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Repository in software development is a central place where data is stored and maintained. A repository can be thought of as a library containing all the different versions of source…

ReCAPTCHA is a type of CAPTCHA system designed to establish that a computer user is human. It is commonly used on websites to prevent bots from submitting forms automatically, which…

Reverse Proxy is a type of proxy server that retrieves resources on behalf of a client from one or more servers. These resources are then returned to the client as…

Relative URL refers to a URL that provides a partial path based on the current page’s URL. It’s like giving someone directions using the current location as a reference point…

Robots.txt is a file at the root of a website that dictates to web crawling bots (like Google’s) which pages on the site should not be crawled and indexed. It’s…

Rollover refers to a graphical design technique on the web where an image or hyperlink changes appearance when the mouse hovers over it. It’s like those pop-up books for children…

Root in computing generally refers to the top-most directory in a hierarchy. It is the starting point from which all other folders and files are derived. In web development, “root”…

RDF (Resource Description Framework) is a framework for representing information in the web. This framework allows data to be shared and reused across application, enterprise, and community boundaries. It’s like…

Responsive Web Design (RWD) is an approach to web design aimed at making web pages render well on a variety of devices and window or screen sizes. It ensures that…

Recursion is a method of solving problems where the solution depends on solutions to smaller instances of the same problem. In programming, recursive functions call themselves with slightly modified parameters….