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{
  "logging": {
    "version": 1,
    "disable_existing_loggers": true,
    "formatters": {
      "brief": {
        "class": "logging.Formatter",
        "datefmt": "%I:%M:%S",
        "format": "%(levelname)-8s; %(name)-15s; %(message)s"
      },

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DHT Walkthrough Notes

I've put together these notes as I read about DHT's in depth and then learned how the libtorrent implementation based on the Kademlia paper actually works.

What problem does this solve?

400,000,000,000 (400 billion stars), that's a 4 followed by 11 zeros. The number of atoms in the universe is estimated to be around 10^82. A DHT with keys of 160 bits, can have 2^160 possible numbers, which is around 10^48

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Step by step how to pull a private DockerHub hosted image in a Kubernetes YML.

export DOCKER_REGISTRY_SERVER=https://index.docker.io/v1/
export DOCKER_USER=Type your dockerhub username, same as when you `docker login`
export DOCKER_EMAIL=Type your dockerhub email, same as when you `docker login`
export DOCKER_PASSWORD=Type your dockerhub pw, same as when you `docker login`

kubectl create secret docker-registry myregistrykey \
  --docker-server=$DOCKER_REGISTRY_SERVER \
  --docker-username=$DOCKER_USER \

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# docker build -t ubuntu1604py36
FROM ubuntu:16.04

RUN apt-get update
RUN apt-get install -y software-properties-common vim
RUN add-apt-repository ppa:jonathonf/python-3.6
RUN apt-get update

RUN apt-get install -y build-essential python3.6 python3.6-dev python3-pip python3.6-venv
RUN apt-get install -y git

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-- show running queries (pre 9.2)
SELECT procpid, age(query_start, clock_timestamp()), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(query_start, clock_timestamp()), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

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{
      unauthorized: 'unauthorized',

      token_based_subscription_create_service: {
          create_error: 'create_error',
          user_not_found: 'user_not_found',
          merchant_not_found: 'merchant_not_found'
      },

      subscription_charge_service: {

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var EventEmitter = require('events').EventEmitter;
var _ = require('lodash');

// Factory shared
var makePerson = function() {
  var person = {};
  EventEmitter.call(person);
  person.wallet = 0;
  _.extend(person, personMethods)
  return person;

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#!/usr/bin/env ruby
require "fileutils"
puts "Using system RVM"
#system("/bin/bash --login && rvm use system")

puts "Initializing PID and Log files"
PIDFOLDER = "/opt/pids"
PIDFILE = "/opt/pids/torquebox.pid"
LOGFILE = "/var/log/torquebox/torquebox.log"
FileUtils.mkdir_p(PIDFOLDER) unless Dir.exists?(PIDFILE)

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Kaminari.paginate_array([{:a => 1}, {:b => 2}, {:c => 3}, {:d => 4}]).page(1).per(1)
=> [{:a=>1}]
[10] pry(main)> Kaminari.paginate_array([{:a => [1,2,3,4]}, {:b => [123,123,1231,231]}, {:c => [123123]}, {:d => [:asd, :asdasd]}]).page(1).per(1)
=> [{:a=>[1, 2, 3, 4]}]
[11] pry(main)> Kaminari.paginate_array([{:a => [1,2,3,4]}, {:b => [123,123,1231,231]}, {:c => [123123]}, {:d => [:asd, :asdasd]}]).page(1).per(2)
=> [{:a=>[1, 2, 3, 4]}, {:b=>[123, 123, 1231, 231]}]
[12] pry(main)> Kaminari.paginate_array([{:a => [1,2,3,4]}, {:b => [123,123,1231,231]}, {:c => [123123]}, {:d => [:asd, :asdasd]}]).page(1).per(3)
=> [{:a=>[1, 2, 3, 4]}, {:b=>[123, 123, 1231, 231]}, {:c=>[123123]}]

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# Guide
# Configure the essential configurations below and do the following:
# 
#   Repository Creation:
#     cap deploy:repository:create
#     git add .
#     git commit -am "initial commit"
#     git push origin master
# 
#   Initial Deployment: