kkuchta

# A wrapper class that defines ".again", but passes through all other methods to
# the wrapped class.
class AgainWrapper < BasicObject
  def initialize(wrapped_object, again_method)
    @again_method = again_method
    @wrapped_object = wrapped_object
  end
  def again
    @wrapped_object.send(@again_method)
  end

kkuchta

require 'syntax_tree'

# Create a node visitor that walks the syntax tree looking for blocks.
class BlockFinder < SyntaxTree::Visitor
  attr_reader :first_block
  visit_method def visit_do_block(node)
    puts "found a brace block node!"
    @first_block ||= node
    # Don't traverse further
  end

kkuchta

`gem install -i /tmp/tmpgems --no-document pry-byebug`
Dir['/tmp/tmpgems/gems/*'].each { |gem| $LOAD_PATH << (gem + '/lib') }
require 'pry-byebug'

kkuchta

require 'pry-byebug'

module ListComprehension
  def self.execute(block)
    context = OuterBlockContextClass.new

    # Set up variables + blocks
    context.instance_eval(&block)

    # evaluate the comprehension

kkuchta

require 'erb'

class Note
  def initialize(qvnote)
    @root_dir = qvnote
  end

  def parse
    cell_string = cells.map do |cell|
      case cell['type']

kkuchta

console = Object.new
def console.log(*x)
  puts x.map(&:to_s).join(',')
end

class Object
  def method_missing(*args)
    return args[0]
  end
end

kkuchta

const MIN = { x: -2, y: -1 }, MAX = { x: 1, y: 1 };
const WIDTH = HEIGHT = 1000;

function getEscapeCount(c) {
  let z = { a: 0, b: 0 };
  for (let i = 0; i < 100; i++) {
    if (Math.pow(z.a, 2) + Math.pow(z.b, 2) > 4) return i;
    z = { a: Math.pow(z.a, 2) - Math.pow(z.b, 2) + c.a, b: z.a * z.b + c.b };
  }
}

kkuchta

ffmpeg -i audio.mp3 -f image2 -loop 1 -r 25 -i image.jpg -shortest -vcodec libx264 -acodec aac out.mp4

kkuchta

class Echoer
  def call(env)
    request = Rack::Request.new(env)
    puts '---'
    puts request.body.read
    return [200, {}, ['ok']]
  end
end

run Echoer.new

kkuchta

class Echoer
  def call(env)
    request = Rack::Request.new(env)
    puts '---'
    puts request.body.read
    return [200, {}, ['ok']]
  end
end

run Echoer.new