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In the early days of digital libraries, there was discussion of the similarities and differences among the terms digital , virtual , and electronic

YouTube Show dark mode version of logo Show light mode version of logo Logo used since October 22, 2024 YouTube search results, May 2025 Type of business Subsidiary Type of site Online video platform , social media platform Founded February 14, 2005 &#59; 21 years ago  ( 2005-02-14 ) Headquarters 901

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NOTE: ACM DL title omits the trailing word Research; the project site and arXiv include it

A user's client provides presence information (presence state) via a network connection to a presence service , which is stored in what constitutes their personal availability record (called a presentity ) and can be made available for distribution to other users (called watchers ) to convey their availability for

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[ 5 ] Media queries allow the page to use different CSS style rules based on characteristics of the device the site is being displayed on, e

The size of the circle represents how many pages were visited from that site, and the width of the line represents the number of links followed

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com /OGRECave /ogre Object-Oriented Graphics Rendering Engine ( OGRE ) is a scene-oriented , real-time , open-source, 3D rendering engine

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com /yt-dlp /yt-dlp In response to development stagnation in youtube-dl, a community fork named yt-dlp emerged, enhancing core features and expanding site support

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^ How GitHub Leverages Feature Flags to Ship Quickly and Safely , infoq, 2021-05-09

External links [ edit ] PlayCanvas Official Website PlayCanvas Engine (Open Source) PlayCanvas Developer Site PlayCanvas API Reference Various free-to-play games built with PlayCanvas v t e Game engines ( list ) Source port First-person shooter engine List of first-person shooter engines Game engine recreation List of

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