Reading other peoples code
summary
Covers ten concrete techniques for understanding huge codebases (she mentions Chromium ~600k files and Vivaldi) and gives actionable steps: get the repo locally, run it in a debugger, grep for UI strings to find a button and follow its onclick to the handler, write an integration test to exercise a flow, read the startup/“main” to see event loops, use small throwaway refactors to learn, and use retelling/documentation to solidify the mental model.
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chapters (10)
- 0:00Intro
- 0:32Reading Other People's Code
- 2:52If you approach other people's code wanting to learn You will learn if you approach to criticize: You will criticize
- 4:22Code is the serialized version of a Mental Machine
- 16:05Investigating Your GUI framework - Trace platform events Look at graphics output Find the platform integration architecture
- 17:38Integration / System Tests - How to run it - Use Cases Write tests to drive the code you're looking at Write tests to examine your assumptions
- 23:39Window Layout Find the Main Layout Find the implicit State Machine This is what changes the window contents Maps often to Use Cases
- 33:03Which interfaces does it implement? Who uses it and how? Public functions are the mains of a class
- 37:08What is the predictor of team excellence? Google's Project Aristotle concluded: Psychological Safety
- 46:42Great code should be personal We want people to take pride in their work Learn to appreciate other people's code Style is individual
