Decorator is an object-oriented design pattern that allows adding behavior to existing classes in a dynamic fashion. It is one of the Gang of Four's structural design patterns.

Overlays are user interface elements that are displayed over other UI elements, typically for the purpose of presenting additional or enhanced information and detail.

System may refer to a set of interdependent components; Low level infrastructure like the operating system (from a high language point of view) or an object or function for accessing the previous

Categories are groupings of information relative to a certain criteria. Use this tag for questions related to handling information of and related to a categorical nature.

Session cookies enable a server and a browser to establish an identified connection (through cookies) and communicate though it.

Karma provides developers a testing environment where they don't have to set up many things, rather just write code and get instant feedback in order to improve productivity and creativity.

SoapUI is an open-source desktop application providing functional testing, load testing, security testing, API mocking, and API monitoring for both SOAP/WSDL and REST/WADL web services. Questions about the professional versions of these tools, such as SoapUI Pro, should be tagged with ready-api.

For questions about screenshots — digital images that show the contents of a computer display,

In software development, a project is a collection of files and resources used in the development of an application or service. Use [ms-project] for Microsoft Project questions.

Android class providing access to the system alarm services.

H2 is a relational database management system written in Java. It can be embedded in Java applications or run in the client-server mode. H2 supports regular disk-based as well as in-memory databases.