Is the discount code still valid? Is there a new one for 2019?
dimitarvp
david_ex
Deviltry
Example app Blitzy doesn’t work, sadly. I mean it works on local machine, and works in the same network, but when machines are on different network:
** (EXIT from #PID<0.133.0>) no process: the process is not alive or there's no process currently associated with the given name, possibly because its application isn't started
Anyone knows a book that guides on how to write distributed application? Because this book seems to make you build unreliable crap that will tip over on slightest network delay.
Would not recommend.
0
pillaiindu
Today I was reading reviews for The little Elixir and OTP guidebook at SafariBooks / Oreilly Learning and there was a review as follows;
Nice book to learn elixir by working on some interesting project. It can be good to start reading this book after some reference book like Introducing Elixir. However, as Elixir is a relatively young language and develops fast, many code snippets in this book are already outdated today (like :simple_one_to_one strategy or supervisor() function for child spec).
I wanted to start reading this book to grasp OTP better, as sadly I can’t buy the new book Designing Elixir Systems with OTP right now, but this review suggests that I may stuck at some point while following this book.
Do you guys recommend reading The little Elixir and OTP guidebook? If yes, what should I take care of to not stuck?
(Note: I also have Elixir in Action 2nd edition).
0
peerreynders
pillaiindu
maz
I have this book, I agree with the above but Manning really needs to publish a 2nd edition with code examples updated for at least elixir 1.6/1.7. Dynamic Supervisor is missing from this book. If you want to learn about Dynamic Supervisor, with a reference to the books “Pooly” code see:
http://davidsulc.com/blog/2018/07/09/pooltoy-a-toy-process-pool-manager-in-elixir-1-6/
3
Exadra37
This why I love to use Docker for my development workflow…
So for this book I would check the release date for it, and use a docker image with the Elixir version more close to that date.
$ sudo docker run -it --name elixirapp elixir:1.3 bash
Unable to find image 'elixir:1.3' locally
1.3: Pulling from library/elixir
d660b1f15b9b: Pull complete
46dde23c37b3: Pull complete
6ebaeb074589: Pull complete
e7428f935583: Pull complete
c52465673432: Pull complete
51bc68b788c7: Pull complete
78a593679a61: Pull complete
894bd32a127f: Pull complete
Digest: sha256:815c87fdb1c148cb21e544fb0d604f6a231d7c913c40b93bc4ac80960039ad08
Status: Downloaded newer image for elixir:1.3
I have no name!@4883a44030f4:/$ iex
Erlang/OTP 19 [erts-8.3.5.4] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:10] [hipe] [kernel-poll:false]
Interactive Elixir (1.3.4) - press Ctrl+C to exit (type h() ENTER for help)
iex(1)>
But for a proper development setup you need more, and I am almost finishing a docker stack for development in Elixir, that includes:
- Elixir
- Phoenix
- PostgreSQL
- Observer
So with this approach you quickly spin any Elixir version in your computer to do whatsoever you need and discard it afterwards without polluting your Operating system.
0
maz
Exadra37
Does not give you the same isolation Docker gives you… neither is portable to other environments in an immutable way.
I can install as many versions as I want of Elixir combined with as many as I want from Phoenix, and when I am done I just remove the container and the docker image for it.
So my projects have a .env.elixir-docker-stack that will set the Elixir and Phoenix to use on the project.
# .env.elixir-docker-stack
elixir_version=1.7-slim
phoenix_version=1.3.4
dockerfile=debian
0