This Week's Trending
This Month's Trending
This Year's Trending
Last Three Year's Trending
Hi :wave:
I had this piece of (working) code:
items =
products
|> Enum.map(fn product ->
params = %{produ...
New
This code is intended to validate a user typed DELETE before deleting their account, but it doesn’t work because add_error isn’t adding t...
New
Hey there :slight_smile:
I was trying to adapt the Contexts Article using the Form Struct and to_form.
I ended up having problems to re...
New
In Django, there is the concept of “non_field_errors”, which exists when a form field has an error that is not specific to any model fiel...
New
The different for_* actions require a specific action atom (i.e. |> for_create(:create, opts) ), so what’s the point of these explicit...
New
I have this schemaless changeset fields
data = %{}
types = %{name: :string, email: :string, age: :integer}
params = %{name: "Callum", e...
New
Hi there!
I’m in the situation where I’m receiving a struct which is also an Ecto Schema (wich embedded_one/many other schemas). To be m...
New
I have observed that after_action hook silently gets ignored when a change is atomic but when I set require_atomic? to false it triggers...
New
Background
I am trying to create a schema with some basic validations. However, when I spin up my app, it looks like the validations are ...
New
Hello Everyone,
I am still quite new to the Phoenix framework and I am struggling with the has_many relationship using ecto and how to r...
New
Hello everyone :slight_smile:
I’m wondering what the accepted approach is for validating values in the new Scope struct. When I run phx....
New
Trending Over Three Years
I want to create some kind of procedure to programmatically transform a changeset’s errors into my own error codes so that I can display ...
New
I’m stumped. I have a LiveView form tied to a Changeset (rather than a schema) like so:
~H"""
<.form as={:form} for={@changeset} :l...
New
The associated data may be given in different formats:
* a map or a keyword list representing changes to be applied to the
associated ...
New
Changeset struct undefined
Hello everbody. I’m just getting started learning Phoenix and I’m trying to create a basic Github clone as a l...
New
Hi there!
Within my form changeset there is a field that holds more than 700 records, I would paginate straight from the DB however I ne...
New
Hi community,
I am doing a test case and I have an associative table with FKs user_id and role_id. When I tried to insert with the repea...
New
What’s the difference in behaviour of required between these uses?
cast_assoc(:author, required: true)
# vs this
validate_required(:auth...
New
I have a map field which stores my mobile_json and I used inputs_for to display the embedded_schema’s fields which looks like:
<%= in...
New
Hi,
I’m trying to create a function for the last couple of hours with no luck so I could really use your help.
So, it’s a Phoenix app a...
New
Hello,
I’m building a small app for learning purposes where I have users and those users can create projects. Projects can have differen...
New
Latest on Elixir Forum
Get money off!
The Pragmatic Bookshelf
35% off any eBook
Manning Publications
45% off any item
ElixirCasts
10% off for life
The Pragmatic Studio
20% off any course
AppSignal
10% off for 12 months
Honeybadger
10% off for 12 months
Simply use coupon code "devtalk.com" or "elixirforum" at checkout!
Filter by Type:
Sub Categories:
Popular Tags
- #ecto
- #liveview
- #troubleshooting
- #learning-elixir
- #deployment
- #library
- #erlang
- #testing
- #genserver
- #mix
- #absinthe
- #remote-other
- #otp
- #plug
- #how-to-question
- #macros
- #postgres
- #channels
- #exunit
- #elixirconf
- #discussion
- #javascript
- #podcasts
- #code-sync
- #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
- #distillery
- #api
- #processes
- #forms
- #metaprogramming
- #security
- #performance
- #hex
Forums
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.
Develop your skills with books, videos, and courses.
Producing high quality Elixir screencasts since 2017.
The deployment platform built for Elixir: PaaS ease, VPS control.
Courses that'll move you from confusion to "Aha, now I get it!"