How atom keys with JSON in Ecto can break your system
If you use the map type in your Ecto schema, you definitely should read this article. It'll help you to avoid possible system failures.
Ecto.Query.preload/3 vs. Ecto.Repo.preload/3
Which is better Ecto.Query.preload/3 or Ecto.Repo.preload/3? Read and find out what are the main differences.
Renaming column and table in database migrations with Elixir and PostgreSQL
Step by step tutorial on what to do to guarantee zero downtime deployment, while deploying a new version of our application on more than one node.
Decomposing domain models based on lifecycles
There is no one golden solution to decomposing. As it is one of the hardest things to do, it is essential to know the various approaches. That is exactly what you'll find in this article.
Modular software design - 10 common mistakes
Modular software design is all about dividing functionalities into independent pieces - modules. Learn what are the most common mistakes to avoid.
Is Code Review harmful?
How does code review affect your team? Can it be harmful? This article lists some issues that can be related to code review and some ideas for improvement.
Concurrency and parallelism with Elixir and BEAM
Patryk from our Backend team explains the differences between concurrency and parallelism, based on Elixir and BEAM.
Handling failures in background workers with Elixir and supervisors
Elixir allows us to write systems that can run practically forever. Does that mean that we don't have to do anything to make our systems reliable?
Why shouldn't you use Elixir code in database migrations?
Elixir code used in migrations can cause troubles when we decide to start up our system with an empty database. But we'll help you to deal with that!
How to migrate live production data
Even simple migrations can be dangerous and when executed incorrectly can lead to errors and downtimes. Avoid these problems with our dev team tips.
Should you use database transactions for data consistency?
In our systems, most business actions require changes across multiple contexts. How can we keep these contexts consistent?
Don't tell me how to test my software
Why do you write tests? Get to know the most important reasons and change your approach with an eye-opening article from AppUnite team member.
Events and different kinds of coupling
Piece of meaningful advice for developers on when and why you should or shouldn't use events.
The Big Ideas
If you look at the history of Computer Science, you can see that there are few big ideas that keep emerging. Is there a lesson that we may learn from this?
Migrate from legacy FCM to FCM HTTP v1
In this article, I will show you how easy is to migrate from Legacy Firebase Cloud Messaging to new FCM HTTP v1 service.
Quick look at new :gen_server handle_continue callback
Erlang OTP 21.0 has been released today and I’m going to describe how new :gen_server handle_continue callback works.