Summary

• Schedule of 2021: https://devternity.com/
• Primarily teamlead-oriented
• Cool speakers like Robin 'Bob' Martin, also workshops 
• Videos were recorded - they'll publish them in Q1

Cons

• Pretty expensive (~800 EUR late ticket)
• Workshop (at least mine) was a long lecture/discussion, no actual practice
• Not all talks are amazing (duh)

My take

• 0-3 👍 - obviously subjective
• Better talks are remembered better
• More inspiring than practical

Talks I attended (1-3)

• Prioritizing Technical Debt as if Time and Money Matters - Adam Tornhill
  • 👍 👍  - felt a bit like an advertisement
• Clean Code, Two Decades Later - Victor Rentea
  • 👍 👍 - very fun, but controversial
• What I Wish I Knew When I Started Designing Systems - Jakub Nabrdalik
  • 👍 👍 👍 - insightful, deep, but not hard​ - microservice design

Talks I attended (4-6)

• Integrated Tests Are A Scam - J.B. Rainsberger
  • 😕 - meh, seems like naming issue
• Domain-Driven Refactoring - Jimmy Bogard 
  • 👍 - kind of ok, but generally just Resharper usage
• The Craftsman's Oath​ - Robert "Uncle Bob" Martin
  • 👍👍 - 0 practice, pure visionary
  • but a lot of fun (and history)
  • you and I are killing people!

Talks I attended (7)

• War is Peace, Freedom is Slavery, Ignorance is Strength, Scrum is Agile - Allen Holub
  • 👍👍👍  - great both practically and theoretically
  • Agile is not a process, agile is a property [of a process]
  • People and interactions over processes and tools

What to watch, in the end

• Must watch, really awesome:
  • War is Peace, Freedom is Slavery, Ignorance is Strength, Scrum is Agile
  • What I Wish I Knew When I Started Designing Systems
• ​And one of
  • ​The Craftsman's Oath​  - pure fun
  • Clean Code, Two Decades Later - coding fun
  • Prioritizing Technical Debt - linting/tool fun

Workshop I attended

Microservices, Modular Monoliths, and Event-Driven Systems - Allen Holub

• No recording 😥
• 👍 👍 👍 Very interesting and motivating
• Can retell some parts 🎓

Conceptual ideas

• Microservices vs modules vs bounding contexts
• Asking for help, not the information
• Interesting take on shared libraries
• Interesting take on facades over 3rd party libraries

Practical takeaways

• Big discussion about orchestration and solutions
  • Think side effects, e.g. an order in a shop
  • Options like mediator, sagas, two-phase commit, retries, optimism, or RMX/Erlang - style messages
  • Problems like transactionality

Organizational takeaways

• DDD story capturing process
• Focus on working full story
• What to answer your manager about agile and scope 😃

TDD and DDD

• Focus tests on happy path stories
• Essentially, XP technique of 'no more code'