Wow code, such read!

on YouTube ↗32m

" summary

Goal is to read and change code to fix real behavior: slow ActiveRecord SQL traces don’t include EXPLAIN because queries arrive parameterized as $1 while the agent used execute. Solution is to switch to the adapter’s exec_query and pass the binds payload so EXPLAIN runs and returns plans; change ships in the gem version 3.15.2. Workflow uses a local clone of Rails, grep/git-blame, inserting puts/binding.pry, and Ruby introspection like caller and source_location.

AI-written summary · about

" chapters (10)

1. 0:00Introduction and motivation
2. 3:42Code archaeology approach
3. 7:17Locally inspecting source code
4. 10:07Clarifying questions while reading
5. 12:15Pair programming benefits
6. 18:23Recap of reading strategies
7. 20:54Reading Ruby’s C source code
8. 26:16Ruby source code navigation tips
9. 27:20Resources for reading code
10. 31:16Q&A and closing

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