sheidaei questions

• Inheriting from multiple classes in Java (and possibly not using interface)
• Dynamic url for a tag in Pug (Jade) template
• When to use GenericServlet over HttpServlet?
• How to run Visual Studio Code from the command line?
• How to assign several fields as a primary key of an entity (using JPA) [duplicate]
• What is the main advantage of extending Thread class (or when to extend Thread instead of implement runnable)
• how to figure out what class called a method in java?
• when to use Lazy loading / Eager loading in hibernate?
• How to search through an array in Javascript? [duplicate]
• PostgreSQL data file location

sheidaei answers