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Understanding repr( ) function in Python
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Naseer Mohammad
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answered Oct 16 '11 at 12:22
ovgolovinovgolovin
11.7k44 gol...
Weighted random numbers
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nhaa123
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answered Apr 12 '11 at 1:10
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Are list-comprehensions and functional functions faster than “for loops”?
...AD_FAST 0 (.0)
>> 6 FOR_ITER 12 (to 21)
9 STORE_FAST 1 (x)
12 LOAD_FAST 1 (x)
15 LIST_APPEND 2
18 JUMP_ABSOLUTE 6
>> 21 RETURN_VALUE
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How to get datetime in JavaScript?
How to get date time in JavaScript with format 31/12/2010 03:55 AM?
7 Answers
7
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
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# also ~/py/np/kmeans/test-kmeans.py
Some notes added 26mar 2012:
1) for cosine distance, first normalize all the data vectors to |X| = 1; then
cosinedistance( X, Y ) = 1 - X . Y = Euclidean distance |X - Y|^2 / 2
is fast. For bit vectors, keep the norms separately from the vectors
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Getter and Setter?
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answered Jan 21 '12 at 18:25
WiliamWiliam
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Timeout on a function call
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@flypen that's because signal.alarm and the related SIGALRM are not available on Windows platforms.
– Double AA
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Transpose/Unzip Function (inverse of zip)?
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12 Answers
12
Active
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What is SYSNAME data type in SQL Server?
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sysname is a built in datatype limited to 128 Unicode characters that, IIRC, is used primarily to store object names when creating scripts. Its value cannot be NULL
It is basically the same as using nvarchar(128) NOT NULL
EDIT
As mentioned by @Jim in the comments,...
Multiple constructors in python? [duplicate]
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@Jack, your example doesn't actually store city anywhere either, so to a newbie this could be a pretty confusing answer.
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