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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
... or a function( Xvec, centrevec ), e.g. Lqmetric below
p: for minkowski metric -- local mod cdist for 0 < p < 1 too
verbose: 0 silent, 2 prints running distances
out:
centres, k x dim
Xtocentre: each X -> its nearest centre, ints N -> k
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
...ng'.
I'd expect them to be translated into something reasonably efficient for your current platform, whether it be one of those fancy bit-twiddling algorithms, or a single instruction.
A useful trick if your input can be zero is __builtin_clz(x | 1): unconditionally setting the low bit without m...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...k) is fun but you really need to go to the standards documents to be sure. For example, ISO C11 states (my emphasis):
If the value of argc is greater than zero, the string pointed to by argv[0] represents the program name; argv[0][0] shall be the null character if the program name is not availab...
sql “LIKE” equivalent in django query
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And for case insensitive search use __icontains -> result = table.objects.filter(string__icontains='pattern')
– Hitesh Garg
Aug 11 '15 at 15:56
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What is the difference between a static and a non-static initialization code block
...o cover a code block within a class which does not belong to any function. For example following code compiles:
8 Answers
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Pragma in define macro
...n 6.10.9 of the c99 standard, or 16.9 of the c++0x final committee draft)
For example,
#define STRINGIFY(a) #a
#define DEFINE_DELETE_OBJECT(type) \
void delete_ ## type ## _(int handle); \
void delete_ ## type(int handle); \
_Prag...
Received fatal alert: handshake_failure through SSLHandshakeException
...t uses a compatible version of the SSL/TLS protocol.
Incomplete trust path for the server certificate; the server's certificate is probably not trusted by the client. This would usually result in a more verbose error, but it is quite possible. Usually the fix is to import the server's CA certificate...
How to iterate for loop in reverse order in swift?
When I use the for loop in Playground, everything worked fine, until I changed the first parameter of for loop to be the highest value. (iterated in descending order)
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Is there an online name demangler for C++? [closed]
...t paste it into some textbox on some website and have the names un-mangled for me.
5 Answers
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difference between variables inside and outside of __init__()
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That's not what python does for me. Lists/dicts/etc get shared between all instances if you don't create them in __init__().
– too much php
Oct 8 '09 at 11:43
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