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Daniel Naves de Carvalho danielnc

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@danielnc
danielnc / humanize.rb
Last active October 13, 2015 03:28
humanize milliseconds (ruby)
def humanize(milliseconds)
[[1000, :milliseconds], [60, :seconds], [60, :minutes], [24, :hours], [365, :days], [+1.0/0.0, :years]].inject([]){ |m, (count, name)|
if milliseconds > 0
milliseconds, n = milliseconds.divmod(count)
m.unshift "#{n.to_i} #{name}"
end
m
}.join(' ')
end
@danielnc
danielnc / gist:4030943
Created November 7, 2012 11:23
log lines per second
tail -f file.log |perl -e 'while (<>) {$l++;if (time > $e) {$e=time;print "$l\n";$l=0}}'
@danielnc
danielnc / gist:4030891
Created November 7, 2012 11:09
Bash COUNT && Percent
grep "XXXXXXX" file.log | cut -d"," -f5 | sort | awk '{a[$0]++} END{for (i in a) if (a[i]>1) printf "%10d\t%5.2f%%\t%s\n", a[i], 100*a[i]/NR, i}' | sort -rn
@danielnc
danielnc / Gemfile
Created October 25, 2012 18:50
Ruby-cli --pipe vs Ruby-rb vs Ruby-rb Hiredis benchmark
source "http://rubygems.org"
gem 'bundler', ">= 1.2.1"
gem 'redis', ">= 3.0.2"
gem 'hiredis', ">= 0.4.5"
gem 'bench_press', ">= 0.3.1"