Recent questions tagged Erlang

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erlang - I am unable to use `ejabberd_auth` in my **helloworld** project

I am unable to use ejabberd_auth in my helloworld project. -behaviour(ejabberd_auth). ... .... try_register(<<" ... m on Ubuntu 16.04 LTS See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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erlang - Use of function in Guard not allowed. Suggestions for alternate implementation wanted

I am attempting to create a prime number factorizer, using fermats method. This line generates an ... added missing get_int_part_of_sqrts. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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623 views

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erlang - Foreach loop with counter

I would like to add a counter in this loop in order to know the row of each element of the list. Do you have a ... foreach(fun(X) .... end,Y), See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

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erlang - What are the constraints/limitations of compiling with "+native"?

What are the limitations/constraints when compiling Erlang .erl source with the +native option compared with the ... release compiles with HiPE? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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867 views

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erlang - Elixir: Split list into odd and even elements as two items in tuple

I am quiet new to Elixir programming and stuck badly at splitting into two elements tuple. Given a list of integers, ... #IO.puts(x) end ) end See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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362 views

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erlang OTP Supervisor crashing

I'm working through the Erlang documentation, trying to understand the basics of setting up an OTP gen_server and ... gen_server:call/2 5> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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324 views

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erlang - Which clustered NoSQL DB for a Message Storing purpose?

Yet another question about which NoSQL to choose. However, I haven't found yet someone asking for this type of ... much hassle... Thanks ! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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301 views

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erlang - Which clustered NoSQL DB for a Message Storing purpose?

Yet another question about which NoSQL to choose. However, I haven't found yet someone asking for this type of ... much hassle... Thanks ! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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350 views

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erlang - What is the easiest way for beginners to install a module?

I checked out rebar, but that seems way too complex. Maybe someone could post something that says, %Post ... easier alternative for beginners? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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606 views

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erlang - Installing rabbitmq-server on RHEL

When trying to install rabbitmq-server on RHEL: [ec2-user@ip-172-31-34-1XX ~]$ sudo rpm -i rabbitmq-server-3.3. ... ~]$ sudo which erl /bin/erl See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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475 views

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erlang - How to rename the Node running a mnesia Database

I created a Mnesia database / Schema on machine1. The node was named mypl@machine1. I then moved all files ... from machine1 to machine2? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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354 views

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erlang - How to add a node to an mnesia cluster?

I'm an erlang and mnesia newbie.. How do I add a new disc_only_copies node to an mnesia database that already has a schema? Thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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509 views

1 answer

erlang - How to filter messages in Ejabberd

I have Ejabberd up and running with test users, and its working fine. I want to write a module that can ... needs. Thanks a bundle! Adil See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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575 views

1 answer

erlang - What is the storage capacity of a Mnesia database?

Some places state 2GB period. Some places state it depends up the number of nodes. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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353 views

1 answer

erlang - Why are there two kinds of functions in Elixir?

I'm learning Elixir and wonder why it has two types of function definitions: functions defined in a module ... notations to call functions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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