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Hello!
Is there a way to send a message to a Genserver process such that the message skips all other messages in the genserver’s message...
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Hi, I have been learning elixir lately and did some hands. All I did was create some exs files and ran them. After a while I ran below co...
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Alright, the actual use-case here is far too cursed to explain, but I wanted to call Process.exit/2 on a remote registered name. For a lo...
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Last Three Year's Trending
I’ve got a simple app that starts up a supervised Broadway pipeline. This is fine for regular use, but it makes testing difficult:
de...
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Is there a straightforward way to send a message to my Elixir process from a bash script?
To avoid the XY problem, I am trying to implem...
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Once in a while I get a :noproc error:
** (stop) exited in: GenServer.call({:via, Registry, {:trip_generation_server, "804194805327673"}...
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Hi everyone. I’m trying to understand some error messages that occasionally appear in our logs durning shutdown. Mostly, I’m just trying ...
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I am new to Elixir, learning it. I have a list of US Cities from this github link https://raw.githubusercontent.com/grammakov/USA-cities-...
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Hi, we’re using libcluster + horde to manage process balancing of some genservers. So, we want to get the security right and have an encr...
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Trying to wrap my head around how processes pass messages. I have a simple example of processA sending a message to processB
defmodule P...
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defmodule APIResponseProcessor do
defp update_log(api_url, error_message, {sleep_time, interval}, line_number, attempt_count) do
lo...
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Hi,
I’ve created a simple cluster by opening 2 IEX sessions on two different machines, and I can see the the nodes are clustered:
iex(d...
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I have a few genservers that need to fetch some data from an external resource every 15 minutes. The solution I’m using is just plain Pro...
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Hello, this is my first post, and I hope it isn’t already obviously answered in another post. I did my best to look.
Problem statement
I...
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As the title says, I want to run untrusted code in a v8 isolate and I’m wondering if elixir processes provide similar isolation as os pro...
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I’m working on a project that awaits an :ok signal while also trapping and awaiting any exits that happen midway. Looks something like th...
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Alright, fair warning: I may be missing something obvious here.
I can use try/catch to catch an exit sent with exit/1:
try
exit(:time...
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Hello,
I have been playing with a pmap (parallel map) implementation, for a task that seems easy: to run a series of functions in parall...
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Trending Over Three Years
When I run the Plug and I recompile I wind up having to use Ctrl C to quit iex and start again. Witht the help of rlwrap I can use the cu...
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Hi, I'm in need to test that some process (in my particular case, it's a Phoenix channel) receives some message from another process (via...
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I have written a blog post about a common misunderstanding about tasks
Would love your inputs :slight_smile:
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We have used https://github.com/BlakeWilliams/Elixir-Slack to write a slack-bot. The question is not about the library but about Elixir. ...
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Background
I have finally been able to log processes receiving a specific message. This log has the following format:
(<0.1715.0>)...
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I am currently scratching my head, because I am already trapping exits at one point, but I am not able to get it to work at another point...
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I’m building a postgres-backed job queue for Elixir. The way I have it setup, I have a JobDispatcher that polls the DB every N millisecon...
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The more I read about Elixir's and Erlang's actor-model-based functionality, the more I am in love.
One thing I am wondering about, is ...
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I am using an Agent for state. Nothing I have tried for asserting an ArgumentError raised in the Agent has worked! The test fails and the...
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Given a process id, assuming the process is registered with a name, how can I get the name of the process?
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Ideally I want to create a gen_server and stop it after some timeout after inactivity (not receiving messages).
With simple process I c...
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Hey everybody,
In light of the recent Elixir 1.9 announcement, I’d like the first library I write to not use Mix.Config. (It is an sqlit...
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Hi everyone, this is my first post on this forum :slight_smile:
I am learning Elixir and I wish to write my software/scripts with it, I ...
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How can I monitor if a GenServer process is started or restarted by a supervisor?
I was thinking about passing the observer pid to the ...
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Hi - sorry for another beginner question...
Is it possible in Elixir to spawn e.g process1, process2, process3, and process4... Then li...
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