Radosław Bułat radarek

See https://www.youtube.com/watch?v=4_RJu_TrqO0&feature=youtu.be&t=8h6m40s

$ ruby dilute.rb fib.rb
def fi  n
  if n < 3
    1
  else
    fib(n-1  +  ib(n
 end

What is the problem?

How to execute file in irb/pry session and use its local variables.

https://www.reddit.com/r/ruby/comments/43nlxh/how_do_you_read_commands_from_file_in_a_pry/

IRB

$ irb

Solution (code golf) to the "Coat of Many Colours" challenge

Challenge: Coat of Many Colours

Note Do not copy the solver code directly fron the website. It contains binary data (unprintable characters), thus copying and pasting will probably corrupt data. Use generator (see belo) or download solver to the disk and then run.

Usage

Generating solver:

	require "spec_helper"

	describe Solver do
	let(:solver) { subject }

	describe "#number_to_words" do
	it "converts given number to its words representation" do
	expect(solver.number_to_words(0)).to eq "zero"
	expect(solver.number_to_words(1)).to eq "jeden"
	expect(solver.number_to_words(2)).to eq "dwa"

	defmodule ExUnit.Lets do
	defmacro __using__([]) do
	quote do
	import ExUnit.Lets
	end
	end

	defmacro let(name, expr) do
	if match?([do: _], expr) do
	expr = expr[:do]

	def count_nodes(label)
	before = ObjectSpace.count_objects
	yield
	after = ObjectSpace.count_objects

	puts " #{label} created T_NODE: %d" % (after[:T_NODE] - before[:T_NODE])
	end

	class MyClass
	include Enumerable

	class Hello {
	public static String helloString = "Hello World!";

	public static void main(String[] args) {
	System.out.println(helloString);
	foo();
	}

	public static void foo() {
	System.out.println("Foo called");

	wget -qO - https://download.sublimetext.com/sublimehq-pub.gpg \| sudo apt-key add -
	sudo apt-get install apt-transport-https
	echo "deb https://download.sublimetext.com/ apt/stable/" \| sudo tee /etc/apt/sources.list.d/sublime-text.list
	sudo apt-get update
	sudo apt-get install sublime-text

	require 'benchmark'

	N = 1_000_000

	def dowork
	N.times do
	a = "1"
	end
	end