Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
DCI and the application builds our mental models
Search
Shintaro Kakutani
September 16, 2012
Technology
8.6k
15
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
DCI and the application builds our mental models
Sapporo RubyKaigi 2012 #sprk2012
Shintaro Kakutani
September 16, 2012
More Decks by Shintaro Kakutani
See All by Shintaro Kakutani
「ピッケル本」日本語版は4.0(第6版)が出版されるべき / pickaxe4-nagoyark05
kakutani
2
440
えにしテック、あるいは人間関係のエクササイズ / #enishitech-15th-anniv
kakutani
10
7.3k
(Software) Development with Agility
kakutani
4
1.2k
KeebKaigi Strikes!!!q
kakutani
0
800
Ruby30周年イベント オープニング / Ruby30th Opening
kakutani
3
1.8k
Above All, Make It Fun! #fjordbootcamp / make it fun
kakutani
8
1.5k
Agile Manifesto Decade Resurrections
kakutani
4
3.9k
『達人プログラマー 第2版』/ Pragmatic Programmer 2nd Ed.
kakutani
7
9.8k
『ユニコーン企業のひみつ』とスケーリングの考えかた / #AgileLounge 20220204
kakutani
5
5.7k
Other Decks in Technology
See All in Technology
Claude Codeで作ったアプリを安全に公開する/Built with Claude Japan 2026
yoshidashingo
0
230
プロダクションコードにおける encoding/json から encoding/json/v2 へのスムーズな移行
sansantech
PRO
1
250
2026 Apache Flink Community Checkpoint
rmetzger
0
210
AWS Quick 入門 | 目指せ Quick マスター 01
inariku
PRO
2
290
Kiro 入門 (1 つのエージェントを、どの画面からでも) | 目指せ Kiro マスター 01
inariku
PRO
6
1.5k
The Author Pays
hiccupps
0
150
コードレビューをなくして見えたもの
henteko
0
150
業務でAWSをあまり使っていない私が、AWSへのモチベを保つ方法
smt7174
0
190
Cloudflareの向き先
chimame
1
170
81天的 AI Agent 軟體開發團隊治理實務分享
regionbbs
0
150
[dbts2026]数十PBの超巨大データ×AI活用を支えるSnowflakeの実力〜大規模環境におけるアーキテクチャと運用のリアル〜
y_matsubara
0
130
JAWSコミュニティに 参加して1年経った結果
ssakita
0
120
Featured
See All Featured
How to build a perfect <img>
jonoalderson
1
6.2k
SEO Brein meetup: CTRL+C is not how to scale international SEO
lindahogenes
2
3k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
128
56k
16th Malabo Montpellier Forum Presentation
akademiya2063
PRO
0
460
A Soul's Torment
seathinner
8
3.9k
The #1 spot is gone: here's how to win anyway
tamaranovitovic
4
1.2k
Primal Persuasion: How to Engage the Brain for Learning That Lasts
tmiket
0
520
Navigating the Design Leadership Dip - Product Design Week Design Leaders+ Conference 2024
apolaine
2
510
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
auna
0
350
Measuring & Analyzing Core Web Vitals
bluesmoon
9
1.1k
Navigating the moral maze — ethical principles for Al-driven product design
skipperchong
2
680
Being A Developer After 40
akosma
PRO
92
590k
Transcript
֯୩৴ଠ KAKUTANI Shintaro; Ruby-no-kai,Eiwa System Management,Inc. Ұൠࣾஂ๏ਓຊ3VCZͷձ ג ӬγεςϜϚωδϝϯτ TIJOUBSP!LBLVUBOJDPN
ࡳຈ3VCZձٞ 4VO %$* BOEUIFBQQMJDBUJPOCVJMET PVSNFOUBMNPEFMT
http://gihyo.jp/news/report/01/sapporo-rubykaigi2012/00b4
None
taken from igaiga’s flickr @kakutani
Ruby Evangelist
http://www.pragprog.com/titles/jtrap/the-agile-samurai
http://www.amazon.co.jp/o/ASIN/4274068560/kakutani-22
None
He is the Agile Samurai, so I’m a...
