I hereby claim:
- I am danielnc on github.
- I am danielnc (https://keybase.io/danielnc) on keybase.
- I have a public key whose fingerprint is F822 829F 701F 69C5 DBF0 1C73 73CA C4D6 FC57 89E6
To claim this, I am signing this object:
I hereby claim:
To claim this, I am signing this object:
Verifying myself: My Bitcoin username is +danielnc. https://onename.io/danielnc |
if defined?(ActiveRecord::Base) | |
module AttrEncrypted | |
module Adapters | |
module ActiveRecord | |
protected | |
class EncryptedAttributeClassWrapper | |
attr_reader :klass | |
def initialize(klass); @klass = klass; end | |
end |
def convert(number, base=10) | |
raise "base must be between 2 and 36" if base < 2 || base > 36 | |
negative = number < 0 | |
number = number.abs | |
number_array = [] | |
loop do | |
number_array.unshift("0123456789abcdefghijklmnopqrstuvwxyz"[number % base]) | |
number /= base | |
break if number == 0 | |
end |
cat users.in | cut -f1 | ruby -e "ARGF.each_line { |line|puts Time.at(line[0...8].to_i(16)).strftime(\"%Y%m%d\") }" | sort -r | uniq -c |
# Check: http://www.johndcook.com/standard_deviation.html | |
module OmniRPC | |
module Util | |
class StreamingStats | |
attr_reader :min, :max | |
def initialize | |
@m_n = 0.0 | |
@max = -Float::INFINITY | |
@min = Float::INFINITY |
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 |
tail -f file.log |perl -e 'while (<>) {$l++;if (time > $e) {$e=time;print "$l\n";$l=0}}' |
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 |
# UPDATE to Get the latest versions | |
wget http://www.netlib.org/lapack/lapack-3.4.2.tgz | |
wget http://sourceforge.net/projects/math-atlas/files/Stable/3.10.0/atlas3.10.0.tar.bz2/download?use_mirror=ufpr | |
tar -vxf atlas3.10.0.tar.bz2 | |
cd ATLAS | |
mkdir build | |
cd build | |
################################## -t 8 means 8 threads. depending on the ec2 instance you can choose more threads | |
### V 448 means SSE1/2/3 support. A14 means x86SSE364SSE2 architecture. check the documentation for more information | |
### if you run smaller instances you may get 32 bit machines. in this case you need to build -b 32, too and install the |