• package- lock.json and yarn.lock Is your best friend


    Why keep them and when to abandon them? Have you ever encountered and thought about the following problems? What is a package- lock.json (or yarn.lock )? Why do we need it? My package- lock.json There is a conflict in the file I ignore it when I submit I’m going to delete it Worse, you may […]

  • How much do you know about Java programming principles


    Seven principles of programming 1、 Principle of opening and closing The function module we designed is open to extension and closed to modification: using interface oriented (Abstract) programming (polymorphism) to realize the extension of function requirements, while not allowing to change the original code. Improve the reusability, maintainability and flexibility of objects. In abstract, we […]