Metaprogramming

Metaprogramming is a technique in which software programs write and modify other software programs, including themselves. Learn how metaprogramming can be used to optimize and organize your code.

Write better Ruby code by leveraging its metaprogramming features. In this article, you will learn how to create your own Ruby domain specific language (DSL).

Ruby metaprogramming, one of the most interesting aspects of Ruby, enables the programming language to achieve an extreme level of expressiveness. It is because of this very feature that many gems, such as RSpec and ActiveRecord, can work the way they do. In this article, Toptal engineer Nikola Todorovic demystifies Ruby metaprogramming using some examples that are relevant to everyday programming and aims to bring it closer to average Ruby developers.

In Java development, a typical workflow involves restarting the server with every class change, and no one complains about it. But is Java class reloading that difficult to achieve? And could that problem be both challenging and exciting to solve? In this article, I will try to address the problem, help you gain all the benefits of on-the-fly class reloading, and boost your productivity immensely.