pelinski46
Problems with Integer.digits when the number is 99
defmodule Kata do
def sum_digits(number) do
number
|> abs()
|> Integer.digits()
end
end
iex(42)> Kata.sum_digits(99)
~c"\t\t"
iex(43)> Kata.sum_digits(94)
[9, 4]
iex(44)> Kata.sum_digits(100)
[1, 0, 0]
Marked As Solved
Popular in Questions
Hi All,
I set a environment variables in dev.exs , like below code.
when i start server, how can i set the ${enable} value?
thanks.
d...
New
I am constructing a JSON object (map) and I need to conditionally set a field. I’m trying to write proper elixir-way code… and I’m at a l...
New
We have an ECS cluster with 4 services, where each task joins a single cluster, via discovery ECS discovery service.
Currently when I de...
New
ExUnit now has describe blocks which is a welcome addition coming from RSpec. In the docs, it states that nested hierarchies of describe ...
New
How to bind a phoenix app to a specific ip address?
could not find anything about that, nowhere, unfortunately, but for me this is quite...
New
I am trying to implement my new.html.eex file to create new posts on my website.
new.html.eex:
<h1>Create Post</h1>
<%= ...
New
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...
New
Hi all,
Trying to get some more clarity over utc_datetime and naive_datetime for Ecto:
The documentation above suggests that while ...
New
I tried installing
elixir 1.11.2
erlang 23.3.4
via asdf in my zsh shell. Enabled the versions locally and globally.
When I list them ...
New
Hi there,
I am working with Ecto-Postgresql and I need to call all of the records from a specific table but the table has 40,000 records...
New
Other popular topics
Hello everyone,
I try to use an Javascript Event Handler in my root.html.leex file.
Therefore I created a function in the app.js file: ...
New
Hi,
I am new to Elixir. I am trying to use the DateTime component to insert a date into MySQL however the there seems to be no way to fo...
New
Hey all,
I discovered Elixir and I love it. I always wanted to learn a functional programming and I intended to go for Haskell, but afte...
New
Phoenix 1.4.0 released
Phoenix 1.4 is out! This release ships with exciting new features, most notably
with HTTP2 support, improved deve...
New
Surface is an experimental library built on top of Phoenix LiveView and its new LiveComponent API that aims to provide a more declarative...
New
In templates/appointment/index.html.eex:
<%= for appointment <- @appointments do %>
<tr>
<td><%= appoi...
New
Hello guys,
I have finally made it. I created an admin interface for a framework. It’s been on my todo list for years and with the curre...
New
I am VERY much an elixir newbie. I have taken one elixir course and one phoenix course on Udemy. During that course, I saw the instructor...
New
What is the proper way to load a module from a file in to IEX?
In the python world, doing something like this pretty standard:
from ....
New
Hello!
Sorry for this astonishing simple question, but I’m really stuck. I try to set up the intellij-elixir plugin, but I don’t know ho...
New
Latest on Elixir Forum
Sponsor Spotlight
Enabling companies to succeed by building software people love.
Categories:
Sub Categories:
Forums
Popular Tags
- #ecto
- #liveview
- #troubleshooting
- #learning-elixir
- #deployment
- #library
- #erlang
- #testing
- #genserver
- #mix
- #absinthe
- #remote-other
- #otp
- #plug
- #how-to-question
- #macros
- #postgres
- #channels
- #elixirconf
- #exunit
- #discussion
- #code-sync
- #javascript
- #podcasts
- #onsite
- #dialyzer
- #docker
- #authentication
- #umbrella
- #full-time-contract
- #podcasts-by-brainlid
- #ecto-query
- #elixir-ls
- #phoenix_html
- #iex
- #blog-post
- #graphql
- #genstage
- #ai
- #websockets
- #supervisor
- #advent-of-code
- #elixirconf-us
- #distillery
- #processes
- #forms
- #api
- #metaprogramming
- #security
- #performance
Our Sponsors
Build Elixir applications with speed and confidence.
Supporting innovation across the BEAM ecosystem.
We build reliable cloud platforms for business-critical systems.
Catch errors, track performance, monitor hosts and more.
Real-time error tracking, performance insights, and observability for devs.
Practical resources that improve the lives of professional developers.
Develop your skills with books, videos, and courses.
The deployment platform built for Elixir: PaaS ease, VPS control.
Courses that'll move you from confusion to "Aha, now I get it!"