ohnishiakira

for cmd in $(ruby -e 'print "irb".split(//).permutation(3).map(&:join).join(" ")')
do
  alias $cmd="pry"
done

ohnishiakira

#!/usr/bin/env ruby
# coding: utf-8

require "forwardable"
require "csv"

require "MeCab"

class Mecab
  def self.wakati

ohnishiakira

#!/usr/bin/env ruby
# coding: utf-8

class Hoge
  FUGA = "fuga"
end

hash = {hoge: Hoge}

p hash[:hoge]::FUGA #=> "fuga"

ohnishiakira

#!/usr/bin/env ruby
# coding: utf-8

hash = [
  {hoge: {fuga: 3}},
  {hoge: {homu: 5}},
  {fuga: {hoge: 4}},
  {fuga: {pero: 6}}
]
 

ohnishiakira

#!/usr/bin/env ruby
# coding: utf-8

require "date"

def default_time(now=DateTime.now)
  @default_time ||= now
end

module ShowDefaultTime

ohnishiakira

#!/usr/bin/env ruby
# coding: utf-8

require "csv"

rows = [
  [nil, "ほげ"],
  ["", "ほげ"]
]

ohnishiakira

#!/usr/bin/env ruby
# coding: utf-8

require 'pp'
require 'date'

def each_by_time(a, b)
  min_count = ((b - a) * 24*60).to_i + 1

  min_count.times.map{|t|

ohnishiakira

#!/usr/bin/env ruby
# coding: utf-8

flag  = true
array = [1,2,3]

# array.include?(3) だと動く
if flag && array.include? 3
  p 'ok'
end

ohnishiakira

#!/usr/bin/env ruby
# coding: utf-8

def levenshtein(a, b)
  (0..a.size).inject([[*0..b.size+1]]){|d, i|
    d << (0..b.size).inject([i+1]){|_d, j|
      _d << [
        d[i][j+1] + 1,
        _d[j] + 1,
        d[i][j] + (a[i]==b[j] ?0:1)

ohnishiakira

"た゛くてんか゛ふ゛んりされてるもし゛".gsub("\u309B", "\u3099").gsub("\u309C", "\u309A").encode("UTF-8", "UTF-8-MAC")
# => "だくてんがぶんりされてるもじ"