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The first version of Flutter was known as "Sky" and ran on the Android operating system. [30] It was unveiled at the 2015 Dart developer summit with the stated intent of being able to render consistently at 120 frames per second. [30] On December 4, 2018, Flutter 1.0 was released at the Flutter conference in London. [31]
In functional programming, fold (also termed reduce, accumulate, aggregate, compress, or inject) refers to a family of higher-order functions that analyze a recursive data structure and through use of a given combining operation, recombine the results of recursively processing its constituent parts, building up a return value.
Prior to Flutter 2.0, developers could only target Android, iOS and the web. Flutter 2.0 released support for macOS, Linux, and Windows as a beta feature. [67] Flutter 2.10 released with production support for Windows [68] and Flutter 3 released production support for all desktop platforms. [69] It provides a framework, widgets, and tools.
MapReduce is a programming model and an associated implementation for processing and generating big data sets with a parallel and distributed algorithm on a cluster. [1] [2] [3]A MapReduce program is composed of a map procedure, which performs filtering and sorting (such as sorting students by first name into queues, one queue for each name), and a reduce method, which performs a summary ...
The basic concept of strain wave gearing (SWG) was introduced by C.W. Musser in a 1957 patent [5] [6] while he was an advisor at United Shoe Machinery Corp (USM). It was first used successfully in 1960 by USM Co. and later by Hasegawa Gear Works under license of USM.