Occasional essays and other technical notes.https://tylerchambers.neten-ushttps://tylerchambers.net/blog/patching-and-mocking-are-a-smell/https://tylerchambers.net/blog/patching-and-mocking-are-a-smell/Heavy patching and mock setup often reveal hidden dependencies; explicit seams produce simpler designs and more meaningful tests.Sun, 19 Jul 2026 00:00:00 GMThttps://tylerchambers.net/blog/protocols-vs-abcs/https://tylerchambers.net/blog/protocols-vs-abcs/When to prefer Python protocols for structural typing and when abstract base classes offer clearer runtime guarantees and deliberate membership.Sun, 12 Jul 2026 00:00:00 GMThttps://tylerchambers.net/blog/youre-thinking-about-authz-wrong/https://tylerchambers.net/blog/youre-thinking-about-authz-wrong/Why growing authorization systems need relationships and policy decisions beyond scattered role checks and ownership conditionals.Sun, 05 Jul 2026 00:00:00 GMThttps://tylerchambers.net/blog/di-is-about-seams/https://tylerchambers.net/blog/di-is-about-seams/Dependency injection is fundamentally about creating explicit, replaceable seams—not containers, decorators, or framework machinery.Fri, 03 Jul 2026 00:00:00 GMT