Let's look at how Ruby gems are structured -- where to put your code, how to namespace it -- as well as see how four popular Ruby gems have done it.

You may have read about metaprogramming before, but how are some of the most popular open-source projects making use of this feature?

A look under the hood at how blocks and procs are used in Ruby.

As nearly everything in this world, quick prototyping benefit comes with a cost — and this cost is a nasty one, because it needs to be paid shortly after you enter production phase.

This blog post describes how to integerate JavasScript for the new Service Worker API into Ruby and Rails applications that uuse Sprockets for the Rails asset pipeline.

We can save a record without updating timestamps in Rails 5                                                  

What it takes to be a full stack web developer.                                                  

PostgreSQL scalability on multicore and multisocket machines became a subject of optimization long time ago once such machines became widely used.

Actionable code coverage tool.

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