None
http://www.deos.co.jp/hojokoza
http://www.deos.co.jp/hojokoza
http://www.slideshare.net/snoozer05/20101204-youmustunlearnwhatyouhavelearned/61
http://www.amazon.co.jp/o/ASIN/4798124583/kakutani-22/ref=nosim/
None
None
None
ఏɹڙ ͓͔͛͞·Ͱ̏̌प ใԽٕज़Λ௨ͯࣾ͡ձͱڞੜ͢Δ
http://estore.ohmsha.co.jp/
None
None
W E A R E H I R I N
G : R u b y i s t A N D Agile Designer https://github.com/esminc/jobs ( W A N N A B I E S ) ( W A N N A B I E S )
Asakusa.rb http://www.flickr.com/photos/takkanm/3978417669
݄࣌ ॴਂߐށࢿྉؗখܶ Ӧେߐށઢਗ਼നՏӺెา ࢀՃඅ༻༗ྉ ఆһd໊ جௐߨԋ!BNBUTVEB !@LP
ر ӡӦ"TBLVTBSC ࣮ߦҕһ!LBLVUBOJ IUUQSFHJPOBMSVCZLBJHJPSHPFEP ͜Ε"TBLVTBSCͷ ճͷNFFUVQͳΜͩΑ
None
None
https://twitter.com/kakutani/status/209815868325117952
Thanks to everyone who retweeted my tweet <3
5IF3VCZ,BJHJ3JTFT ֯୩৴ଠ KAKUTANI Shintaro; Ruby-no-kai,Eiwa System Management,Inc. Ұൠࣾஂ๏ਓຊ3VCZͷձcc ג ӬγεςϜϚωδϝϯτ
!LBLVUBOJ LBLVUBOJ!SVCZLBJHJPSH TokyuRubyKaigi05, 2012-07-29(Sun)
K A I G I
THE RUBYKAIGI 2013 May 30 (Thu) - June 1 (Sat)
Tokyo, Japan
[email protected]
http://rubykaigi.org
֯୩৴ଠ KAKUTANI Shintaro; Ruby-no-kai,Eiwa System Management,Inc. Ұൠࣾஂ๏ਓຊ3VCZͷձ ג ӬγεςϜϚωδϝϯτ TIJOUBSP!LBLVUBOJDPN
ࡳຈ3VCZձٞ 4VO %$* BOEUIFBQQMJDBUJPOCVJMET PVSNFOUBMNPEFMT
James O.Coplien
We’ve already had nice resources on the net...
http://www.amazon.co.jp/o/ASIN/0470684208/kakutani-22/ref=nosim/
http://objectsonrails.com/
http://clean-ruby.com/
http://rubysource.com/dci-the-evolution-of-the-object-oriented-paradigm/
http://dci-in-ruby.info/resources.html
http://mikepackdev.com/blog_posts/24-the-right-way-to-code-dci-in-ruby
...and @apotonick!!!11
ιϑτΣΞ Ͳ͜ʹ͋Δͷ͔
ιϑτΣΞ಄ͷͳ͔ʹ͋Δ
ΤϯυϢʔβʔͷ ϝϯλϧϞσϧΛ ιʔείʔυͱͯ͠ දݱ͢Δ
গͣͭ͠ɺ ܁Γฦ͠ͳ͕Β ҭ͍ͯͯ͘
Software Development as Learning Process
“Agile”
ςετۦಈ։ൃ
ΦϒδΣΫτࢦઃܭ
దͳ໊લͷ͍ͭͨ ίʔυΛదͳॴʹ ஔ͘͜ͱ
Ruby
✓ Agile Style Workflow ✓ Test Driven Development ✓ Object-Oriented
Design ✓ Ruby
ιϑτΣΞ಄ͷͳ͔ʹ͋Δ
http://www.amazon.co.jp/o/ASIN/4798124583/kakutani-22/ref=nosim/
None
We’re on the same rails http://pixdaus.com/single.php?id=104150
http://guides.rubyonrails.org/getting_started.html
http://guides.rubyonrails.org/getting_started.html#the-mvc-architecture
HTTP: Hyper TEXT Transfer Protocol
http://martinfowler.com/eaaCatalog/activeRecord.html
Active Record is a pattern for persistence
Rails doesn’t save YOUR Applications! (it’s an awesome FRAMEWORK!)
http://www.flickr.com/photos/essgee/2477102230/ Recap ‘Common Pitfalls’ @ursm mentioned yesterday
✓ Helpers don’t help up ✓ Partials are just partial,
Not parts ✓ Too Fat to be a model
✓ Helpers don’t help up ✓ Partials are just partial,
Not parts ✓ Too Fat to be a model
Too Fat to be a model
None
DCI Data-Context-Interaction
✓ Data: AR ✓ Context: (Ba) Playing field for “objects”
✓ Interaction: Role Object#extend / refinements?
http://mikepackdev.com/blog_posts/24-the-right-way-to-code-dci-in-ruby
✓ Data: AR ✓ Context: “Activities” ✓ Interaction: Modules Poor
man’s DCI: you should check the talk given by @ursm yesterday, thanks!
None
http://qa.atmarkit.co.jp/
✓ Agile Style Workflow ✓ Test Driven Development ✓ Object-Oriented
Design ✓ Ruby
Rails doesn’t save YOUR Applications! (it’s an awesome FRAMEWORK!)
ΤϯυϢʔβʔͷ ϝϯλϧϞσϧΛ ιʔείʔυͱͯ͠ දݱ͢Δ
ιϑτΣΞ಄ͷͳ͔ʹ͋Δ