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I am try to migrate these days to elixir, and I have existing project, I want to learn graphql api with absinthe. it has mix.exs file lik...
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Hi folks,
I’m working to build a workflow engine for my company project. We would like to build something dynamic and easy to add new in...
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Hi Everyone
I’ve recently picked up and put down Elixir+Phoenix.
Work and Life happens… :pensive:
Reviewing my notes,
I’m currently b...
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Hey all again, I am back → a few months ago I started dabbling with Elixir and Phoenix.
Long story short, I came away a little confused ...
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Hello everyone. I want to use schemaless changesets to validate external data. And I wonder how to properly use embeds with them.
Let’s ...
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Whats the difference between the two? They seem to do identical things but one is doced as ‘only use very rarely’
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I spent more than a day trying to figure out how to connect via ssh using a private key but without a result… all languages some to have ...
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Let’s say I have some code like this
defmodule Foo do
def foo do
state = %{state | a: a(state)}
state = %{state | b: b(state)}...
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Background
I am reading a book called “Learning Domain Driven Design” (DDD). In this book there are some code samples, usually in C#. Sin...
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Something weird is happening in my iex, recent commands I’ve typed are not showing up in the history when I press the up arrow key, inste...
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I learned C/C++ in college before learning about Algorithms. And thinking about time complexity in C/C++ came naturally to me because I h...
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Hello,
So I have learnt a new thing recently, processes spawned in an IEx shell are not terminated after IEx exists, not even if they we...
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I want to read a file line by line, but I want to pull lines on demand.
I have a GenServer that tokenizes a file. It is called using a c...
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Hi,
I have the following code, and even though I can see (via the inspect) that the response_body does contain one of the strings I’m lo...
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I’ve never interviewed for an Elixir role and was wondering what it would look like to interview in 2025 for such a role. I’m still very ...
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Last Three Year's Trending
What is the way to convert
[ %{id: 7, name: "A", count: 1}, %{id: 8, name: "B", count: 1}, %{id: 9, name: "C", count: 0} ]
to
[ ...
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I have an idea for a mobile game app, I want to use elixir for backend, how is the elixir performance for game backend, any idea?
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Is there any tooling or recommended way to find dead code? As my application starts to grow things can get a little messy especially with...
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I mean to be able to go back to previously used commands using the up arrow key.
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Is there anywhere that “MFA” is described in detail in the official Elixir documentation? I’ve tried to find it before but was unable to....
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I’m trying to look at the docs but I couldn’t find a function that would return element with its index. Is there such a function for list...
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What is the advantage of Ecto over Rails ORM?
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Hi, are there some functions like
Enum.find_first(enumerable, x -> boolen())
# or
Enum.fliter_first(enumerable, func)
Enum.remove_fir...
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I have a table called languages with 4 fields, label, description, locale, and is_active.
label and locale are two different unique fiel...
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Hello everyone can someone please explain to me how do protocols and behaviours work in elixir like I was five years old? I read some art...
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New to Elixir, I’m trying to compile the default project in the getting started guide and get this error:
mix compile
Compiling 1 file (...
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Hello, I just started to learn elixir by following Alchemist Camp’s tutorial. And I had problem with formatting my code in vs code editor...
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Is there an idiomatic way in Elixir to write a case guard to pattern match on the value of a key inside a Keyword List?
The keyword list...
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I want to read an excel file, insert some data, add some data validation functions to the sheet and save the Excel file. I had a look at ...
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I’ve been playing with Phoenix for a while now and I’ve encountered a problem that I simply don’t understand, so I decided to ask for hel...
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Trending Over Three Years
About me? ( if you have nothing better to do than reading about some random guy in the internet :stuck_out_tongue: )
Hello all, this is ...
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I’m not a pro in using Regex and can’t figure out why the following behaviour happens, especially if we take into account the difference ...
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Student & New to elixir. Nice language.
I want to convert a english character, e.g. “a”, which is stored in a variable, to it’s asci...
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Hello everyone,
I’ve got a problem that I cannot rectify.
I work on WSL - Windows 10, Ubuntu 20.04 LTS and elixir version is at 1.9.1. ...
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Hello,
We have been using Elixir and Phoneix for creating REST APIs for a few months now.
But I can’t see the benefits of this switch ...
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I am trying to connect the local DB server from within a docker container and as part of it I am running the command
docker-compose run ...
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I’m failing to render any page, the application takes giving me the following error
[error] #PID<0.1204.0> running ElixirWeb.Endpo...
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Hi everyone, this is my first time writing regular expression. I have a regular expression that helps in validating domain names. I think...
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Hi, I’m having trouble deciding on whether to use Elixir as my main programming language for building web apps which usually won’t involv...
New
Hello
Let me define the problem first.
I have a jsonb database column called results in my Postgres DB. When I save a value (i.e 12\25)...
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Hello, I am just wondering whether this is possible, or am I doing something wrong.
If so, what would be the best way to pattern match t...
New
Is it possible to write a script file that launches the Elixir console, and then compiling files and finally execute a function from a co...
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Is there any IDE or Editor that support Elixir/Phoenix/Ecto Debugging with breakpoints and watches and other stuff?
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Hi, I’m trying to solve a problem where I want to generate all possible combinations from an array, with at most n elements. I was lookin...
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How can i do this in Elixir?
I need to get previous 30 day the Date
Exp. Today 2019/09/12 and i need to get 2019/08/13
DateTime.utc_no...
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