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1 天前 · HipHop – developed at Facebook and available as open source, it transforms the PHP scripts into C++ code and then compiles the resulting code, reducing the server load up to 50%. In early 2013, Facebook deprecated it in favour of HHVM due to multiple reasons, including deployment difficulties and lack of support for the whole PHP language, including the create_function() and eval() constructs.
8 小時前 · Social media can help to improve an individual's sense of connectedness with others and be an effective communication (or marketing) tool for corporations, entrepreneurs, non-profit organizations, advocacy groups, political parties, and governments. Social movements use social media for communicating and organizing.
8 小時前 · In linguistics, code-switching or language alternation occurs when a speaker alternates between two or more languages, or language varieties, in the context of a single conversation or situation. Code-switching is different from plurilingualism in that plurilingualism refers to the ability of an individual to use multiple languages, [1] while ...
8 小時前 · Background Although commonly described as a tsunami, the titular wave in The Great Wave off Kanagawa by Hokusai is more likely an example of a large rogue wave. Rogue waves are open-water phenomena, in which winds, currents, nonlinear phenomena such as solitons, and other circumstances cause a wave to briefly form that is far larger than the "average" large wave (the significant wave height or ...
8 小時前 · Overview and definition Frank Lloyd Wright, Solomon Guggenheim Museum completed in 1959 [12] Modernism was a cultural movement that impacted the arts as well as the broader zeitgeist.It is commonly described as a system of thought and behavior marked by self-consciousness or self-reference, prevalent within the avant-garde of various arts and disciplines. [13]
8 小時前 · Long non-coding RNAs ( long ncRNAs, lncRNA) are a type of RNA, generally defined as transcripts more than 200 nucleotides that are not translated into protein. [2] This arbitrary limit distinguishes long ncRNAs from small non-coding RNAs, such as microRNAs (miRNAs), small interfering RNAs (siRNAs), Piwi-interacting RNAs (piRNAs), small ...
8 小時前 · High-definition coverage For Super Bowl XXXVI in 2002, Fox Sports produced its first telecast in a 16:9, 480p enhanced-definition format marketed as "Fox Widescreen"; while promoted as having better quality than standard definition , and being the first U.S. sporting event produced completely in a widescreen format, it was not true high definition , but still matched the aspect ratio of HDTV sets.
