ERLANG
\ˈɜːlaŋ], \ˈɜːlaŋ], \ˈɜː_l_a_ŋ]\
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By DataStellar Co., Ltd
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1. Agner Krarup Erlang. (The other senses werenamed after him).2. A concurrent functional language for largeindustrial real-time systems by Armstrong, Williams andVirding of Ellemtel, Sweden.Erlang is untyped. It has pattern matching syntax,recursion equations, explicit concurrency, asynchronousmessage passing and is relatively free from side-effects.It supports transparent cross-platform distribution. It hasprimitives for detecting run-time errors, real-time garbagecollection, modules, dynamic code replacement (changecode in a continuously running real-time system) and aforeign language interface.An unsupported free version is available (subject to anon-commercial licence). Commercial versions with support areavailable from Erlang Systems AB. An interpreter inSICStus Prolog and compilers in C and Erlang are availablefor several Unix platforms.Open Telecom Platform (OTP) is a set of libraries andtools.Commercial version (http://erlang.se/) - sales, support,training, consultants. Open-source version(http://erlang.org/) - downloads, user-contributedsoftware, mailing lists.Training and consulting (http://erlang-consulting.com/).E-mail: .[Erlang - "Concurrent Programming in Erlang", J. Armstrong, M.& Williams R. Virding, Prentice Hall, 1993. ISBN 13-285792-8.]3. 36 CCS per hour, or 1 call-second per second.Erlang is a unit without dimension, accepted internationallyfor measuring the traffic intensity. This unit is defined asthe aggregate of continuous occupation of a channel for onehour (3600 seconds). An intensity of one Erlang means thechannel is continuously occupied.
By Denis Howe
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.