Latest #map Threads 
I wrote a sample module that overrides Jason.Encoder.encode protocol for Map.
defmodule JsonEncoder do
defimpl Jason.Encoder, for: Map...
New
I want to use get_in(data, keys) for a nested map with some values having a list with maps.
map = %{a: 1, aa: [%{b: 2}, %{bb: 22}], aaa:...
New
Dear all,
I have error when try mix phx.server
warning: using map.field notation (without parentheses) to invoke function FileSystem.Ba...
New
Hello!
I’m trying to filter list of maps to remove items where value of key was declared previously in this list. List that I have:
lis...
New
I’ve just released what I believe is a production-ready version of my library, es6_maps.
es6_maps hacks into the Elixir compiler to enab...
New
I have a map:
@legacy %{
wooabsa: "woocommerce_gateway_absa",
woocommerce_absa: "woocommerce_gatewa...
New
In a case you have to create a Map with 15 ~ 20 fields, who is more performatic? A hardcoded map
%{foo: 1, bar: 2, baz: 3 ...}
Or build...
New
While profiling and optimizing some performance critical code, I noticed that Map.take was one of the biggest contributors to the overall...
New
In some tests, we need to compare 2 structs between each other. However when we build
the test struct: this is done manually
%{
data...
New
Hello friends, I have a list that I want to update it (3 level nested), and I need your suggestion to create better code
The list
elemen...
New
This Week's Trending
This Month's Trending
This Year's Trending
I wrote a sample module that overrides Jason.Encoder.encode protocol for Map.
defmodule JsonEncoder do
defimpl Jason.Encoder, for: Map...
New
Last Three Year's Trending
In some tests, we need to compare 2 structs between each other. However when we build
the test struct: this is done manually
%{
data...
New
Dear all,
I have error when try mix phx.server
warning: using map.field notation (without parentheses) to invoke function FileSystem.Ba...
New
I’ve just released what I believe is a production-ready version of my library, es6_maps.
es6_maps hacks into the Elixir compiler to enab...
New
While profiling and optimizing some performance critical code, I noticed that Map.take was one of the biggest contributors to the overall...
New
In a case you have to create a Map with 15 ~ 20 fields, who is more performatic? A hardcoded map
%{foo: 1, bar: 2, baz: 3 ...}
Or build...
New
Hello!
I’m trying to filter list of maps to remove items where value of key was declared previously in this list. List that I have:
lis...
New
I have a map:
@legacy %{
wooabsa: "woocommerce_gateway_absa",
woocommerce_absa: "woocommerce_gatewa...
New
I want to use get_in(data, keys) for a nested map with some values having a list with maps.
map = %{a: 1, aa: [%{b: 2}, %{bb: 22}], aaa:...
New
Trending Over Three Years
What is Elixir way to “merge” / “map” two sparse maps onto one? I want to apply some function on both or single value from these maps. By...
New
Given the output of IO.inspect on a map, is there any way to parse that string back into a map?
For a one-shot hack, one could put them ...
New
Hi all, I have a .txt file with information like this
11111 0
11112 1
11113 2
11114 3
11115 4
11116 5
11121 6
11122 7
…
66664 z...
New
Hello
I’m new to elixir and i’m struggling with this problem
I’ve a map lets call it order and that has several products
I want to loo...
New
Hello friends, I have a list that I want to update it (3 level nested), and I need your suggestion to create better code
The list
elemen...
New
Hi,
Been lurking here for a while (that is, via google), gotten a lot of help from people’s Q&As in the past, but I’ve gotten stuck ...
New
Hi, how to convert a list like this to nested map in elixir ?
[
{"_id", "idhere"},
{"App-Version", "version_here"},
{"TX-ID", "tx-...
New
Hi!!
Im looking to do this but cant due to nested captures:
Enum.map( &Kernel.apply( &Kernel.-/2, &1 ) )
Certainly this ca...
New
Hi folks,
In an interview, the interviewer asked me, imagine you use a Task and send four requests to 4 APIs. When 2 or 3 requests answe...
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:
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.
Practical resources that improve the lives of professional developers.
Develop your skills with books, videos, and courses.
Enabling companies to succeed by building software people love.
Courses that'll move you from confusion to "Aha, now I get it!"