When you are building from scratch, time is not just a factor. It’s often the deciding factor. The sooner you can put something real in front of users, the greater your chances of survival. That is […]
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 […]
While it’s true that we already have an infinite scroll article at Unagi, some releases have happened since it was written regarding the amazing Pagy gem. The implementation is almost identical to our previous article, but the performance improvements […]
Imagine we’re building a web application to organize our personal trip albums. We could have a list of albums, and when you click on each album, a grid of photos would be displayed. The HTML layout […]
Let’s imagine an app with a search page. This page displays some content unrelated to search and includes a form for users to search within the app. To avoid reloading the whole page, we decided 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 […]
I don’t need to emphasize the huge use that notifications have in modern applications, we can just think of everyday situations. You go into a website that has a contact form, fill in your email, subject, […]
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 […]
If you use Ruby on Rails, you’ve probably had that moment of surprise when you realize Rails already provides a method that does exactly what you needed. But have you ever wondered what’s behind those methods? […]
In this article, we’re going to keep digging into the cool stuff that Turbo and Hotwire have to offer. This time we’re going to build a Planning Poker web application, enabling users to participate in estimation […]
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 […]
When we have an object with a belongs_to relationship, we often use a select tag to list the data of the related entity. For example, we might have a select with all the available categories for a product […]
Today we’re discussing Cache Stampedes in Ruby on Rails and how to prevent them using :race_condition_ttl. What is a Cache Stampede? Imagine we have many applications (or threads) that need the same information from our database. We […]
When we add the belongs_to line to a model in Ruby on Rails, it introduces several helpful methods to manage associations. Some of them are pretty familiar to most of us, but others aren’t, so here’s a brief […]
When building a web application, security is crucial. While complex authentication systems like OAuth or Devise are almost always necessary for comprehensive security, there are scenarios where simpler methods are sufficient. One such method is HTTP […]
Avoid dealing with long and complex regular expressions to validate email addresses in your Ruby on Rails models. You can make your code cleaner and more straightforward by using URI::MailTo::EMAIL_REGEXP. The Custom RegEx Way While it’s possible […]
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 […]
ActiveSupport::StringInquirer is a cool class in Ruby on Rails that comes in handy to deal with strings as boolean-like objects. It’s great for making conditional logic simpler and improving our code readability. When you wrap a string […]
Did you know Ruby on Rails provides a couple of parameters for rails routes that will maximize your productivity? Let’s see how it works. Grep through Rails Routes You can grep through Rails routes with the `-g` option, […]
Ruby on Rails offers a wide range of tools and modules to make application development more efficient and structured. One of these modules is ActiveSupport::Configurable, which provides an elegant approach to handling configurations in our classes. What […]
Did you know you can jazz up your Rails console with custom methods? It’s super handy for those everyday tasks, like logging in or measuring how long it takes to execute a code block. To do […]
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 […]
En este artículo veremos cómo encriptar datos a nivel de aplicación con Active Record Encryption, una de las features incorporadas en Rails 7. Active Record Encryption sirve para proteger información sensible en nuestra aplicación, como datos de […]
Los health checks son comprobaciones que se realizan periódicamente para asegurarnos de que una o más partes de nuestra aplicación estén funcionando correctamente. Son una pieza clave para monitorear la salud de nuestra app, ya que sirven para […]
Una de las razones más comunes por las cuales una aplicación puede volverse lenta tiene que ver con las operaciones con la Base de Datos.Las consultas SQL pueden resultar muy costosas en términos de tiempos y […]
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 […]
