In this article, I’ll show basic concepts for handling concurrent requests by building a banking web application. When coding, there are some traps we need to pay attention to, specially because it’s not an easy-to-test scenario. Bank Account Application Scope

One day I was trying to learn the deep concepts of RabbitMQ, its use cases and why it’s different from other message brokers. I’ve started by reading the cool documentation and then I was eager to try it out in a demo application. Turns out it wasn’t so easy to…

Users are loving your application and you want to give them more joy. What could bring them more happiness than email notifications?

You’re already feeling confident with your test skills and all your teammates envy you talking about mocks and stubs. But now you’re faced with a new challenge, you only need to verify some properties of an argument, otherwise your tests will fail miserably.

Let’s suppose you are a developer working on an eCommerce, and you’re given the responsibility for this feature: In the Cart screen, user should be able to add more of an existing product there, and change its color. One intuitive solution in this context could be instantiating a new product…

Introduction

Introduction When I’ve been promoted to a leadership position, one of my greatest challenges was the management of other developers on career progression. …

Content Part 1: Introduction and setup Part 2: Location data and managing dependencies Part 3: Continuous Integration Part 4: Streaming location Part 5: Network layer Part 6: State management Introduction So far we have created a reliable source of data for our app, and we now we will work towards creating a…

Content Part 1: Introduction and setup Part 2: Location data and managing dependencies Part 3: Continuous Integration Part 4: Streaming location Part 5: Network layer Part 6: State management Introduction When I was elaborating the scope for this app, I didn’t want the main data source to be a simple API call…