You’ve probably written hundreds of Rails migrations by now. You’ve added columns, dropped tables, created indexes, and maybe even thrown in a few puts statements to track what’s happening during those migrations. But here’s something that might surprise […]
Over 80% of developers prefer dark interfaces, and studies show that dark mode can reduce eye strain by up to 60% in low-light conditions. Yet many Rails applications still lack proper dark mode support, often due […]
We’ve all been there: you’re testing a new feature, changing data, and suddenly realize you’re in production, affecting real users. At Unagi, after a few scares, we decided to implement a simple and reusable solution to […]
We recently built a quiz feature that needed to celebrate correct answers with confetti animations. The challenge wasn’t the confetti itself but coordinating between our Rails controller and the frontend JavaScript without mixing concerns or adding […]
Notifications are everywhere in modern web applications. Users expect to be notified when someone comments on their post, shares their content, or invites them to collaborate in a post. But as your Rails application grows, managing […]
Let’s say we want to build a blog application that allows users to highlight text within articles and attach notes to those highlights. The idea is that when a user selects some text, a dialog appears […]
Ruberto is a Ruby gem that allows you to connect Uber’s API to any project. In this first release we focus on Uber Direct—the on-demand delivery service for businesses—although its modular design makes it possible to […]
Let’s imagine we have a dashboard with important data for our business (e.g., number of active users, number of sales, server status). These numbers change over time, and we don’t want to reload the page to […]
There are many times when a user’s action requires updating a page without reloading it. In the past, this often meant writing custom JavaScript, but in Rails 7, it’s possible to use Hotwire and a bit […]
A veces, necesitamos responder a las requests direccionando a diferentes rutas según ciertas condiciones; como pueden ser, si el usuario está logueado o no, desde qué tipo de dispositivo está accediendo (desktop o mobile), o incluso […]
Have you ever tried rebase in a Git repo and failed so badly that you never wanted to use it again? Well, you’re not alone. There should be supporting groups out there (similar to the ones about “how to […]
Eager loading es una técnica utilizada en Rails para cargar en memoria asociaciones de Active Record de manera anticipada, evitando el problema de N + 1 queries. Este problema ocurre cuando, al cargar una colección de […]
Rails nos ofrece validaciones básicas para poder controlar los valores que vamos a persistir en nuestra base de datos. Algunas de ellas son por ejemplo: uniqueness, presence, length, etc. Si en nuestro modelo Person tenemos 3 […]
You’ve finally decided to add RuboCop to your project. You add the gem, run the “rubocop” command for the first time, and get something like this: And now what?… What is an offense? What isn’t? Can you […]
Every time I need information about a project, like the Rails/Ruby version, database adapter, RubyGems version, or JavaScript runtime, I start opening files and checking everything by hand 🫠. Today I learned there is a command […]
The routes.rb file is a crucial part of any Ruby on Rails development project. It’s essentially the map of our application, and keeping it organized is key. We usually start off with everything neat and tidy, organizing routes […]
Starting a business with limited resources is hard, we know that. But thanks to our experience with our clients we have found that sometimes it is best to start with a key question: What is the […]
Ruby on Rails offers a useful feature called Counter Cache that refers to a column in the database that keeps track of how many associated records a model has. It’s particularly useful in scenarios where we […]
Were you aware of template variants in Ruby on Rails? It’s an option that the method render provides and can be used in our controllers to deal with customized layouts or views. Let’s see how it works with […]
In this article, we’re diving into the world of encrypting data at the application level with Active Record Encryption, one of the nifty features baked into Rails 7. So, what’s the scoop on Active Record Encryption? It’s […]
Los tests automáticos nos ayudan a prevenir errores y lograr una mayor estabilidad de nuestro código. Su importancia es innegable, pero en un mundo obsesionado con la inmediatez, he escuchado a muchas personas preguntarse si realmente […]
Podemos encontrarnos con casos en nuestra aplicación de Rails en los que necesitamos excluir algunos conjuntos de registros al recuperar datos. En tales casos, podemos usar el método #excluding para filtrar los registros no deseados. El método #excluding llegó con […]
Offshore software development involves the practice of delegating software development tasks to a third-party company situated in a foreign country. This approach offers numerous advantages to businesses, such as access to a broader talent pool, substantial cost […]
Muchas veces tenemos que realizar varias operaciones en la BD y queremos que esas operaciones se comporten como si fuesen una sola. Es decir, si falla una de esas operaciones, queremos que se deshagan todas. Para lograr […]
Escribir no es importante solo por el texto final que se logra, sino que es mucho más que eso. Es respetar los tiempos del otro. Es organizar nuestras ideas antes de compartirlas. Es dejar registro a […]
Una de las decisiones que uno debe tomar al comenzar un desarrollo es si va a utilizar internacionalización (I18n) para los textos. Es decir, que la aplicación pueda ser traducida y adaptada a las necesidades de diferentes culturas […]
