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2080 LIFE the search for efficiency SEUNGMINLEE #skelterlabs #masocon2018

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SKELTER LABS #codereview #codereview #codereview

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GERRIT git commit -m “Let there be code” git review

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CODE REVIEW #time #time #time

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WINDOWS AS A SERVICE Windows 10 is the last version of Windows with regular updates several times a year. However, many keep these unreliable updates at bay.

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THE PROBLEM #development_process #development_process #development_process

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WINDOWS OLD PROCESS Three iterations: prototype, real, real.

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4-6 months DESIGN
 & PLANNING

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1-2 months Not agile FEATURE
 DEVELOPMENT

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INTEGRATION 4 months Merge untested branches

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STABILIZATION 4 months Testing, bug reporting & fixing

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WINDOWS NEW PROCESS Takes 7-8 months instead of 2-3 years to improve response to customer and market needs.

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TECHINCAL DEBT Merge the bugs now. We’ll fix them later.

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THE FIX #high_expectations #high_expectations #high_expectations

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CODE REVIEW #time #time #time

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REALITY CHECK #time #cost #scope

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80/20 RULE Around 80 percent of the effects come from 20 percent of the causes.

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5 minutes per build max Distributed build system REDUCE
 BUILD TIME

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USE BRANCHES Predictable merges Git Flow

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STYLE JavaScript: ESLint Standard Vue.js: Strongly Recommended

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REVIEW Gerrit 100 lines of logic per commit max

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REFACTOR // TODO(name): Refactor VSCode extension: CodeMetrics

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TEST Unit testing: Mocha E2E testing: Cypress

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Continuous integration: TeamCity AUTOMATE
 BUILD & TEST

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COMMUNICATE Form a committee Document expectations

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THANK YOU Microsoft’s problem isn’t how often it updates Windows—it’s how it develops it ideas007@naver.com maso@chosunbiz.com