Unit testing in Kotlin with JUnit 5 and MockK
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I recently discovered MockK, a mocking library created for Kotlin. Let's see how it is possible to write modern unit tests with MockK + JUnit 5. [...]
Spring Boot + Kotlin Rest client cheatsheet: RestTemplate and Webclient
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During the last months I worked a lot with Spring Boot backend applications. In this post I explain how you can consume a REST api from a Spring Boot application using RestTemplate and (the new) WebClient. [...]
Swift Package Manager: bundling resources with a Swift Package
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Recently I upgraded my ID3TagEditor swift package to the latest Swift tools version (5.3). During the upgraded I discovered that now you can bundle resources with your Swift package. In this post I will show you how you can do this, and also an interesting trick in order to be able to build a project as a Swift Package and as a standard project from Xcode. [...]
Create a service worker with Workbox, Webpack and TypeScript
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Recently I migrated my website to Webpack and TypeScript. I decided also to give a try to Workbox, a set of Google libraries to improve the creation of a Progressive Web App. Let's see how easy it is to create a PWA with this tools. [...]
Use UIKit components in SwiftUI: UIViewControllerRepresentable and UIViewRepresentable
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Do you know that it is possible to use UKit components in SwiftUI? Let's see how you can use UIViewRepresentable and UIViewControllerRepresentable to use your UIKit based component or to fill the gap for missing SwiftUI API. [...]
Lazy loading of JavaScript modules by using dynamic imports and code splitting with Webpack
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Most of the time you have a big JavaScript codebase for your website but you need only a small fraction of it when a page is requested. Is it possible to load chunks of JavaScript code only when they are really needed? Yes you can with Webpack and its code splitting feature based on a syntax equal to the one of ES2020 dynamic imports. [...]
Add dark mode support on your website with SASS and prefers-color-scheme media query
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Dark mode support has been around for quite some time. Let's see how you can create a light theme and a dark theme for your website that will be selected automatically based on the user system preference. [...]