Visitor defines a Visitor operation for each ConcreteElement class. ConcreteVisitor Implements visitor operations. Element contains an Accept operation that would take a visitor as an argument.

You can't make a complicated problem simple. But, by leveraging the right tools in your language (and the Visitor pattern) you can ensure that your code doesn't get as complicated as your problem. In ...

The Visitor design pattern provides flexibility in your designs by enabling you to define a new operation without needing to change the types of the elements on which it would operate The Visitor ...

Moving from Analysis to Design phase, designers try to make the software system very maintainable through selecting all the functions that are used frequently by most of the use cases and make ...

In of this three-part series introducing design patterns, I referred to Design Patterns: Elements of Reusable Object-Oriented Design. This classic was written by Erich Gamma, Richard Helm, Ralph ...

Social media data provide a reliable information to support decision-making in national parks. Researchers from the Digital Geography at the University of Helsinki have been studying whether social ...

My partner and I are getting ready to implement the interpreter part of our compiler. Originally, we had generated an AST by basically iterating through everything, and creating a node and then it ...

To understand more about the impacts of location, Near looked in depth at the two most popular McDonald’s for Javits Conference Center visitors. We looked into the patterns of visitation by time of ...

Researchers from the Digital Geography at the University of Helsinki have been studying whether social media data could be used to understand visitor's activities in national parks and most recent ...