Of course you can still use AR validations, that is not my point. But data consistency related validations should not trust AR for that, for example, if you have a “unique” constraint, and you are just trusting the database, it is really easy to break the DB consistency if for some reason you have a…
Category: articles
Have you ever needed to provide an “advanced search” to your users?
Working on a project some time ago, and my boss wanted to have an advanced search, where the users could write the search, adding fields, values, like you can do with google, but tailored for our application. In google you can do things like searching for all posts from sobrecodigo.com that have Ruby in the…
The easiest way to use sidekiq without Rails
Sidekiq is usually my “goto” backend processing engine when I’m writing a Rails application. Recently I had to write a small app that was not a web app, so it didn’t needed Rails, but I’m very comfortable with Ruby, and decided to write the background processing app, or a small “daemon” as we called it…
How to deploy your dockerized rails app to AWS
Back to docker and Rails, we’ve talked some time ago about how to dockerise your rails app, using docker and docker-compose to share a development environment configuration. To do that, we’ll use ECS service, that is the Elastic Container Service, this will allow us to build a docker container image, upload it to an ECS…
ActiveJob and declarative exception handling in your background workers
Rails 5.2.1 was recently released, and released and it brought some improvements to ActiveJob (most of it was already in 5.1 really, the only thing added on 5.2 was the callback on discard_on), but lets keep in the subject here 😀 Recently I published a very basic post about ActiveJob, and these declarative exception handling…
6 Sidekiq tips and tricks for performance, mantainability and happiness!
This is a very opinionated post, with some performance tips from someone that uses sidekiq for more than two years now, as as such I have already did some mistakes and learnt some tricks. My current opinion is that sidekiq is the best backend job engine for ruby/rails applications. And of course to use it…
Do you wanna see tabular data in your rails console? check here to learn how!
Have you ever thought about how Rails console was not built for you to read the results of a query that returns more than one object? So, you are not the only one, and that is why there is a gem called ‘hirb’ that will blow your mind, it will make pretty tables of the…
Are you tired of typing always the same things on Rails console? what if you don’t need anymore?
After you spend some time working in the same Rails project, being this project whatever project you are working for some time now, you probably use the Rails console a lot, many reasons: Testing code Seting up data Using “binding.pry” to “debug” some controller or model Put whatever you are doing in “rails c” now…
Learn how to make your Rails logs smarter with log_tags!
When you look at the logs of your application in development, they may appear clear and concise to you (probably not thou), but when you are looking at the production logs and there are many simultaneous requests, sometimes it is difficult to know exactly what like of the log is the next entry, or what…
3 simple words you can use to improve your ruby code: ‘redo’, ‘retry’ and ‘next’
As programmers we usually select our preferred tools, our preferred language, IDE, code editor, … For the last years, my favorite programming language is Ruby, not only because of Rails (but of course it has something to do with it), but because the language is powerful and flexible, and as such has many details that…