irridescentrambler

require 'net/http'
require 'uri'
require 'async'
require 'benchmark'

bm = Benchmark.measure("Asynchronous flow") do
  Async do
    results = 21.times.map do |url|
      Async do
        Net::HTTP.get_response(URI("https://dog.ceo/api/breeds/image/random"),)

irridescentrambler

worker = nil

manager = Fiber.new do |work_for_manager|
  puts "Manager starting the work"
  puts "Doing the work...(Manager)"
  puts work_for_manager
  puts "Ending the work..(Manager)"
  worker.transfer("Do this now - Manager")
  puts "Approving - Manager"
  puts "Manager logging off"

irridescentrambler

fiber = Fiber.new do
    n = 1
    while n <= 30 do
        Fiber.yield (1..n).inject(&:*)
        n = n + 1
    end
end

while fiber.alive?
  puts fiber.resume

irridescentrambler

import { React } from 'react';
import Axios from 'axios';

class Demo extends React.Component{
  initialize(){
    this.state = {
      userInput: nil,
      employees: [],
      status: nil
    }

irridescentrambler

class Human
  attr_accessor :first_name, :last_name
  
  def initialize(first_name, last_name)
    @first_name = first_name
    @last_name = last_name
  end
  
  def full_name
    "#{first_name} #{last_name}"

irridescentrambler

[1,2,3,4,5].method(:length).source_location
#=> nil

"Ruby".method(:concat).source_location
#=> nil

class Array
  def subset?(sub_array)
    sub_array.each do |element|
      return false unless self.include?(element)

irridescentrambler

module Configurable
  def is_a
    wrapper(true)
  end

  def is_not_a
    wrapper(false)
  end

  private

irridescentrambler

require 'active_record'

ActiveRecord::Base.method(:new).owner
#=> ActiveRecord::Inheritance::ClassMethods

ActiveRecord::Base.method(:create).owner
#=> ActiveRecord::Persistence::ClassMethods

ActiveRecord::Base.method(:update).owner
#=> ActiveRecord::Querying

irridescentrambler

# A simple class in Ruby
class Human
  def introduce
    "Hi, I am a #{self.class.name}"
  end
end

Human.ancestors
#=> [Human, Object, Kernel, BasicObject]
# Object is present in Human class's ancestor tree.

irridescentrambler

class A
end

class B < A
end

class C < B
end

A.descendants