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In the COBOL programming language, a user-defined function is an entity that is defined by the user by specifying a FUNCTION-ID paragraph. A user-defined function must return a value by specifying the RETURNING phrase of the procedure division header and they are invoked using the function-identifier syntax.
Developer experience (DX) is a user experience from a developer's point of view. It is defined by the tools, processes, and software that a developer uses when interacting with a product or system while in the process of production of another one, such as in software development. [23]
API. An application programming interface (abbreviated API) is a way for two or more computer programs or components to communicate with each other. It is a type of software interface, offering a service to other pieces of software. [1] A document or standard that describes how to build or use such a connection or interface is called an API ...
User-centered design is based on the understanding of a user, their demands, priorities and experiences and when used, is known to lead to an increased product usefulness and usability as it delivers satisfaction to the user. [4] User-centered design applies cognitive science principles to create intuitive, efficient products by understanding ...
A service-level agreement (SLA) is an agreement between a service provider and a customer. Particular aspects of the service – quality, availability, responsibilities – are agreed between the service provider and the service user. [1] The most common component of an SLA is that the services should be provided to the customer as agreed upon ...
User experience design is a conceptual design discipline rooted in human factors and ergonomics. This field, since the late 1940s, has focused on the interaction between human users, machines, and contextual environments to design systems that address the user's experience. [4] User experience became a positive insight for designers in the ...
Abstract data type. In computer science, an abstract data type (ADT) is a mathematical model for data types, defined by its behavior (semantics) from the point of view of a user of the data, specifically in terms of possible values, possible operations on data of this type, and the behavior of these operations.
A class in C++ is a user-defined type or data structure declared with any of the keywords class, struct or union (the first two are collectively referred to as non-union classes) that has data and functions (also called member variables and member functions) as its members whose access is governed by the three access specifiers private, protected or public.