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As early as 1973, the FBI was running a program aimed at securing information about reading habits of many library users; this program was ultimately called the "Library Awareness Program". [1] The Library Awareness Program was designed as a counterintelligence effort that would provide information to the FBI including the names and reading ...
Policy-based design, also known as policy-based class design or policy-based programming, is the term used in Modern C++ Design for a design approach based on an idiom for C++ known as policies. It has been described as a compile-time variant of the strategy pattern , and has connections with C++ template metaprogramming .
A sample UML class and sequence diagram for the Strategy design pattern. [4]In the above UML class diagram, the Context class does not implement an algorithm directly. . Instead, Context refers to the Strategy interface for performing an algorithm (strategy.algorithm()), which makes Context independent of how an algorithm is impl
The following list of C++ template libraries details the various libraries of templates available for the C++ programming language.. The choice of a typical library depends on a diverse range of requirements such as: desired features (e.g.: large dimensional linear algebra, parallel computation, partial differential equations), commercial/opensource nature, readability of API, portability or ...
Library card for the National Central Library in Taiwan. A library card can refer to several cards traditionally used for the management of books and patrons in a library. In its most common use, a library card serves similar functions as a corporate membership card. A person who holds a library card has borrowing or other privileges associated ...
In an ideal transaction, libraries provide the patron with access to search engines, academic databases and/or library catalogs from which the patron can request items. When certain thresholds are reached for an item (e.g., number of pages read or number of requests), the library purchases the item and delivers instant access to patrons. [2]
Letter writing campaigns are chiefly intended to inform law makers, library officials, and citizens about the ramifications of decisions regarding public libraries and to promote library-related causes. [2] Letter writing has been a valuable form of communication among public library advocates.
A sample UML class and sequence diagram for the observer design pattern. [6] In this UML class diagram, the Subject class does not update the state of dependent objects directly. Instead, Subject refers to the Observer interface (update()) for updating state, which makes the Subject independent of how the state of dependent objects is updated.