Points of View - Speaker Deck

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Points of View @rosylilly

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What’s this?

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wow!!

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Points of View @rosylilly

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@rosylilly CTO / Magnet

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1. Modeling

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If it walks like a duck and quacks like a duck, it must be a duck

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QUACK!!!! Duck?

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Duck Pigeon Border Coo Coo Coo Coo Quack Quack Quack

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Duck Pigeon If it walks like a *** and flies like a ***, it must be a ***

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Bird

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If it be born like a *** and dies like a ***, it must be a ***

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Living Thing T h e A n y t h i n g G o e s

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Let’s seek just the right border Coo Coo Coo Coo Flies Walks Eats Runs Dies Be Born Pigeon

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2. Viewpoint

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Who are your users?

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Click Me What happens?

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Transfer Money Show Logs Show Amounts

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Transfer Money Show Logs Show Amounts SCARY!!!!

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Developer User

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Communication

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Observation

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Newbie

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ProTips: Marriage

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Third Person

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First Person

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3. Interaction

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Anemic Domain Model ?

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Hyperemic Domain Model !

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Pigeon Pigeon

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Seller Buyer

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Giver Receiver

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Speaker Listener

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User Giver Receiver Seller Buyer Listener Speaker

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Item Recover Accessory Weapon Protector Helmet Boots

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Classify and Divide

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4. Context

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User Giver Receiver Seller Buyer Listener Speaker

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Seller Buyer

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Seller Buyers

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Buyer Sellers Sellers Sellers Sellers Sellers

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Look the borders of contexts

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5. Mental Model

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(3&&

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VS Microsoft Apple

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VS Window Apple

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6. DCI

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YOU ARE READY

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Data

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Context

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Interaction

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7. in REAL WORLD

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WE ARE READY

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BluePrint IUUQTHJUIVCDPNNBHOFUJODCMVF@QSJOU

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class StaffContext < BluePrint::Context active_if do |env| current_user.try(:staff?) end end Context

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# app/blue_prints/staff_context/staff_user.rb module StaffContext::StaffUser extend BluePrint::Behavior ! def user_name; "staff"; end end ! # app/models/user.rb class User < ActiveRecord::Base def user_name; "#{name} san"; end end ! user = User.new(name: "Magnet") StaffContext.deactivate! user.user_name # => "Magnet san" StaffContext.activate! user.user_name # => "staff" Interaction

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GOT AXES?