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# Add .numeric?
class String
  def numeric?
    return true if self =~ /\A\d+\Z/
    true if Float(self) rescue false
  end
end

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require 'net/http'
require 'uri'
require 'json'

class BitcoinRPC
  def initialize(service_url)
    @uri = URI.parse(service_url)
  end

  def method_missing(name, *args)

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export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion

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<IfModule mod_rewrite.c>

  RewriteEngine On
  RewriteBase /
  RewriteRule ^index\.html$ - [L]
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !-l
  RewriteRule . /index.html [L]

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# Make sure unzip, make etc are installed

wget http://download.oracle.com/berkeley-db/db-4.8.30.zip
unzip db-4.8.30.zip
cd db-4.8.30
cd build_unix/
../dist/configure --prefix=/usr/local --enable-cxx
make
make install

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class ::Hash
  # via https://stackoverflow.com/a/25835016/2257038
  def stringify_keys
    h = self.map do |k,v|
      v_str = if v.instance_of? Hash
                v.stringify_keys
              else
                v
              end

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https://docs.traefik.io/v1.5/configuration/backends/docker/

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curl -H "Content-Type: application/json" -X POST --data '{"jsonrpc":"2.0","method":"eth_syncing","params":[],"id":1}' http://123.123.123.123:8545

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Other       11 hrs 37 mins ██████████▎░░░░░░░░░░  49.3%
Swift       11 hrs 3 mins  █████████▊░░░░░░░░░░░  46.9%
Ruby        32 mins        ▍░░░░░░░░░░░░░░░░░░░░   2.3%
CSS         14 mins        ▏░░░░░░░░░░░░░░░░░░░░   1.0%
Git Config  2 mins         ░░░░░░░░░░░░░░░░░░░░░   0.2%

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