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An entity–attribute–value model (EAV) is a data model optimized for the space-efficient storage of sparse—or ad-hoc—property or data values, intended for situations where runtime usage patterns are arbitrary, subject to user variation, or otherwise unforeseeable using a fixed design. The use-case targets applications which offer a large ...
A query string is a part of a uniform resource locator that assigns values to specified parameters.A query string commonly includes fields added to a base URL by a Web browser or other client application, for example as part of an HTML document, choosing the appearance of a page, or jumping to positions in multimedia content.
Laravel is a free and open-source PHP-based web framework for building web applications. [3] It was created by Taylor Otwell and intended for the development of web applications following the model–view–controller (MVC) architectural pattern and based on Symfony .
Stack Overflow is written in C# using the ASP.NET MVC (Model–View–Controller) framework, and Microsoft SQL Server for the database [38] and the Dapper object-relational mapper used for data access. [39]
PHP's single-request-per-script-execution model, and the fact that the Zend Engine is an interpreter, leads to inefficiency; as a result, various products have been developed to help improve PHP performance.
In 2012, the DCMI Metadata Terms was created using a RDF data model. [12] This expanded element set incorporates the original 15 elements and many of the qualifiers of the qualified Dublin Core as RDF properties.
x occurs free in (φ → ψ) if and only if x occurs free in either φ or ψ. x occurs bound in (φ → ψ) if and only if x occurs bound in either φ or ψ. The same rule applies to any other binary connective in place of →. Quantifiers x occurs free in ∀y φ, if and only if x occurs free in φ and x is a different symbol from y.
Gemini, a lightweight, collaboratively designed protocol, striving to fill the gap between Gopher and HTTP [160] 1967: Unofficial: Cisco IOS IP Service Level Agreements Control Protocol [citation needed] 1972: Yes: InterSystems Caché, and InterSystems IRIS versions 2020.3 and later 1984: Yes: Big Brother: Unofficial: Arweave mining node [161 ...