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The Changelog

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The Changelog

Conversations with the hackers, leaders, and innovators of software development hosted by Adam Stacoviak and Jerod Santo.

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Code[ish] • March 4th, 2026

Heroku in the Wild: Saving Lives with Nonprofit Watch Duty

Hosted by Julián Duque, Dave Merrick
During the Los Angeles wildfires in 2025, more than 10 million people relied on Watch Duty for potentially life-saving information. On this episode of Code[ish], its Cofounder and CTO Dave Merrick talks Julián Duque through how the application works and the technologies like Heroku that make it possible.
Hosted By:
Julián Duque
Julián Duque
Principal Developer Advocate, Heroku
@julian_duque
with Guest:
Dave Merrick
Dave Merrick
Cofounder and CTO, Watch Duty

Transcript Available

  • Heroku in the Wild
  • autoscaling
  • caching
  • scaling

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The Changelog • May 7th, 2016

23 years of Ruby

Big show! Matz, creator of the Ruby programming language, joined the show to discuss where he began as a programmer, the origins of Ruby, its history and future, Ruby 3.0, concurrency and parallelism, Streem, Erlang, Elixir, and more.

  • Matz
  • Ruby

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