porras

http://www.mikeperham.com/2010/11/22/the-ruby-stdlib-is-a-ghetto/
http://architecturalatrocities.com/post/23659800703/the-ruby-standard-library-is-a-disgrace
http://apocryph.org/archives/579
http://devblog.avdi.org/2015/09/04/poll-whats-your-favorite-ruby-http-client-library/
http://www.jstorimer.com/pages/ruby-core-classes-arent-thread-safe
http://iamserg.io/writings/2014/queue-and-sized-queue/
http://blog.skylight.io/bending-the-curve-writing-safe-fast-native-gems-with-rust/
https://robm.me.uk/ruby/2014/01/25/pstore.html

http://www.rubydoc.info/stdlib/set

porras

require "./src/benchmark"

def repetition1(ary, times)
  ary = typeof(ary).new(ary.length * times)
  times.times do
    ary += ary
  end
  ary
end

porras

$ ~/Downloads/crystal-0.6.1-1/bin/crystal
Usage: crystal [command] [switches] [program file] [--] [arguments]

Command:
    build                    compile program file
    browser                  open an http server to browse program file
    deps                     install project dependencies
    docs                     generate documentation
    eval                     eval code
    hierarchy                show type hierarchy

porras

def comprehend(*enums)
  cycles = enums.map(&:cycle)

  Enumerator.new do |comprehended|
    loop do
      value = cycles.map(&:peek)
      value = yield value if block_given?
      comprehended << value
      (cycles.length - 1).downto(0) do |index|
        cycles[index].next

porras

class ObjectThatInsistsOnCallingRead
  def initialize(io)
    while s = io.read(10)
      print s
    end
  end
end

class WrapperToWhichYouCanWrite
  def initialize

porras

class Object
  def to_app
    lambda do |env|
      _, method, args = env['REQUEST_PATH'].split('/')
      [200, {}, [self.send(method, *args).to_s]]
    end
  end
end

class HelloWorld

porras

>> require 'date'
=> true
>> Date.today.next_month
=> #<Date: 2014-09-19 (4913839/2,0,2299161)>
>> Date.today.next_month - 1
=> #<Date: 2014-09-18 (4913837/2,0,2299161)>
>> Date.today.next_month -1
=> #<Date: 2014-07-19 (4913715/2,0,2299161)>

porras

class A
  private

  def self.a
    :a
  end
end

class B
  class << self

porras

irb(main):001:0> class A; private; attr_reader :a; end
=> nil
irb(main):002:0> A.new.a
NoMethodError: private method `a' called for #<A:0x007fbbca0403c0>
  from (irb):2
	from /Users/sergiogil/.rbenv/versions/1.9.3-p448/bin/irb:12:in `<main>'

porras

class FancyDSL
  def initialize(&block)
    instance_eval(&block)
  end

  def setup(value)
    @setup = value
  end
end