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In computing, an epoch is a fixed date and time used as a reference from which a computer measures system time. Most computer systems determine time as a number ...
An epoch in astronomy is a reference time used for consistency in calculation of positions and orbits. A common astronomical epoch is J2000, which is noon on January 1, 2000, Terrestrial Time. An epoch in Geochronology is a time period, typically in the order of tens of millions of years. The current epoch is the Holocene.
Software versioning is the process of assigning either unique version names or unique version numbers to unique states of computer software. Within a given version number category (e.g., major or minor), these numbers are generally assigned in increasing order and correspond to new developments in the software.
Ann Arbor is a city in and the county seat of Washtenaw County in the U.S. state of Michigan.Founded in 1824 by John Allen and Elisha Rumsey, it was named after the wives of the village's founders, both named Ann, and the stands of bur oak trees they found there.
This definition was so simple that it did not even encompass the entire leap year rule of the Gregorian calendar, and would make 2100 a leap year. The 2001 edition of POSIX.1 rectified the faulty leap year rule in the definition of Unix time, but retained the essential definition of Unix time as an encoding of UTC rather than a linear time scale.
A batch window is "a period of less-intensive online activity", [11] when the computer system is able to run batch jobs without interference from, or with, interactive online systems. A bank's end-of-day (EOD) jobs require the concept of cutover , where transaction and data are cut off for a particular day's batch activity ("deposits after 3 PM ...
In computer science, online machine learning is a method of machine learning in which data becomes available in a sequential order and is used to update the best predictor for future data at each step, as opposed to batch learning techniques which generate the best predictor by learning on the entire training data set at once.
Epoch (astronomy), a moment in time used as a reference for the orbital elements of a celestial body; Epoch (computing), a moment from which system time is usually measured; Epoch (cosmology) or cosmologic epoch, a phase in the development of the universe since the Big Bang; Epoch (race), racial periods in Blavatsky's esoteric theory of the ...