Groovy - What is Memoization?

Memoization (a.k.a tabling) is a technique in programming wherein the result of a function call is stored and when the function is subsequently called with the same parameters, the result is returned from the store instead of executing the function again.

Groovy - How to read and write to excel sheets with Groovy?

Scriptom provides a simple COM library for Groovy. It is a Groovy wrapper around JACOB (Java COM Bridge) which provides access to COM Automation components. Scriptom can be used to work with MS Office tools, Internet Explorer or any other Microsoft Windows COM based components. In this article, you will use Scriptom to read and write to excel files.

Spring MVC - How to handle errors from a controller?

In a web application, it is very important to handle errors. Proper error handling would protect the application from several vulnerabilities, including Security Misconfiguration. In this post, you will see how you can handle exceptions that arise out of a Spring MVC based application.

Java - How to find the IP Address of a host in Java ?

In Java, if you are looking to resolve an IP Address from the given hostname, then you can leverage the capabilities provided by InetAddress. It belongs to the "java.net" package and provides various utilities related to resolving addresses and IPs.