maiha

% vi Thorfile
...
  desc "console ENV", "Start Monk console in the supplied environment"
  def console(env = ENV["RACK_ENV"] || "development")
    verify_config(env)
    exec "env RACK_ENV=#{env} irb -r init -Ku"
  end
...

% thor monk:console

maiha

# sinatra syntax is cool!

get "/users/:id" do
  @user = User.find(params[:id])
  haml :user
end

# become ugly when error handling is added

get "/users/:id" do

maiha

#!/usr/bin/ruby

require 'rubygems'
require 'rbench'
require 'find'

def glob(dir)
  hash = {}
  Dir.glob("#{dir}/**/*.rb") do |f|
    hash[f] = File.mtime(f) rescue next

maiha

# current

class App < Thor
  desc "install APP_NAME", "Install one of ..."
  def install(name)
    ...

# The first arg of desc is too redundant
# Because it can automatically be reflected in src like merb_args.
# Then we can get following code. Cool!

maiha

# example for usage-completions
# using http://github.com/maiha/thor/
# compare: http://github.com/maiha/thor/tree/complete-usage

class Rails < Thor
  desc "Open console via irb"
  def console(env = 'development')
    system("ruby script/console #{env}")
  end
end

maiha

# kyotocabinet: 0.9.9
# kyotocabinet-ruby: 1.1

# integer with ファイルハッシュDB
KyotoCabinet::DB.process('casket.kch'){|db|
  db['foo'] = 1
  p db['foo']
  # => "1"
}

maiha

% echo $PATH
/data/apps/maglev/bin:/home/maiha/bin:/usr/local/bin:/usr/bin:/bin

% echo $MAGLEV_HOME
/data/apps/maglev

% cd $MAGLEV_HOME

/data/apps/maglev% rake maglev:start
startstone[Info]: Starting Stone repository monitor "maglev".

maiha

% irb -r rubygems -r manga_helpers
irb(main):001:0> MangaHelpers.titles.naruto.chapters.latest.download.url
=> "http://media5.mangahelpers.com/download/manga-releases/a110..."

maiha

.
|-- app
|   |-- controllers
|   |   `-- Application.scala
|   |-- models
|   `-- views
|       |-- Application
|       |   `-- index.html
|       |-- errors
|       |   |-- 404.html

maiha

/*
 「sealedの存在意義」とされている理由

 1. パターンマッチでの被覆性(網羅性)を保証したい
 2. ML はコンパイラで検出できる
 3. Scala ではできない (型推論が弱い、と言われる理由もここ？)
 4. sealed をつけると検出できるようにした
*/

// 例 # via http://d.hatena.ne.jp/kmizushima/20091229/1262091617