DI and passing of dependencies

Constructor, methods, or public variables? Every way of passing dependencies has its pitfalls – immutability, inheritance, boilerplate code. I break down why even constructor injection isn't without problems and what could help.

14 years ago

DI versus Service Locator

Service locator looks like a handy way of passing dependencies, but in reality it's an antipattern. I explain why it violates the principle of explicit dependencies, and show how to distinguish legitimate constructs from a real service locator.

14 years ago

DI versus Lazy loading

When do DI and lazy loading come into conflict, and why is the factory-based solution actually flawed? The right approach is an accessor that returns the dependency without presuming how it was created.

14 years ago

What is Dependency Injection?

Hidden dependencies make code unpredictable and confusing. Yet DI is a surprisingly simple technique – just stop hiding dependencies and start passing them explicitly. Through practical examples, I show why it's worth it and how to do it.

14 years ago

Nette\Utils\Html – coder's little helper

Generating HTML tags “on the fly” leads to messy and error-prone code. Nette\Utils\Html solves this with an intuitive object-oriented interface featuring a fluent API for working with elements, attributes, and their children.

20 years ago

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