Backend>Blogs/Talks

How to report Postgres custom errors in Ecto Changeset

quetz

quetz

How to report Postgres custom errors in Ecto Changeset

Capture a Postgres (or any other RDBMS) custom error in the Ecto.Changeset without raising an exception.

This enables you to handle all the errors in one place without braking your aesthetic Elixir functional code with “try/rescue” constructs.

View thread on forum
/elixir#blog-post#ecto
1 196 0

Where Next?

View thread on forum
elixir
blog-post
ecto
Home Backend>Blogs/Talks
/elixir#blog-post#ecto
1 196 0
Last post

Popular Backend topics Top

Scorpil
Backend>Blogs/Talks

Things Elixir's Phoenix Framework Does Right
I dabbled in Phoenix for a while now, but never really got my hands dirty with it right up until now. Apart from the whole framework bein...
scorpil.com
/elixir/phoenix
17 1525 4
New
CommunityNews
Backend>Blogs/Talks

Optimization - Making Rust Code Go Brrrr
aspenuwu.me
/go/rust#code
2 1429 1
New
First poster: bot
Backend>Blogs/Talks

Rust vs Go
Rust vs Go — Bitfield Consulting. Which is better, Rust or Go? Which language should you choose for your next project, and why? How do t...
bitfieldconsulting.com
/go/rust
0 1590 0
New
ErlangSolutions
Backend>Blogs/Talks

OCaml on the BEAM
Interested in a blazingly fast type checker with 25 years of investment, delivered on the BEAM? Check out Caramel, an exciting project fr...
www2.erlang-solutions.com
/erlang/ocaml#beam/caramel
5 1959 2
New
First poster: bot
Backend>Blogs/Talks

Haskell is a Bad Programming Language (2020)
Such inflammatory, much wow. Unfortunately, Haskell itself agrees. Some languages naturally lend themselves towards adoption. Some don’t...
blog.shitiomatic.tech
/haskell#programming
0 1782 0
New
paulanthonywilson
Backend>Blogs/Talks

Test Driving OTP - creating a registry with expiring entries
Following up on the previous post on using UDP multicasting to broadcast and detect peers on a network, I create a registry of those peer...
furlough.merecomplexities.com
/elixir#otp#test-driven
2 2024 0
New
First poster: bot
Backend>Blogs/Talks

Running Lisp in Production
At Grammarly, the foundation of our business, our core grammar engine, is written in Common Lisp. It currently processes more than a thou...
grammarly.com
/lisp#production
1 1513 0
New
First poster: bot
Backend>Blogs/Talks

Zig Makes Rust Cross-compilation Just Work
This post is a spiritual successor to Loris Cro’s Go cross-compilation. The encounter During a recent stage 2 meeting Jakub Konka wanted...
actually.fyi
/rust/zig
2 1524 0
New
First poster: bot
Backend>Blogs/Talks

Haskell for Beginners
I wrote Python for the last 10 years, and I always tend to write code in a “functional” way - map, filter, lambda and so on, it makes me ...
blog.kalvad.com
/haskell
0 1553 0
New
brainlid
Backend>Blogs/Talks

Created my Personal AI Fitness Trainer in 2 Days
In a 2 day spike, I created my own Elixir-based AI Personal Fitness Trainer! The surprising part for me was how useful and helpful I foun...
fly.io
#ai/elixir#blog-post#fitness#chatgpt#workout
2 1120 0
New

Other popular topics Top

Devtalk
General Dev>Dev Chat

HELLO WORLD (Introductions thread!)
Hello Devtalk World! Please let us know a little about who you are and where you’re from :nerd_face:
#community
481 6762 116
New
Rainer
Community>Journals

Programming Erlang Book Club
My first contact with Erlang was about 2 years ago when I used RabbitMQ, which is written in Erlang, for my job. This made me curious and...
/erlang/book-programming-erlang-2nd-edition#book-club
195 6815 95
New
AstonJ
General Dev>Hardware

Custom keyboard keycaps
There’s a whole world of custom keycaps out there that I didn’t know existed! Check out all of our Keycaps threads here: https://forum....
#hardware/keyboards#keycaps#mechanical-keyboards
15 11086 19
New
AstonJ
General Dev>Hardware

Keyboard thock (sound)
I’ve been hearing quite a lot of comments relating to the sound of a keyboard, with one of the most desirable of these called ‘thock’, he...
/keyboards#mechanical-keyboards
14 11197 8
New
AstonJ
General Dev>Dev Chat

How fast do you type? Check your WPM here!
Do the test and post your score :nerd_face: :keyboard: If possible, please add info such as the keyboard you’re using, the layout (Qw...
typing-speed-test.aoeu.eu
/keyboards
82 7682 31
New
Exadra37
Linux>Questions

What is the most minimalist Linux server distro?
I am asking for any distro that only has the bare-bones to be able to get a shell in the server and then just install the packages as we ...
#linux#servers
66 25846 24
New
PragmaticBookshelf
Backend>Learning Resources

Concurrent Data Processing in Elixir
Learn different ways of writing concurrent code in Elixir and increase your application's performance, without sacrificing scalability or...
pragprog.com
#pragprog/elixir#published-book/book-concurrent-data-processing-in-elixir
78 6059 24
New
AstonJ
General Dev>Hardware

CharaChorder - type at the speed of thought?
Saw this on TikTok of all places! :lol: Anyone heard of them before? Lite:
/keyboards#charachorder
13 4703 4
New
PragmaticBookshelf
Backend>Learning Resources

Programming Ruby 3.2 (5th Edition)
Programming Ruby is the most complete book on Ruby, covering both the language itself and the standard library as well as commonly used t...
twitter.com
#pragprog/ruby/rails#published-book/book-programming-ruby-3-2-5th-edition
28 8550 13
New
First poster: AstonJ
General Dev>In The News

Jan: An open source alternative to ChatGPT that runs on the desktop
Jan | Rethink the Computer. Jan turns your computer into an AI machine by running LLMs locally on your computer. It’s a privacy-focus, l...
jan.ai
#desktop#chatgpt
4 5652 4
New
Back to top

Sponsor Spotlight

WyewWorks

Enabling companies to succeed by building software people love.

Latest in Elixir

Elixir Portal ❯

Backend>Blogs/Talks

Backend Blogs/Talks ❯

Latest on Devtalk

Devtalk ❯

We ❤️ helpful members!

We reward our most helpful members via our MOTM scheme - by giving away a whopping 25 books per year!

Member of the Month

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

View all our sponsors ❯

Categories:

Sub Categories:

Popular Portals

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

View all our sponsors ❯

We're in Beta

About us Mission Statement See our Roadmap