Marc Nuri - Blogging about business and technology (Page 12/16) Isotope mail client is a free open source webmail client built with React and Spring Boot. This post introduces its main features and architecture. Tutorial: Set up a React app with Webpack 4, Babel, and Sass. Includes global styles and per-component CSS modules. Step-by-step instructions. Learn how to list installed RPM packages in a Red Hat based Linux distribution or any other distribution that uses the RPM package manager. Intro to Spring MVC testing with MockMvc, showing 3 setup methods and why standaloneSetup combines unit and integration test benefits. How to configure the Spring Boot HTTP application server port using the `server.port` property.' Four solutions for injecting prototype beans into singleton beans in Spring: ObjectProvider, ObjectFactory, @Lookup, and scoped proxies with runnable examples. Complete guide to Spring Framework bean scopes with runnable code examples. Covers singleton, prototype, request, session, application, and websocket. Java 10 was released on March 20, 2018, introducing a new six-month release schedule and several new features. Learn what's new in Java 10. Convert a List to a Map using Java Streams and Collectors.toMap(). Covers handling duplicates, order, immutable maps, and null values. How to define and test custom Spring Data MongoDB repository methods for a book repository with unit tests. Learn why field injection with @Autowired is discouraged in Spring and the recommended alternatives to avoid this warning. How to use a docker + systemd only approach to deploy containers as Linux services without the need for third party tools or complex deployment descriptors. Post navigation