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Lessons (4)

• Product-Scale Frontend Patterns

  … For money movement, inventory reservation or destructive operations, prefer confirmation and a server-authoritative result. Offline-first is …

• Data Preparation and Model Training

  … It makes offline results look better than the deployed model will perform. Examples: - Predicting loan default using a …

• Real-Time, Pub/Sub, Webhooks and CDC

  … Some partners are offline for hours. What must be true Push fresh updates to browsers while providing durable …

• Behavioral Patterns II: Chain, Template, Iterator, Mediator, Memento, Visitor

  … Mediator ✈️ Analogy: Planes don't talk to each other to decide who lands first. They all talk to …