Apache Solr Atomic Updates: a Polymorphic Approach

In this post we describe an approach to solve the problem of an application that requires both Full and Atomic Updates, using one of the powerful concepts in Object Oriented Programming: Polymorphism.
Apache Solr: Give the Height the Right Weight

Quantity detection? What is a quantity? And why do we need to detect it?
In this post we introduce a quantity detection plugin for Apache Solr.
IF-LESS code : (Yet Another Time) the State Pattern

State and Strategy Design Patterns in Action
IF-LESS code: State Design Pattern

The State Design Pattern