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I'm not sure why this slide is blank It was blank when I got here and I'm afraid to change it Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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I'm going to start with a definition Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Definitions shape discussion Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Legacy code is code without tests — Michael Feathers Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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http://www.techdoneright.io/11 Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Legacy code is code where the context of its creation has been lost — Me! Me! Me! Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Is the solution More tests? More context? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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How does code become "legacy"? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Can we stop it? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Why don't we do things that would mitigate it? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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The Road To Legacy Is Paved With Good Intentions → Noel Rappin (@noelrap) → http://www.tablexi.com → http://techdoneright.io → http://www.noelrappin.com Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Michael Feathers knows that legacy code is about context Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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I'm not talking about technical debt Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Technical Debt is things that you know are wrong when you do them Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Legacy Tech Debt Bad At the time Good, or at least OK Bad, but we know why Bad Now Forgotten, but not gone Bill is due Bad Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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What is the problem with legacy code? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Change is expensive and risky Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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hidden dependencies Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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"Dependency" ➡ code problem "Hidden" ➡ context problem Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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I have a theory Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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The nature of complexity Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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3 to 15 5x the people 35x communications path Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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The amoeba in the jar Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Double every minute. Fill the jar in an hour Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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When is the jar half full? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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50% of the jar = 59 minutes Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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1 percent of the jar = 53 minutes (more or less) Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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How do you feel saying you need a new jar at the 53 minute mark? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Exponential complexity creeps up on you Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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And by the time you realize it it's too late Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Siloing Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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"Noel did the last money story, let him do the next one" Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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"Oh, Noel has all the context on money" Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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"Noel has left the project, what now?" Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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On some level, we know the solution Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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But you feel silly talking about what's coming with an empty jar Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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It feels like too much ceremony on small projects Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Failure or Overwhelmed? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Let's talk about process Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Process: Any activity on a software project that is communicating information about the project Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Standup Code Review Story Tracker Slack chat Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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You always have process Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Explicit process can be evaluated and improved Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Let's think about process not just across a single moment, but over time Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Can we use our process to better capture context? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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I know, we'll have a wiki! Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Make it easier to do the right thing than not Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Turnover Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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new member's first PR is updating the readme Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Document questions Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Departing members do an exit interview Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Siloing Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Pair programming Code review Code presentations Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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If an interesting question comes up in review, make it a comment Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Similar issues when development in bursts Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Don't have Dead Code Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Priority Shifts Developer Fads Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Don't Half-ass testing Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Upgrade Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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$$ Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Other things you could do Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Code retrospectives Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Video? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Outside of code, legacy is good Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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What is a legacy? It’s planting seeds in a garden you never get to see. — Lin-Manuel Miranda Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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So the answer to dealing with legacy is... Plant more seeds? Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap

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Noel Rappin (@noelrap) Table XI http://pragprog.com/book/nrwebpay http://pragprog.com/book/nrtest3 http://techdoneright.io/ Noel Rappin | The Road To Legacy Is Paved With Good Intentions | WCR 2017 | http://www.tablexi.com | @noelrap