Have you had to use a second Github account to clone a repository and have been unable to do so? As you may have noticed, it's not as simple as doing a git clone of the new repository and you're done. In this case, you will need to do a small configuration of the "config" file in the ".ssh" folder. If you only use one Github account, you probably...

If you are looking for a simple way to add animations to your mobile applications in React Native and Expo, Lottie is an excellent choice. This animation library allows you to incorporate vector animations into your mobile apps. In this post, we will show you how to use Lottie in your React Native and Expo projects. What is Lottie? Lottie is an...

During the development and maintenance of an application, it is essential to ensure that added functionalities and modifications achieve the intended goals while avoiding the emergence of errors or a decrease in performance. For this, it is crucial to implement a solid and efficient testing framework. In this article, we will explore key aspects...

We're starting off this year with a review of the most significant updates in mobile development with Expo over the past year. Expo recently released an update to their SDK, which includes much-anticipated changes. In this article, we'll examine how the new React Native architecture and the latest Expo updates can improve the performance of...

What is TDD? (Test Driven Development) When dealing with a problem, wanting to fix a bug, refine an algorithm or refactor part of the code, it is important to know what is the expected result and what is the current status. Either via TDD or not, these two concepts have to be clear before you start writing code. Otherwise, we will find ourselves...

A lot of new and amazing CSS properties have already come out, but today we will focus on one in particular, the container queries. And you may be thinking, how about new CSS properties? Is CSS4 out or something? The answer is: No, CSS4 has not been released. In another post we will talk about how the new CSS properties and versions are defined....

There are many types of tests, but which ones should you start with? Choosing what to start with is important, since you may be choosing an efficient and progressive path or, on the other hand, having to make a great effort to learn much more than you will need in practice. It is important to be familiar with the concept of "Test" and why you...

In the previous article Mobile development with Expo (React Native) we highlighted the importance of having tools that make development easier, something that we miss in native applications. In this article we are going to see how Expo allows you to accelerate the development of your application. Multi platform Expo's multi-platform approach...

What is CSS-in-JS? It is a styling technique in which the CSS is defined in the JavaScript files where the components are developed, avoiding the use of .css files. This technique became popular with the appearance of libraries or frameworks based on components such as React, Vue or Angular. How to use CSS-in-JS? In order to start styling your...

What is a test? A test is basically an automated mechanism to check if a function, feature or use case still works as it is expected over time and changes. Its implementation varies depending on the language and target. Simulating a user interaction in which several things must work together is not the same as checking if a function returns the...