dkam

# https://trac.opensubtitles.org/projects/opensubtitles/wiki/HashSourceCodes#Ruby
# https://github.com/trytriangles/oshash/tree/master/test

def oshash(filename)                                                
  mask = 0xffffffffffffffff                                         
  readsize = 64 * 1024
  filesize = File.size(filename)                                    
  hash = filesize
  File.open(filename, 'rb') do |f|                                  
    hash = f.read(readsize).unpack("Q<*").inject(hash) {|h, v| h + v & mask}

dkam

#!/usr/bin/env ruby

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem 'json'
  gem 'sys-filesystem'
end

dkam

def valid_json?(string)
  result = JSON.parse(string)

  result.is_a?(Hash) || result.is_a?(Array)
rescue JSON::ParserError, TypeError
  false
end

def valid_json(string, default: [])
  result = JSON.parse(string)

dkam

#!/usr/bin/env ruby

require 'open-uri'
require 'nokogiri'
VERSION = 0.1

def getter(url)
  URI.open(url,  "User-Agent" => "Curlr/#{VERSION}")
rescue OpenURI::HTTPError => e
  e.io

dkam

# https://stackoverflow.com/questions/1078347/rails-is-there-a-rails-trick-to-adding-commas-to-large-numbers
an_integer.to_s.reverse.gsub(/(\d{3})(?=\d)/, '\\1,').reverse

an_int_or_float.to_s.split(".").then {|a| a[0] = a[0]&.reverse&.gsub(/(\d{3})(?=\d)/, '\\1,')&.reverse; a[1].nil? ? a[0] : a[0] + '.' + a[1] }

dkam

def select_items(count:, items:)
  items.lazy.select { |item| item.matchs?(/some filter/ }.take(count).to_a
end

# Other example : https://stackoverflow.com/questions/34787811/short-cutting-version-of-select-for-no-more-than-n-matches

dkam

def tick args
  player = {x: 576, y: 280, w: 20, h: 20, path: 'sprites/circle/red.png'}
  args.outputs.sprites << { **player,angle: angle_to_mouse(player, args)  }
end


def angle_to_mouse(player, args)
  args.geometry.angle_to(player, [args.mouse.x, args.mouse.y])
end

dkam

{"prefix":"0","value":"English","value_type":"Language area"}
{"prefix":"1","value":"English","value_type":"Language area"}
{"prefix":"2","value":"French","value_type":"Language area"}
{"prefix":"3","value":"German","value_type":"Language area"}
{"prefix":"4","value":"Japan","value_type":"National"}
{"prefix":"5","value":"former USSR","value_type":"Regional"}
{"prefix":"7","value":"China","value_type":"National"}
{"prefix":"65","value":"Brazil","value_type":"National"}
{"prefix":"80","value":"Czechoslovakia","value_type":"Regional"}
{"prefix":"81","value":"India","value_type":"National"}

dkam

#!/usr/bin/env ruby
require 'open-uri'

# From https://www.eff.org/dice

count = ARGV[0]&.to_i || 6
total = ARGV[1]&.to_i || 3

dice = URI.open("https://www.eff.org/files/2016/07/18/eff_large_wordlist.txt").read.split("\n").map(&:split).to_h

dkam

class Person
  def initialize(name)
    @name = name
  end
  def greet
    puts "Hello #{@name}"
  end
end

dan = Person.new('Dan')