Testing your hapi applications might require expected values and responses that match a set of data. The code library from hapi’s ecosystem is an assertions library based on chai. Code exposes an expressive and readable language-style interface. You’ll get a grasp on features and the usage in the …

Call adapters are a powerful tool for Retrofit developers. You've learned the basics of Retrofit call adapters in our introduction to call adapters tutorial. We've also published a tutorial on how to integrate RxJava 1.x flow interfaces to your Retrofit callbacks. In this tutorial, you'll learn how to integrate …

Loading images from a server is an error-prone process. The server can be down, the user can be on a slow mobile connection, or completely lose Internet connection. By default, Glide has some timeouts set for you to balance between waiting long enough for the image to be loaded and …

The Futureflix Starter Kit serves two different types of content: movies and TV shows. Each movie separates from all others, even though it’s a pre- or sequel. TV shows are different in a way that they consist of seasons and each season has an amount of episodes. Mongoose comes …

NPM as a package manager provides a lot capabilities outside the actual dependency management. You can leverage a built-in functionality to run scripts which enables the use case of NPM as a build tool. Further, you can define a script within your package.json file that executes various tasks before …

Retrofit is mainly used to interact with well-defined REST APIs. Nevertheless, you can also use Retrofit to crawl HTML sources of websites. In this tutorial, you'll explore how to utilize jspoon and Retrofit to automatically extract content from Wikipedia. In a practical example you'll understand the basic functionality of jspoon …

Android apps usually interact with REST APIs, which often use JSON as a data format. We've focused almost all of our tutorials on sending JSON or XML requests, and converting JSON or XML responses. We briefly explored other data formats in our introduction to converters tutorial, but didn't go into …