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Is there a way to measure how sorted a list is?
...onsider the example sequence 9, 5, 7, 6. This sequence has the inversions (0,1), (0,2), (0,3), (2,3) and the inversion number 4.
If you want a value between 0 and 1, you can divide the inversion number by N choose 2.
To actually create an algorithm to compute this score for how sorted a list is, you...
Is there a difference between x++ and ++x in java?
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answered Jul 7 '09 at 21:09
Emil HEmil H
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How to find the sum of an array of numbers
... how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
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80
Here's a small kmeans that uses any of the 20-odd distances in
scipy.spatial.distance, or a user...
How do I know the script file name in a Bash script?
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me=`basename "$0"`
For reading through a symlink1, which is usually not what you want (you usually don't want to confuse the user this way), try:
me="$(basename "$(test -L "$0" && readlink "$0" || echo "$0")")"
IMO, that'll pro...
Cleanest and most Pythonic way to get tomorrow's date?
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edited Oct 1 '09 at 22:52
Esteban Küber
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Null vs. False vs. 0 in PHP
...developers can spot/utilize the difference between Null and False and 0 and all the other good "nothing" entities.
What is the difference, specifically in PHP? Does it have something to do with === ?
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The name 'model' does not exist in current context in MVC3
...toryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
<pages pageBaseType="System.Web.Mvc.WebViewPage">
<namespaces>
<add namespace="System.Web.Mvc" />
<add namespace="S...
RuntimeWarning: invalid value encountered in divide
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evadeflow
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answered Apr 16 '14 at 18:05
Yan ZhuYan Zhu
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