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
8.5k
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
370
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
780
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
1.4k
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
Running Kotlin + Quarkus with Lambda
nealle
1
3.7k
「事実」を「計測」して、「解釈」する 〜AWS Lambdaのメモリ最適解の見つけ方〜
maimyyym
0
170
Benchmarking Disaggregated Serving on vLLM + Dynamo with a Real Coding-Agent Workload
nttcom
1
190
Classmethod Company Deck
satoshi7
1
680
Tofu-Controller lightning talk @ Containerday 2026
gionn
0
110
Kiro Crewをはじめよう
kizawa2020
1
160
AIカンパニーへの転換を支えた、エンジニアの仕事の再定義
kworkdev
PRO
2
1.2k
日本語に強いオープンな大規模言語モデル「LLM-jp」
odashi
4
1.1k
初海外で注意すべきこと12選!!!安全快適なre:invent生活にするために
yuuuuuuu168
1
160
M5Stackで作る BLEマウス GPSログの世界
tomokusaba
0
420
AI導入は済んだ。次は統制を作り替える番だ_AI×開発組織 Summit 2026
techtekt
PRO
0
210
パスキーの自動テストはどこまでいけるのか
teamlab
PRO
0
200
Featured
See All Featured
Building the Perfect Custom Keyboard
takai
2
910
Evolving SEO for Evolving Search Engines
ryanjones
0
330
XXLCSS - How to scale CSS and keep your sanity
sugarenia
250
1.3M
SEO Brein meetup: CTRL+C is not how to scale international SEO
lindahogenes
2
2.9k
Mobile First: as difficult as doing things right
swwweet
225
10k
brightonSEO & MeasureFest 2025 - Winning Strategies for Black Friday CRO & PPC - Christian Goodrich
cargoodrich
3
870
Designing for Timeless Needs
cassininazir
1
530
4 Signs Your Business is Dying
shpigford
187
23k
How to make the Groovebox
asonas
2
2.5k
Game over? The fight for quality and originality in the time of robots
wayneb77
1
300
Utilizing Notion as your number one productivity tool
mfonobong
4
620
SEO for Brand Visibility & Recognition
aleyda
0
4.8k
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