Inheritance, Composition, and Meaningful Types

Explores when inheritance and composition fit naturally, and why meaningful types matter more than convenience.

Why Modern Developers Avoid Inheritance

Explores why many modern developers avoid inheritance, examining cultural, historical, and practical factors in business application development.

API Exception Mapping and Validation Strategy

How Cotomy treats API failures and validation through structured HTTP responses and exception mapping.

Inheritance and Composition in Business Application Design

A reflection on inheritance and composition from long-term business system development experience.

Standardizing CotomyPageController for Shared Screen Flows

How to standardize list-style screens with CotomyPageController-based structure.

Early Architecture Attempts

Early personal development work, architecture experiments, and the operational challenges that eventually led to cloud deployment.

The Birth of the Page Controller

Why page-level control became necessary and how the first PageController design appeared.

Unifying Data Design and Code with Entity Framework

How code-first modeling in Entity Framework reduced the historical gap between database schema and application logic.

From Global CSS Chaos to Scoped Isolation

How global CSS collapsed under scale, and how scoped CSS in Razor Pages reshaped my architectural thinking.

Reaching Closures to Remove Event Handlers Later

The problem of removing event handlers when closures change function identity, and the pragmatic registry solution inside Cotomy.