# Category: Resolving

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.

Explore the concept of lazy proxies in Parsley, a feature that allows for the deferred creation of service instances until they are needed. This guide explains how lazy proxies can optimize performance by managing resource-intensive dependencies effectively.