Most Ruby code makes heavy use of mutable state, which often contributes to long term maintenance problems. Mutability can lead to code that’s difficult to understand, libraries and applications that aren’t thread-safe, and tests that are slow and brittle.
We all want to write good code, and there is no shortage of advice on how to do that. SOLID. SOA. SRP. LoD. These are important – without them, we’d all be writing lousy code. But none of them address the single factor that has the biggest impact on the …
Vert.x is an event driven application framework that runs on the JVM, a run-time with real concurrency and unrivalled performance. Vert.x then exposes the API in Ruby, Java, Groovy and JavaScript, with more language implementations to come. This talk is an introduction to the vert.x architecture, programming model, typical patterns …
Do you have to look at Rails models with 2500 lines of code? Or 200 line methods loaded with iterators, conditionals and instance variables? Not only you, even the code author does not understand what’s going on in there.
Ruby and Rails are home to a lot of very smart people who create wonderful things. Some of us work in a different world. Dean Pannell has spent most of the last few years working on applications written by somebody else for Fortune 500 companies that don’t do Ruby on …
Why do we all know a developer who has been pounding out unmaintainable code for a decade or more? Why do people “believe in TDD but I don’t have time to write tests during crunch?” How is it that we have an entire industry based around rescuing teams from acutely …
