apeiros

# Encoding:         UTF-8
# Column-Separator: |
# Record-Separator: auto

# Name:    items
# Headers: true
ID | Name  | Price   | Inventory
 1 | Watch |   2.99$ | 50
 2 | Table | 119.99$ | 12
 3 | Chair |  49.99$ | 19

apeiros

# Same result for the same IBM437 character - whether it's utf-8 or IBM437 encoded at input
JSON.parse(JSON.dump(["\u2561".encode('IBM437')])).first.unpack("U*") # => [9569]
JSON.parse(JSON.dump(["\u2561"])).first.unpack("U*") # => [9569]

apeiros

Encoding:         UTF-8
Column-Separator: 7c
Record-Separator: 0a

Name:    items
Headers: true

"ID" | "Name"    | "Price"  | "Inventory"
   1 |   "Watch" |     2.99 | 50
   2 |   "Table" |   119.99 | 12

apeiros

module LayoutHelper
  ActionMapping   = {
    'create' => 'new',
    'update' => 'edit',
  }

private

  def rendered_action
    @_rendered_action ||= begin

apeiros

module Enumerable
  def compacting
    return enum_for(__method__) unless block_given?

    result = []

    each do |value|
      next if value.nil?
      result << value
      yield(value)

apeiros

class Object
  def class_call(*args, &block)
    self.class.__send__(caller_locations(1,1).first.label, *args, &block)
  end
  def class_method(name=caller_locations(1,1).first.label)
    self.class.method(name)
  end
  def class_send(name=caller_locations(1,1).first.label, *args, &block)
    self.class.__send__(name, *args, &block)
  end

apeiros

class Object
  def class_call(*args, &block)
    self.class.__send__(caller_locations(1,1).first.label, *args, &block)
  end
end

class Foo
  def self.bar
    "bar"
  end

apeiros

module A
  X = 1
end
module A
  class B
    def self.x
      X
    end
  end
end

apeiros

## file a.rb
module A
  X = 1
end

## file a/b.rb
module A
  class B
    def self.x
      X

apeiros

class String
  def match_all(regex)
    if block_given?
      scan(regex) { yield $~ }
    else
      enum_for(:scan, regex).map { $~ }
    end
  end
end