Min-maxing Software Costs
summary
Argues software cost splits into cost of introduction, cost of change, and cost of ownership and shows how Laravel conveniences (facades, Eloquent, Cashier, Spark) speed introduction but raise change costs, while TDD and targeted refactoring cap change by paying ownership only where needed. Walks through a real replacement of a flaky Drupal import module with a custom importer that becomes faster and stable. Gives concrete workflow: document, spike, isolate, stabilize with tests.
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chapters (8)
- 0:00Start
- 14:03Optimising for Col: Convenience Layer
- 15:13Optimising for Col: Generalisation
- 39:38Document the need
- 40:12Spike - Experiment with tools available
- 40:31Document changes & constraints
- 41:21Isolate Religiously
- 44:52Questions?
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