gr33n7007h

require 'fiddle/import'
include Fiddle::Importer

# Fiddle v:1.0.1

dlload
typealias 'VALUE', 'unsigned long long'

RBasic = struct [
  'VALUE flags',

gr33n7007h

def fdf(n)
  return 1 if n <= 2
  k = n >> 1
  a = fdf(k + 1)
  b = fdf(k)
  n % 2 == 1 ? (a * a + b * b) : (b * (2 * a - b))
end

gr33n7007h

def circle(radius: 10)
  0.step(to: radius << 1, by: 1) do |x|
    0.step(to: radius << 1, by: 1) do |y|
      dist = ((x - radius).abs2 + (y - radius).abs2) ** 0.5
      dist.between?(radius - 0.5, radius + 0.5) ? $> << ?. : $> << ' '
    end
    $> << $/
  end
end

gr33n7007h

>> puts RubyVM::InstructionSequence.compile('-2 ** 2').disasm
== disasm: #<ISeq:<compiled>@<compiled>:1 (1,0)-(1,7)> (catch: FALSE)
0000 putobject                              2                         (   1)[Li]
0002 putobject                              2
0004 opt_send_without_block                 <calldata!mid:**, argc:1, ARGS_SIMPLE>
0006 opt_send_without_block                 <calldata!mid:-@, argc:0, ARGS_SIMPLE>
0008 leave
=> nil
>> puts RubyVM::InstructionSequence.compile('-2.itself ** 2').disasm 
== disasm: #<ISeq:<compiled>@<compiled>:1 (1,0)-(1,14)> (catch: FALSE)

gr33n7007h

require 'socket'

TCP_STATES = {
  1 => :established,
  2 => :syn_sent,
  3 => :syn_recv,
  4 => :fin_wait1,
  5 => :fin_wait2,
  6 => :time_wait,
  7 => :close,

gr33n7007h

require 'open-uri'
uri = URI("https://i.imgur.com/NYPjmMN.jpg")

File.open('/path/you/want/to/save/image/blah.jpeg', 'wb') do |dest| 
  URI.open(uri) do |source| 
    IO.copy_stream(source, dest) 
  end
end

gr33n7007h

# create 10-monitor.conf in /etc/X11/xorg.conf.d/
# add these lines;

Section "Monitor"
    Identifier "VGA1"
    Modeline "1440x900_75.00"  136.49  1440 1536 1688 1936  900 901 904 940  -HSync +Vsync
    Option "PreferredMode" "1440x900_75.00"
EndSection

Section "Screen"

gr33n7007h

#!/usr/bin/env ruby

fizzbuzz = -> (n) {
  case [n % 3, n % 5, n]
  in 0, 0, _; "FizzBuzz"
  in 0, _, _; "Fizz"
  in _, 0, _; "Buzz"
  else n
  end
}

gr33n7007h

#!/usr/bin/env ruby

require 'open3'

TracePoint.trace(:call) do |tp|
  if tp.method_id == :capture3
    m = tp.self.method(tp.method_id)
    m.parameters.each do |_, param|
      puts "#{tp.method_id} called with #{tp.binding.local_variable_get(param)}"
    end

gr33n7007h

require 'fiddle/import'

class Object
  extend Fiddle::Importer

  RUBY_FL_SINGLETON = 1 << 12
  RBasic = struct ['uintptr_t flags', 'uintptr_t klass']

  private_constant :RUBY_FL_SINGLETON, :RBasic