# Tag: instances

Learn how to use the RegisterInstance method in Parsley to manually register and manage complex service instances. Ensure consistent state and availability across your application by treating registered instances as singletons, making them accessible to other services as dependencies.

Discover how to manage service instance lifetimes in Parsley through various lifetime scopes. This guide explains the significance of lifetime settings, detailing how they influence the frequency of constructor or factory method calls and the management of service instances in your application.

Explore how to use Parsley's ResolveWithOptions method to dynamically pass specific instances to the resolver, enhancing your application's flexibility in managing dependencies. This guide demonstrates how to override registered dependencies or inject unregistered instances during resolution.

Discover how to use the Activate method in Parsley to create instances of unregistered dependencies dynamically. This guide illustrates how to instantiate objects on-the-fly while leveraging registered services. Learn about practical use cases, including dynamic object creation, managing complex dependencies, and integrating with third-party libraries.