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How do I determine k when using k-means clustering?
...can check the veracity of this information on the following paper:
http://www.ijarcsms.com/docs/paper/volume1/issue6/V1I6-0015.pdf
There is also another method called G-means, where your distribution follows a Gaussian Distribution or Normal Distribution.
It consists of increasing k until all your...
Chrome desktop notification example [closed]
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I like: http://www.html5rocks.com/en/tutorials/notifications/quick/#toc-examples but it uses old variables, so the demo doesn't work anymore. webkitNotifications is now Notification.
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How do I use a file grep comparison inside a bash if/else statement?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
How to insert an item at the beginning of an array in PHP?
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This will help
http://www.w3schools.com/php/func_array_unshift.asp
array_unshift();
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What are the most-used vim commands/keypresses?
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http://www.viemu.com/a_vi_vim_graphical_cheat_sheet_tutorial.html
This is the greatest thing ever for learning VIM.
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Add primary key to existing table
...y detail. Hope this answer can help other SQL beginner.
Reference:https://www.w3schools.com/sql/sql_primarykey.asp
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Quickly create large file on a Windows system
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Check out RDFC http://www.bertel.de/software/rdfc/index-en.html
RDFC is probably not the fastest, but it does allocate data blocks. The absolutely fastest would have to use lower level API to just obtain cluster chains and put them into MFT with...
Extract substring using regexp in plain bash
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Run Java Code Online [closed]
...it has some maximum amount of submissions per month for registered users.
www.ideone.com
It supports more than 40 languages, and is integrated with SPOJ and RecruitCoders.
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C# “internal” access modifier when doing unit testing
...n do the work yourself to unit test private and protected methods:
http://www.codeproject.com/KB/cs/testnonpublicmembers.aspx
In terms of which access modifier you should use, my general rule of thumb is start with private and escalate as needed. That way you will expose as little of the internal...