Latest #how-to-question Threads 
value = 7
jobs = [1, 4, 9, 3, 8, 6, 2]
output should be 6,8
i have large and too many lists. please suggest me optimised solutions.
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i have a list/array of 100k values. Filter even, odd and prime numbers in separate three lists.
i am new on elixir can anyone help me ab...
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how to test Subscriptions? tell me, please.
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I’m in the process of deploying an Elixir app to a kube cluster. For those who haven’t played with kube, it has the concept of a liveness...
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def get_all_post_by_user(user_id) do
query = from u in User,
where: u.id == ^user_id,
join: p in Post, on: p.user_id == u.id...
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Hello all, and thanks for this great forum!
I am learning Phoenix 1.3, and having trouble specifying the order of my local SCSS files. T...
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I have an app that downloads songs from a playlist from Youtube, I'm using Porcelain with Youtube-dl, it was working correctly with a sin...
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Hi all,
I'm looking for some advice on how to structure an application I'm building. It should eventually contain an importer that runs...
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Hi,
I am trying to define a macro with 3 arguments (name, var, body) which is to generate function name/1 a) with argument var, possibl...
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I'm trying to convert a directory of Markdown files into HTML, and I'm trying to do it concurrently with Task.async_stream. Here is the c...
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You can prepend to a list with:
[item | list]
But is it possible to pipe this operation? I can't see any way to do this in List/Kerne...
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What is the idomatic way to process tree data structures in Elixir?
I have a database table that holds a ton of rows which define a hie...
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I was hoping I could get something like this working:
defmodule FooRegistry do
@foos [
FirstFoo,
SecondFoo,
ThirdFoo
]...
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UPDATE: I originally forgot to mention that my MainPlug is a Plug.Router. I only realized it while responding to Overmind, below. I've no...
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Hi everyone!
I need implement if…else if…else condition from my elixir code, and anymore of this control flow structures not work proper...
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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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I wanted to check elixir version in phoenix because i found that my elixir is 1.5 but when i use Enum.chunk_by it said the function is un...
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I believe there are people here who are dealing with CSV files import on the daily basis, and since Excel is a really popular tool there ...
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I have a super simple question about elixir - how would I take a file like this
foo bar baz
and output a new file that enumerates th...
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I will often find my self writing things similar to:
case some_value do
nil -> something()
"" -> something()
_ -> someth...
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Could someone help me? I'm making my first elixir program, number guessing game. I can't figure out how to convert the user's guess from ...
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My use case is the following. I have an umbrella application that clearly separates the DB access layer from the business logic. By doing...
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I'm only asking here as I've switched to using asdf today, and erlang and elixir have installed successfully.
I've installed 3 differen...
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Is there an elixir function to tells the type of a value and display its fields(if it has any)?
For instance I am leaning Plug and wan...
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Our tests are structured like this:
response = say("Place order")
response = say("BITTREX 1 LTC 0.0116 BTC")
response = say("0.0109")
...
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I'm trying to take a float, add it to the array of floats in a model instance, and save it back to the database. I only want the array to...
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Elixir and Phoenix are awesome and I'm hoping I can use them on my next project, however I'm an Elixir/OTP newbie and I'm not finding rea...
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I can see Logger outputs from my test scripts, but when I add Logger statements into the tested application, these won't show during the ...
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How to write idiomatic Elixir for the following code in Ruby? The main difficulty here is that the immutable language cannot accumulate i...
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