welcome to the desert of the real

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角谷 信太郎 KAKUTANI Shintaro; Nihon Ruby-no-kai; Eiwa System Management,Inc. 日本Rubyの会 (株)永和システムマネジメント [email protected] 札幌市産業振興センター; 札幌Ruby会議02; 2009-12-05(Sat) Welcome to The Desert of The Real 現実世界の砂漠へようこそ

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Page 1: Welcome To The Desert Of The Real

角谷 信太郎KAKUTANI Shintaro; Nihon Ruby-no-kai; Eiwa System Management,Inc.

日本Rubyの会(株)永和システムマネジメント [email protected]

札幌市産業振興センター; 札幌Ruby会議02; 2009-12-05(Sat)

Welcome to The Desert of The Real現実世界の砂漠へようこそ

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Where are you from?

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皆さん

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Rubyistの皆さん

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Rubyist

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Ruby Hacker

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http://decade.capsctrl.com/

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狭義のRubyistの皆さん

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今日いちばんテクニカルじゃないセッション

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今日のお話

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Ruby

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Photo by ionushi:http://www.flickr.com/photos/ionushi/1041311342/

Takethe Red Pill

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“現実”の砂漠へようこそ

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Yes, the world is crazy.

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“You must be the changeyou want to see in the world.

http://fr.wikipedia.org/wiki/Fichier:MKGandhi.jpg

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2008.10.25

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The Matrix

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Photo by ionushi:http://www.flickr.com/photos/ionushi/1041311342/

Takethe Red Pill

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Ruby

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http://www.randomfractals.com/Flickorama/Flickorama.html

RubyKaigi 2009

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Photo by James Duncan Davidsonhttp://www.flickr.com/photos/x180/505480123/

TimBrayat RubyWorld Conference 2009in Matz-e, Japan

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BruceA.Tateat RubyWorld Conference 2009in Matz-e, Japan

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http://merbist.com/2009/11/09/the-ruby-revolution-is-over/

The Ruby Revolution is over

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“The real paradigm shift is in the fact that Ruby was designed to make programming fast, enjoyable and easy instead of being optimized for the machines running it.

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Photo by ionushi:http://www.flickr.com/photos/ionushi/1041311342/

Takethe Red Pill

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http://merbist.com/2009/11/09/the-ruby-revolution-is-over/

The Ruby Revolution is over

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Welcome to The Desertof The Real

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“現実”の砂漠へようこそ

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Welcome to the Desert of the Real✓ 仕事?, “大規模”?✓ “生産性”?✓ “安定”, “安心”?✓ ドキュメント?✓ コミュニティ?

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とちぎでの某有料Rubyカンファレンスで語られた、“エンタープライズRails”の真実

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0

0.2

0.4

0.6

0.8

1.0開発工数の比較

Java Ruby

0.75

CLASSIFIED

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Java

Ruby

0 0.25 0.50 0.75 1.00

プロジェクト全体の工数割合

要件定義・設計 開発 テスト

0.4

0.3

CLASSIFIED

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10%

30%60%

A証券での開発案件数比率

保守開発 緊急対応 新規開発CLASSIFIED

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エンタープライズRubyの真実

•工数削減効果は10%ほどにすぎない•新規開発案件数は10%ほどにすぎない•Rubyの導入によるコスト削減は1%(工数と案件数は比較できないのでこれは数字のマジック)

➡Rubyを導入する合理的な理由はない

CLASSIFIED

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愛こそはすべてCLASSIFIED

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F*CK THE ENTERPRISE

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You have some skill ...

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HACK THE ENTERPRISE

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JeremyKemper

at RubyWorld Conference 2009in Matz-e, Japan

http://www.tbray.org/ongoing/When/200x/2009/09/13/Shimane-Rubyworld-Conference

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Aaron Quint

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コミュニケーションギャップ

✓ 日本語と英語 ✓ RubyとRails✓ “たのしい”と“勤勉”

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Welcome to The Desertof The Real

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Welcome to the Desert of the Real✓ 仕事?, “大規模”?✓ “生産性”?✓ “安定”, “安心”?✓ ドキュメント?✓ コミュニティ?

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Yes, the world is crazy.

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“You must be the changeyou want to see in the world.

http://fr.wikipedia.org/wiki/Fichier:MKGandhi.jpg

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Asakusa.rb

http://www.flickr.com/photos/takkanm/3978417669

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コミュニケーションギャップ

✓ 日本語と英語 ✓ RubyとRails✓ “たのしい”と“勤勉”

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http://www.tbray.org/ongoing/When/200x/2009/09/13/Shimane-Rubyworld-Conference

“Ruby1.9.2は良いリリースになると思う

Koichi Sasada

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Asakusa.rb✓ いつもお世話になっているRubyの開発に絡みたい

✓ Ruby1.9 & Rails✓ RubySpec✓ rvm

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Questions?

@yugui

@darashi

@a_matsuda

@kakutani

In Easy English, Japanese,or Ruby please :)

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http://www.flickr.com/photos/tmaedax/4128569692/

@kakutani

@a_matsuda @darashi @yugui

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http://www.flickr.com/photos/kakutani/4127356181/

Jeremy Kemper Akira Matsuda

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http://www.flickr.com/photos/tmaedax/4128579796/

Brian Ford

ko1 Matz

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日本Rubyの会http://jp.rubyist.netNihon Ruby-no-kai

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http://www.flickr.com/photos/tmaedax/3845208228/

“RubyやRubyに携わっている人たちから頂いたものを日本Rubyの会という繋がりの中で少しでも多く返していけるよう、精一杯努力していこうと思っています。

島田浩二

http://blog.stco.info/?eid=875724

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✓ るりま✓ Rubyリファレンスマニュアル刷新計画

✓ るびま✓ Rubyist Magazine

✓ 日本Ruby会議✓ 地域Ruby会議

プロジェクト

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http://rubykaigi.org/2010/

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Aug 27-29 2010@Tsukuba,

Ibaraki,Japan

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テーマ

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Conflictsand Resolutions

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We’d like to make RubyKaigi moreinternational

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non-JapaneseAttendees:

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Japanese non-Japanese

RubyKaigiAttendees

Ratio

2006 2007 2008 2009

~246 ~400 ~544 ~654

~5~10

~20~50

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You have some skill ...

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まとめ

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Ruby

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Photo by ionushi:http://www.flickr.com/photos/ionushi/1041311342/

Takethe Red Pill

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“現実”の砂漠へようこそ

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Yes, the world is crazy.

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“You must be the changeyou want to see in the world.

http://fr.wikipedia.org/wiki/Fichier:MKGandhi.jpg

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You have some skill ...

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Welcome to the Desert of the Real✓ 仕事?, “大規模”?✓ “生産性”?✓ “安定”, “安心”?✓ ドキュメント?✓ コミュニティ?

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Welcome to The Desertof The Real

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ご清聴ありがとうございました