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2.1.6 :001 > fib = Hash.new{ |h,k| h[k] = k < 2 ? k : h[k-1]+h[k-2] }
 => {} 
2.1.6 :002 > fib[1]
 => 1 
2.1.6 :003 > fib[10]
 => 55 
2.1.6 :004 > fib
 => {1=>1, 0=>0, 2=>1, 3=>2, 4=>3, 5=>5, 6=>8, 7=>13, 8=>21, 9=>34, 10=>55} 

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active_model_serializers (0.9.5)
      activemodel (>= 3.2)
knock (1.4.2)
      bcrypt (~> 3.1)
      jwt (~> 1.5)
      rails (>= 4.2)

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#!/bin/sh
set -eu

snap list --all | awk '/disabled/{print $1, $3}' |
    while read snapname revision; do
      sudo snap remove "$snapname" --revision="$revision"
    done

#observation: I copied this script from another person but i don't remember where.

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Atom Sync

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# fino-time.zsh-theme

# Use with a dark background and 256-color terminal!
# Meant for people with RVM and git. Tested only on OS X 10.7.

# You can set your computer name in the ~/.box-name file if you want.

# Borrowing shamelessly from these oh-my-zsh themes:
#   bira
#   robbyrussell

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Splunk Recipes for Heroku

A collection of Splunk recipes for Heroku logs. Instructions for setting up Splunk Storm with Heroku can be found here. For the vast majority of these recipes you'll need to have enabled the Heroku labs feature, log-runtime-metrics, for your application.

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sudo add-apt-repository ppa:linrunner/tlp


sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -

sudo apt-get install  apt-transport-https ca-certificates curl software-properties-common
  
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

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require 'pp'

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem 'u-case', '~> 4.2.1'
  gem 'pry-byebug'
  gem 'awesome_print'
  gem 'activesupport', require: 'active_support/all'

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# frozen_string_literal: true

module Resourceable
  extend ActiveSupport::Concern

  included do
    before_action :set_resource, only: %i[show edit update destroy]
    before_action :authorize_resource
    helper_method :resource

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Install some dependences

// improve battery perform
sudo add-apt-repository ppa:linrunner/tlp


sudo sh -c 'echo "deb [arch=amd64]  https://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'

wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -