What are CSS Variables and how can they help you make your Lightning Web Components more maintainable and reusable? This article gives a short introduction on why and how to apply them, with a particular focus on Lightning Web Components.
Enterprise Design Pattern (fflib)
What is the Enterprise Design Pattern; why would you apply it; where and how to start? Implementing this pattern will help you structure your code base, promote reuse of methods and allow to reduce unit test runtime thanks to Mocking.