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Articles tagged with #design
Organizing data to reduce redundancy Day 125 of 149 👉 Full deep-dive with code examples The Address Book Analogy Bad address book: "John Smith, 123 Main St, Sydney NSW 2000" "John Smith, 123 Main St, Sydney NSW 2000" (repeated!) What if John moves...
Ports and adapters pattern Day 114 of 149 👉 Full deep-dive with code examples The Power Outlet Analogy Your laptop works anywhere in the world: Different outlets in different countries You just use an adapter The laptop doesn't change—only the ada...
Layers with dependency rules Day 113 of 149 👉 Full deep-dive with code examples The Onion Analogy Think of an onion: Layers wrap around a core Inner layers don't know about outer layers You can peel off outer layers without affecting the inside C...
Modeling software around business Day 112 of 149 👉 Full deep-dive with code examples The Hospital Analogy A hospital has distinct departments: Emergency → Speaks in urgency and triage Pharmacy → Speaks in medications and dosages Billing → Speaks i...