Installation Docker Img 1 $ docker pull redis 2.1 $ docker run –name some-redis -d redis This image includes EXPOSE 6379 (the redis port), so standard container linking will make it automatically available to the linked containers (as the following...
Design Patterns Category Design Patterns Index 23. Visitor Intent: Represent an operation to be performed on the elements of an objects tructure. Visitor lets you define a new operation without changing the classes of the elements on which it operates....
Design Patterns Category Design Patterns Index 22. Template Method Intent: Define the skeleton of an algorithm in an operation, deferring some steps to subclasses. Template Method lets subclasses redefine certain steps of an algorithm without changing the algorithm’s structure. Applicability:...
Design Patterns Category Design Patterns Index 21. Strategy Intent: Define a family of algorithms, encapsulate each one, and make them interchangeable. Strategy lets the algorithm vary independently from clients that use it. Also Known As: Policy Applicability: many related classes...
Design Patterns Category Design Patterns Index 20. State Intent: Allow an object to alter its behavior when its internal state changes.The object will appear to change its class. Also Known As: Objects for States Applicability: An object’s behavior depends on...