The goal of this article is to understand the group_by method from a theoretical and practical point of view, both for Ruby, and Rails. What is the group_by method in Ruby? The .group_by method is included in Ruby’s Enumerable module. We have already written about the Enumerable module and Enumerators in previous blog entries. This is because of the importance of these …
The faker gem for Rails is here to help your test database to be seeded with real-looking test data. Let’s see how. What is Faker? During the development process, it is often necessary to test the application to work with real data. Moreover, the data should be as close as possible to the real ones, …
Databases are the pillar of web application. The key is to understand how they work and the related tools, going from standard SQL language to Arel. Rails: Applications, databases and the Active Record Ruby on Rails is a powerful framework to create applications based on the MVC Architecture. One of its most valuable assets is that …
Understanding loops and how they work will help you write robust and efficient applications and interfaces. What is a loop? We can explain looping as the action of repeating the same thing over and over. In programming, as in real life, we need assembly lines. Imagine a cake factory that has a defined process: mix …
In this article, we’ll see how to set up JavaScript testing, with Jest, for a brand new Rails 7 project. Prerequisites for Ruby, Rails, and JS environment Here are the tools I used for this tutorial. Create new Rails app – no JavaScript yet Now wait for a minute… okay ! you have now a …
How to set up JavaScript testing for Rails 7 with Jest Read More »
Ruby developers can identify probable errors and handle them so that the application does not break. This is what we call exception handling. Exception handling in the programming world Every application is meant to enable user interaction and has a specific purpose to add value. However, applications, like any other service, can sometimes run into …
You can use a SaaS to monitor your logs, but you can also directly implement this feature inside your Ruby-on-Rails stack. What is log monitoring “Log monitoring” means tracking warnings and bugs. And put a backtrace history in a file accessible to the team. Locally, you don’t need this because each error will be printed in …
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Avo is a tool that empowers developers to create beautiful admin panels for Ruby-on-Rails apps quickly. Avo Overview AvoHQ main promise is to remove boilerplate. It’s an alternative to the Rails administrate gem. Avo’s primary purpose is to manage database records for Rails applications. To do this, it uses the concept of a resource that corresponds to a model. …
The enumerable module is one of the most important modules in Ruby, it includes a wide range of methods that help us to interact with collections of data. Introduction to the enumerable module Modules are the major result of inheritance, since they allow us to execute actions without having to write code and sharing features …
Tailwind CSS is a utility-first CSS framework with tons of classes that can be used to build any design directly in HTML. Why should you use Tailwind CSS with Rails? Tailwind CSS’s core concept is its utility-first fundamentals, aka being able to build complex components from a constrained set of simple utilities. This brings many …