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RubyConfBR 2017 summary of some of the presentations
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ruby_conf_br_2017.md

Bundler 2.0

  • Slowly being introduced as bundler starts to show it's age
  • Already working well and coming out of beta
  • Caching (github, gem, ext)
  • Multi-source (now safe to do)
  • No more platform issues (win vs linux vs unix)
  • We should prepare to migrate soon

https://speakerdeck.com/segiddins/bundling-bundler-2-dot-0 https://pt-br.eventials.com/locaweb/bundling-bundler-2-0-com-samuel-giddins/

What I learned during my journey into the Ruby community

  • Size estimation is worthless
  • Measure Lead time (Time to Release)
  • Break things into small chunks (always manage the size of things) max medium complexity, max medium uncertainty
  • limit WIP (like in a manufactory)
  • what is more important is specs / testing is legibility
  • mind yourself about costs of tests (ui slow, pricy vs unit
  • use DI (discrete integration) which means integrate when it's ready
  • Graphql is no silver bullet like REST was also not one ~2010
  • There is no technical problems, only behavioral / organizational problems
  • Groupthink (don't be individualist)

(pt_BR) https://speakerdeck.com/georgeguimaraes/aprendizados-numa-jornada-dentro-da-comunidade-ruby-at-rubyconf-br-2017 https://pt-br.eventials.com/locaweb/aprendizados-de-uma-jornada-dentro-da-comunidade-ruby-com-george-guimaraes/

Metaphors Are Similes. Similes Are Like Metaphors (Coraline Ada Ehmke)

  • Language matters more than you think. And the more you think, the more you need language.
  • To understand more, please watch this great talk.

https://pt-br.eventials.com/locaweb/metaphors-are-similes-similes-are-like-metaphors-com-coraline-ada-ehmke/

Software verification (José Valim)

  • Static verification
    • Code formatters (use if possible) - Prettier (JS)
    • Code inspectors, linters (Rubocop)
    • Other static verifications
  • Other types of tests
    • Test based on Properties: How to test all examples? Test random inputs (rantly-rb)

(pt_BR) https://pt-br.eventials.com/locaweb/software-verification-com-jose-valim/

Who we are and where we are going: The future of the Ruby community (Rafael França)

  • Open Source Friday
  • Giving back to the community

(pt_BR) https://pt-br.eventials.com/locaweb/who-we-are-and-where-we-are-going-the-future-of-the-ruby-community-com-rafael-franca/ https://speakerdeck.com/rafaelfranca/o-futuro-da-comunidade-ruby

Other things worth mentioning

  • Rack 3.0 will come out
  • Ruby 3x3 (Jit, Guilds and many improvements towards this goal)
  • Alternatives to Ruby such as Crystal (super fast, somewhat compatible to Ruby)
  • Keep an eye on "new" languages and frameworks based on functional programming (Elixir, Elm)
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