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How are feature_importances in RandomForestClassifier determined?
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158
There are indeed several ways to get feature "importances". As often, there is no strict consen...
Difference between abstraction and encapsulation?
...n example of abstraction that’s not encapsulation:
T pi<T> = 3.1415926535
This is a generic variable pi with a given value (π), and the declaration doesn’t care about the exact type of the variable. Admittedly, I’d be hard-pressed to find something like this in real code: abstraction...
Is there a performance gain in using single quotes vs double quotes in ruby?
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$ ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0]
$ cat benchmark_quotes.rb
# As of Ruby 1.9 Benchmark must be required
require 'benchmark'
n = 1000000
Benchmark.bm(15) do |x|
x.report("assign single") { n.times do; c = 'a string'; end}
x.rep...
Avoid trailing zeroes in printf()
...f format specifiers. The closest you could get would be:
printf("%.6g", 359.013); // 359.013
printf("%.6g", 359.01); // 359.01
but the ".6" is the total numeric width so
printf("%.6g", 3.01357); // 3.01357
breaks it.
What you can do is to sprintf("%.20g") the number to a string buffer then ...
How do you implement a good profanity filter?
... some of the previous Dansgaurdian links, you may find this handy .zip of 458 words to be helpful.
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NSString property: copy or retain?
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Chris HansonChris Hanson
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What is the difference between a map and a dictionary?
...- Danny PflughoeftBlueRaja - Danny Pflughoeft
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Commenting multiple lines in DOS batch file
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185
You can use a goto to skip over code.
goto comment
...skip this...
:comment
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Chrome hangs after certain amount of data transfered - waiting for available socket
...ore in anonymous profile, etc. This is a solution stackoverflow.com/a/29639535/904846 which may to be accepted as a best answer.
– dmnc
Jan 11 '17 at 10:01
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How to maintain a Unique List in Java?
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brandizzi
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answered Nov 6 '12 at 21:18
FrankFrank
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