justinko

require 'rspec/autorun'

class FlattenArray
  def self.call(array)
    new(array).call
  end

  def initialize(array)
    @array = array
    @flat_array = []

justinko

Keybase proof

I hereby claim:

• I am justinko on github.
• I am jko170 (https://keybase.io/jko170) on keybase.
• I have a public key whose fingerprint is 01F0 22A4 834B B3C4 FF22 4029 EEF7 D932 65EA 5E49

To claim this, I am signing this object:

justinko

require 'rspec/autorun'

class RomanNumeralCalculator
  SYMBOL_MAPPING = {
    1 => 'I',
    4 => 'IV',
    5 => 'V',
    9 => 'IX',
    10 => 'X',
    40 => 'XL',

justinko

def merge_string(a, b)
  [a, b].map(&:size).max.times.with_object('') do |(index), output|
    [a, b].each {|var| output << (var[index] || '') }
  end
end

justinko

class DistributedMutex
  Blocked = Class.new(StandardError)

  DEFAULT_OPTIONS = {
    wait_timeout: 0,
    lock_timeout: 30,
    policy: :raise,
    ttl: 1.hour
  }

justinko

require 'benchmark'
def realtime(message = nil, count: 1, &block)
  results = []
  count.times { results << Benchmark.realtime(&block) }
  puts
  puts message if message
  puts results.sum / results.size.to_f
  puts
end

justinko

class ApiVersioning
  class Middleware
    def initialize(app)
      @app = app
    end

    def call(env)
      if version_number = extract_version_number(env)
        ApiVersioning.current_version_number = version_number.to_i
        Rails.application.eager_load! unless Rails.application.config.cache_classes

justinko

[3] pry(main)> streaming_json = StreamingJSON.new
=> #<StreamingJSON:0x007fe222b9d8e8
 @buffer=
  #<StreamingJSON::Buffer:0x007fe222b9d898
   @complete=[],
   @incomplete=[],
   @nesting=#<StreamingJSON::Buffer::Nesting:0x007fe222b9d7d0 @level=0>,
   @recording=false>>
[4] pry(main)> streaming_json[%({"a":)]
=> []

justinko

require 'mongoid'
require 'pp'

Mongoid.configure do |config|
  config.allow_dynamic_fields = false
  config.connect_to 'mongo_test', { consistency: :strong }
end

Mongoid.default_session.drop

justinko

--colour
-I app