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A Rubyist's Walk Along the C-side (Part 4): Primitive Data Types - Peter Zhu

A Rubyist's Walk Along the C-side (Part 4): Primitive Data Types - Peter Zhu In the previous article, you saw how to call Ruby methods in C extensions. In this article, we’ll look at the primitive data types in the Ruby C API.In Ruby, everything is an object. However, that is not true when writing a C extension as not all ...

Sidekiq good practices

Sidekiq good practices It seems that writing Sidekiq’s workers it’s quite an effortless task. Still, during my eight-year journey with this great library, I experienced too many issues caused by poorly designed background jobs to believe that it’s an easy thing to do.Fo...

Reasons why bugs might feel "impossible"

Reasons why bugs might feel "impossible" Hello! I’m very slowly working on writing a zine about debugging, so I asked on Twitter the other day:If you’ve run into a bug where it felt “impossible” to understand what was happening – what made it feel that way?Of course, bugs always happen f...

Puma graceful restarts

Puma graceful restarts How to configure Puma 5 application server for graceful restarts, and what is the difference between regular, hot, and phased restarts?Application restarts are necessary when things go wrong or whenever we need to push a new application version. B...

On the Diverse And Fantastical Shapes of Testing

On the Diverse And Fantastical Shapes of Testing There's been a recent resurgence on twitter and the like about how teams should divide up their testing efforts. In particular, Tim Bray argues compellingly in favor of taking automated testing seriously. Anyone familiar with my writing will know ...

Understanding RBS, Ruby's new Type Annotation System

Understanding RBS, Ruby's new Type Annotation System Ruby's flexibility has always been both its greatest strength and its greatest weakness. You can write amazingly expressive programs. You can also slip and break them in amazingly expressive ways. RBS is a new type annotation system in Ruby 3 that...

Why is JRuby Slow?

Why is JRuby Slow? Recently, I made some contributions to the continuous integration process for Jekyll. Jekyll is a static site generator created by GitHub and written in Ruby, and it uses Earthly and GitHub Actions to test that it works with Ruby 2.5, 2.7, 3.0, an...

How I organize my Rails apps - Code with Jason

How I organize my Rails apps - Code with Jason Influenced by the experiences I’ve had last ten years of building and maintaining Rails applications, combined with my experiences using other technologies, I’ve developed some ways of structuring Rails applications that have worked out pretty wel...

Active Record Encrytion, several performance optimizations, and much MORE! | Riding Rails

Active Record Encrytion, several performance optimizations, and much MORE! | Riding Rails Hi, zzak here! お久しぶりです! This time I will be recapping the past month or so of Rails. Hang on! There’s a ton of stuff to catch up on!!Active Record EncryptionOriginally extracted from HEY, this feature adds encrypted attributes to Active Record mod...

How and why to Dockerize your Rails app's database - Code with Jason

How and why to Dockerize your Rails app's database - Code with Jason Getting a new developer set up with a Rails app (or any app) can be tedious. Part of the tedium is the chore of manually installing all the dependencies: Ruby, RVM, Rails, PostgreSQL, Redis, etc.It would be really nice if that developer could just...

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