Ruby On Rails

Tutorials

Let's make Tetris with DragonRuby Game Toolkit! (Part 1) - YouTube

Let's make Tetris with DragonRuby Game Toolkit! (Part 1) - YouTube Let's build Tetris with DragonRuby Game Toolkit!Programming experience needed, but you don't need to be a game developer or know Ruby.Definitely crank this up to HD and maybe go fullscreen, so you can see my tiny font. :) I'll do a second part,...

Definitive Pattern Matching - Array-like Structures

Definitive Pattern Matching - Array-like Structures This is the start of a series on Ruby Pattern Matching, the goal of which is to provide a definitive reference on the nuances, best practices, and common usages of Pattern Matching, a new feature introduced in Ruby 2.7.For this post we'll be takin...

Three Performance Requirements

Three Performance Requirements Engineering is the process of designing a system that meets certain requirements, while staying within given limitations and constraints. For most background job systems, the only constraint is budget, because the cloud has made access to hardware...

Launch: Scheduled Autoscaling

Launch: Scheduled Autoscaling You can now define custom weekly or daily schedules in Rails Autoscale!Rails Autoscale is all about scaling your Heroku apps automatically. We don't want you to have to think about how many dynos your app needs.But sometimes you really do know bes...

Debugging an Assertion Error in Ruby

Debugging an Assertion Error in Ruby I hope nobody runs in to a problem where they need the information in this post, but in case you do, I hope this post is helpful. (I’m talking to you, future Aaron! lol)I committed a patch to Ruby that caused the tests to start failing. This was t...

How to completely uninstall and reinstall Homebrew Postgres

How to completely uninstall and reinstall Homebrew Postgres Lately, I’m finding that Postgres is becoming more and more vital to my development workflow. My days of leaning on an ORM like Rails’ ActiveRecord in order to get away with treating the database as a dumb hash are long behind me.As a result, even...

Ruby Garbage Collection Deep Dive

Ruby Garbage Collection Deep Dive There’s an old saying that we can learn a lot about people by looking at their trash. The same can hold true about programming languages. More precisely, we can learn a lot about a programming language by looking at its garbage collection. This po...

3 Practical Uses of Ruby's `method_missing`.

3 Practical Uses of Ruby's `method_missing`. Learn the practical uses of Ruby's method_missing. You can use the method_missing method to handle errors, delegate methods and build DSLs.We define methods inside classes. Ruby traverses a method lookup path when an object calls a method, startin...

Developing with Docker (ENG) - Mo Khan | Ruby Meditation 30 - YouTube

Developing with Docker (ENG) - Mo Khan | Ruby Meditation 30 - YouTube I hope that the code I write continues to be used after I die. Which is why I only ever write legacy code" - this is what Patterson mentioned on his Twitter last September. In this talk, I will define metrics and try to distinguish code from Legac...

Memoize Expensive Code - Andy Croll

Memoize Expensive Code - Andy Croll The ||= operator can provide significant performance improvements.Memoization is a performance optimization where the result of a slow or non-performant piece of code is temporarily stored, and when the expensive code is called again, the stored v...

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