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Sample random rows in dataframe
...x(rnorm(20), nrow=10))
> df
X1 X2
1 0.7091409 -1.4061361
2 -1.1334614 -0.1973846
3 2.3343391 -0.4385071
4 -0.9040278 -0.6593677
5 0.4180331 -1.2592415
6 0.7572246 -0.5463655
7 -0.8996483 0.4231117
8 -1.0356774 -0.1640883
9 -0.3983045 0.7157506
10 -0.9060305 2.32...
What is the difference between const and readonly in C#?
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Shantanu Gupta
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answered Dec 2 '08 at 11:50
splattnesplattne
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Java: Difference between PrintStream and PrintWriter
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With the PrintStream you're stuck to platform's default encoding.
PrintStream stream = new Pri...
Installing vim with ruby support (+ruby)
...DenMarkDenMark
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In c# is there a method to find the max of 3 numbers?
...1) ~38ms, Inlined ~ (1,2) 58ms, (2,1) ~53ms, Delegated~ (1,2) 69ms, (2,1) ~61ms. -> Math on 3 values: ~55ms, Inlined: ~62ms. -> 4 values: ~75ms vs ~80ms... All done by 10 million iterations and 5 measurements... If you turn on optimizations the trend turns and Math wins more the more values yo...
How to randomize (shuffle) a JavaScript array?
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What does extern inline do?
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RoddyRoddy
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Git for beginners: The definitive practical guide
Ok, after seeing this post by PJ Hyett , I have decided to skip to the end and go with Git .
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