Erlang -- Constructing and Matching Binaries
Expand All Contract All Chapters Introduction Top of chapter Purpose Prerequisites The Seven Myths of Erlang Performance Top of chapter Myth: Tail-Recursive Functions are Much Faster Than Recursive Functions Myth: Operator "++" is Always Bad Myth: Strings are Slow Myth: Repairing a Dets File is Very Slow Myth: BEAM is a Stack-Based Byte-Code Virtual Machine (and Therefore Slow) Myth: Use "_" to Sp
Erlang example programs
Introduction This is a collection of Erlang example programs. The document is also available as a postscript or pdf file. All the programs referred to are available in the archive examples-2.0.tgz. The programs attempt to do useful things, thus you will find complete source code for a number of useful Erlang utilities such as make, find ftp etc. which model the behaviours of the Unix programs wi
Erlang -- Supervisor Behaviour
Expand All Contract All Chapters Overview Top of chapter Supervision Trees Behaviours Applications Releases Release Handling gen_server Behaviour Top of chapter Client-Server Principles Example Starting a Gen_Server Synchronous Requests - Call Asynchronous Requests - Cast Stopping Handling Other Messages gen_statem Behaviour Top of chapter Event-Driven State Machines When to use gen_statem Callbac
Erlang -- gen_tcp
This module provides functions for communicating with sockets using the TCP/IP protocol. The following code fragment is a simple example of a client connecting to a server at port 5678, transferring a binary, and closing the connection: client() -> SomeHostInNet = "localhost", % to make it runnable on one machine {ok, Sock} = gen_tcp:connect(SomeHostInNet, 5678, [binary, {packet, 0}]), ok = gen_tc
Erlang -- mnesia
The following are some of the most important and attractive capabilities provided by Mnesia: A relational/object hybrid data model that is suitable for telecommunications applications. A DBMS query language, Query List Comprehension (QLC) as an add-on library. Persistence. Tables can be coherently kept on disc and in the main memory. Replication. Tables can be replicated at several nodes. Atomic t
Index - Erlang/OTP
fact(0) -> 1; %% Pattern matching for control-flow fact(N) -> N * fact(N-1). %% Recursion to create loops > example:fact(10). %% Interactive shell for fast iterations 3628800 > [{I, example:fact(I)} || I <- lists:seq(1,10)]. [{1, 1}, {2, 2}, {3, 6}, {4, 24}, {5, 120}, {6, 720}, {7, 5040}, {8, 40320}, {9, 362880}, {10, 3628800}] > Fruits = ["banana","monkey","jungle"]. %% Immutable variables ["bana
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Erlang -- Reltool Reference Manual
Erlang -- Parsetools Reference Manual
http://www.erlang.org/ml-archive/erlang-questions/200511/msg00193.html
http://www.erlang.org/doc/apps/common_test/part_frame.html
Erlang -- gen_event Behaviour
http://www.erlang.org/doc/design_principles/gen_server.html
efficiency guide
http://www.erlang.org/doc/doc-5.5.4/doc/getting_started/part_frame.html