software development

Raspberry Pi: GPIO The Raspberry Pi talks to the outside world through the general-purpose input/output device, known as the GPIO. In this course, instructor Mark Niemann-Ross describes these pins and explains how to use the GPIO to control lights and motors, read data from sensors, and...

Advanced Selenium: 3 Synchronization Strategies One of the most common issues associated with automating GUI applications is flakiness: when sometimes a test works, but sometimes it fails—even though neither the application nor the test changed. One of the most common causes of intermittent...

React: Software Architecture Many React developers have intimate knowledge of the React API itself, but little familiarity with how to create real-world apps on a larger scale while dealing with various stakeholders. The heavy demands on web apps both from a customer and managerial perspective...

React: Design Patterns If you’ve learned the basics of React and have worked on many React applications, chances are you’ve run into some recurring problems and situations, like creating reusable layouts or working with forms. If you’ve been on the hunt for solutions to common problems, look no...

Testing Python Data Science Code The larger and more complex the world of data science becomes, the more data there is to collect, sort, clean, model on, and much more. An emerging pain point in this brave new world is that a lot can go wrong if your data engineering and development practices...