

In C++, when and how do you use a callback function? 10 Answers 10 ...
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Python Sets vs Lists

...move the object creation now. The setup phase of the timeit loops is only called once (docs.python.org/2/library/timeit.html#timeit.Timer.timeit). – Ellis Percival Sep 30 '14 at 10:09 ...
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How to loop through all the properties of a class?

...). You don't need to specify BindingFlags.GetProperty, you use that when calling type.InvokeMember() to get the value of a property. share | improve this answer | follow ...
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Java abstract interface

...blic void interfacing(); public abstract boolean interfacing(boolean really); \___.__/ | '----> nor this, are necessary. } Interfaces and their methods are implicitly abstract and adding that modifier makes no difference. Is there other rules tha...
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Catch a thread's exception in the caller thread in Python

I'm very new to Python and multithreaded programming in general. Basically, I have a script that will copy files to another location. I would like this to be placed in another thread so I can output .... to indicate that the script is still running. ...