Blog

Notes on code, architecture and quality.

Articles by Patrick Schadler on C#, .NET, Microsoft Azure, design patterns and software quality.


13 min read

Integrating Daikin air conditioners into Loxone without touching the hardware

Bringing four split units into home automation without opening them and without losing the app or the remote. Why a limit of 200 cloud calls per day ended up dictating the entire architecture.

  • Loxone
  • Daikin
  • Node.js
  • Home Automation
  • API Design


2 min read

The Factory Method pattern in C#

How the Factory Method keeps object creation out of your business logic — and when it is not worth the extra type.

  • C#
  • Design Patterns
  • .NET


1 min read

Unit tests with mocks in C# — and where they stop helping

Mocks make dependencies cheap to test around. They also make it easy to write tests that pass while the code is broken.

  • C#
  • Testing
  • .NET