eduard-io

#!/usr/bin/env ruby
require File.expand_path('../config/environment',  __FILE__)

eduard-io

class UseUtf8mb4Characterset < ActiveRecord::Migration
  def up
    # The migration has been done following:
    # - http://mathiasbynens.be/notes/mysql-utf8mb4#utf8-to-utf8mb4
    # - http://dev.mysql.com/doc/refman/5.5/en/charset-unicode-upgrading.html
    database = Rails.configuration.database_configuration[Rails.env]["database"]

    # Stop checking foreign keys
    execute "SET foreign_key_checks = 0"

eduard-io

#	$OpenBSD: ssh_config,v 1.26 2010/01/11 01:39:46 dtucker Exp $

# This is the ssh client system-wide configuration file.  See
# ssh_config(5) for more information.  This file provides defaults for
# users, and the values can be changed in per-user configuration files
# or on the command line.

# Configuration data is parsed as follows:
#  1. command line options
#  2. user-specific file

eduard-io

h = {a: 1, b: 2, c:3}
# => {:a=>1, :b=>2, :c=>3} 
a = h.flatten
# => [:a, 1, :b, 2, :c, 3] 
a.reverse!
# => [3, :c, 2, :b, 1, :a] 
a.shift(2)
# => [3, :c] 
a
# => [2, :b, 1, :a]