Systems | Development | Analytics | API | Testing

In this article we’re going to examine how a SwiftUI Form can used in our SwiftUI apps. This will be a very technical article useful for any iOS developer, during which we’ll take a deep-dive into the code and then create a SwiftUI Form that combines a user profile with a settings screen. Table of Contents.

RSpec is a library for writing and running tests in Ruby applications. As its landing page states, RSpec is: "Behaviour Driven Development for Ruby. Making TDD productive and fun". We will return to that last part later. This post, the first of a two-part series, will focus on introducing RSpec and exploring how RSpec especially helps with Behaviour Driven Development in Ruby. Let's dive in!

“Subscriptable” is just a fancy way of saying "something you can use square brackets on to get parts from it.” For example, my_list accesses the element at 0 and key, respectively. In Python you can only use square brackets [] to access elements of a list, array, or dictionary. If you try to do the same thing with a function, you get the “function object is not subscriptable” error.

The human brain is a prediction machine. It sees patterns, then makes predictions from previous experiences. This part of human intelligence has been critical to our survival. For example, many years ago, a forager might have eaten a particular berry, gotten sick, and thus learned the clues that indicate that a berry is poisonous. This would happen automatically—we’d get nauseous when seeing the berry again, which would make us steer clear.

This article is based on Ballerina Swan Lake Update 4 (2201.4.0).

This article is based on Ballerina Swan Lake Update 6 (2201.6.0).

Most organizations are prioritizing digital transformation to remain competitive. To achieve this competitive advantage, the use of application programming interfaces (APIs) is skyrocketing — and not just among tech companies. Today, there are many industries that use APIs, some of the most prominent ones are E-commerce, healthcare, government, manufacturing, and financial services.