erlang Questions

2

Solved

Is there any way to open a terminal device file in erlang ? I am on Solaris and I am trying the following:: Erlang (BEAM) emulator version 5.6 [source] [64-bit] [async-threads:0] [kernel-poll:fa...
Towe asked 23/12, 2010 at 9:26

6

I am designing a neural network and am trying to determine if I should write it in such a way that each neuron is its own 'process' in Erlang, or if I should just go with C++ and run a networ...

3

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Note that imports are generally discouraged in the language. When working on your own code, prefer alias to import. I found this statement in the documentation but further explanation is not avai...
Schooling asked 25/11, 2021 at 8:6

4

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Is there an equivalent for retrieving the name of a function just like like __MODULE__ retrieves the name of a Module in Elixir/Erlang? Example: defmodule Demo do def home_menu do module_name...
Nudd asked 14/11, 2017 at 8:39

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I'm quite new to Raspberry Pi and Linux/Debian, so please bear with me. I have been trying for hours now to install rabbitMQ on my Raspberry Pi 3, to no avail. I followed the steps, but in the end ...
Argos asked 11/3, 2020 at 23:13

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Sometimes I get (Ecto.StaleEntryError) attempted to update a stale struct when trying to update record. I haven't found any recipe to avoid this in Ecto's docs, so what should I do to avoid this? ...
Amelioration asked 16/4, 2017 at 16:23

2

C:\rabbitmq-server-3.6.0\scripts>rabbitmq-plugins enable rabbitmq_management 'realpath' is not recognized as an internal or external command, operable program or batch file. init terminating in...
Idel asked 11/2, 2016 at 15:36

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While reading the documentation of both GenServer and Agent I wondered what are the Use Cases the Agent solves that GenServer cannot? So, when to prefer Agent over GenServer? I know that functions...
Kaiulani asked 19/7, 2019 at 7:14

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I am using RabbitMQ with Grails, and a problem cropped up this morning. When I run rabbitmqctl status it tells me: C:\Users\BuildnTest2>rabbitmqctl status Status of node 'rabbit@BUILDNTEST2-PC' ...
Faceoff asked 12/3, 2012 at 19:0

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I am trying to make an integer into a binary: 543 = <<"543">> How can I do this without integer_to_list(list_to_binary(K)).
Radiometer asked 24/10, 2010 at 22:6

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I'm running Kubuntu 15.04 64-bit and trying to get Erlang's 18.1 'debugger' or 'observer' to run (EDIT: from within the shell): observer:start(). debugger:start(). I get the following error: {e...
Huehuebner asked 4/10, 2015 at 14:37

3

I'd like to try to start using Erlang, and there's a data feed i'd like to read that's distributed via Websockets. Right now i'm doing the same in node.js using the 'websocket-client' module, but c...
Caplin asked 16/6, 2011 at 15:15

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I am trying to start RabbitMQ service on my local Windows laptop but I keep getting this error: I first downloaded erlang (OTP 19.0 Windows 64-bit Binary File) from here: http://www.erlang.org/d...
Parkins asked 11/8, 2016 at 15:10

3

I'm trying to get Erlang working on my Fedora server, specifically to run rabbitmq, but when I yum install erlang yum complains that wxGTK requires a bunch of packages. Wtf? Why is erlang trying t...
Dionysiac asked 9/12, 2011 at 16:45

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The problem I am trying to solve states Write a function map_search_pred(Map, Pred) that returns the first element {Key,Value} in the map for which Pred(Key, Value) is true. My attempt looks ...
Aspa asked 7/1, 2015 at 22:23

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I'm ask/answering this question because it hung me up & it's likely someone else will have the same problem. Install of RabbitMQ x64 v2.8.6 on Windows Server 2008 x64. After Erlang install u...
Mitis asked 7/9, 2012 at 18:39

1

Getting error when installing Elixir dependencies, all Mix command are throwing same exception 23:31:44.447 [notice] Application ssl exited: exited in: :ssl_app.start(:normal, []) ** (EXIT) an exc...
Buss asked 6/8, 2023 at 5:44

2

Setup new project with command mix new project_name it setup everything without any error or warning message, cd to project and ran command iex -S mix it throws error lib/helloworld.ex defmodule H...
Dementia asked 7/8, 2023 at 3:12

15

I am using RabbitMQ. For some reason the rabbitMQ service stops as soon as you start it. I saw following error in the event log: RabbitMQ: Erlang machine stopped instantly (distribution name confl...
Ash asked 7/10, 2015 at 14:59

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When I'm opening erlang shell(in cmd or git bash), and try to use tab for autocomplete, it's just indenting. Can I make somehow make autocomplete working?
Anatto asked 23/11, 2016 at 22:51

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My Elixir app is using about 50% of the CPU, but it really should only be using <1%. I'm trying to figure out what is causing the high CPU usage and I'm having some trouble. In a remote console...
Negligee asked 21/11, 2017 at 14:3

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I am using a function to create a list from a float. float_to_list(0.02). It returns: "2.00000000000000000000e-002" I need it to give me a number exactly like: "0.20" If I fed it 5.23 "5....
Chatman asked 23/10, 2010 at 21:38

1

I want to make a synchronous call to a Port in Erlang. That is, to send some input to a running OS process connected through a Port and get its output directly, not using messages. There is a port_...
Craniology asked 4/6, 2023 at 0:1

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What does this error mean in CouchDB logs? I see that it is looking for some "_users" database. But I don't have a database with that name. Is there anything I can do to stop these errors...
Annunciate asked 12/10, 2021 at 14:40

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I'm slowly falling in love with Erlang, and only have one big, BIG problem. I'm a big fan of languages like Standart ML and ocaml with their strong static typechecking. is there a nice and clean ...
Crandale asked 14/12, 2011 at 14:57

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