Ruby Magic

Ruby Magic is our special email series where we dive deep into all things Ruby. If you are interested in learning more about concurrency, webservers, memory allocations and garbage collection, you'll love this.

Introduction to Ruby on Rails Patterns and Anti-patterns

By Nikola Đuza on Aug 5

Dig into the basics of design patterns and anti-patterns.

Scaling Queue Workers Efficiently with AppSignal Metrics

By Josh Beckman on Jul 8

Let's use some simple math and performance data to find our optimal worker count, based on the work waiting in the queue.

Using Service Objects in Ruby on Rails

By Nicholaus Haskins on Jun 17

Find out what service objects are and why you should use them.

Dissecting Rails Migrations

By Prathamesh Sonpatki on Apr 14

Let's break down a migration process and find out how to write an effective migration.

The Citadel Architecture at AppSignal

By Thijs Cadier on Apr 8

Check out how AppSignal uses the Citadel pattern and how our system works.

Changing the Approach to Debugging in Ruby with TracePoint

By Stan Lo on Apr 1

Learn more about TracePoint and how it makes code "tell us" what it's doing.

Facade Pattern in Rails for Performance and Maintainability

By Daniele Pestilli on Mar 18

Find out how and why you should use a software design pattern named Facade.

Building a Rails App With Multiple Subdomains

By Prathamesh Sonpatki on Mar 4

Learn how to build a Rails app that can support multiple subdomains.

Getting Started With System Tests in Rails With Minitest

By Maud de Vries on Feb 12

Dive into instances when generic methods are worth replacing with specific alternatives, illustrated by cleaning up strings.

Pros and Cons of Using structure.sql in Your Ruby on Rails Application

By Daniele Pestilli on Jan 15

Discover the major differences and benefits of using structure.sql vs schema.rb in your Ruby on Rails application.

Configurable Ruby Modules: The Module Builder Pattern

By Michael Kohl on Nov 29

Explore how to implement configurable modules in Ruby — a technique sometimes referred to as the Module Builder Pattern.

Sep 24 2019 Ruby Templating: Baking an Interpreter
Aug 27 2019 Type Checking in Ruby — Check Yo Self Before You Wreck Yo Self
Jul 30 2019 Digging Deeper into Ruby Templating: The Parser
Jul 2 2019 Brewing our own Template Lexer in Ruby
May 28 2019 Inside Enumeration in Ruby
Apr 30 2019 Ruby's Hidden Gems: Delegator and Forwardable
Apr 2 2019 Learning by building, a Background Processing System in Ruby
Mar 5 2019 Ruby's Hidden Gems, StringScanner
Feb 5 2019 Unraveling Classes, Instances and Metaclasses in Ruby
Jan 8 2019 Bindings and Lexical Scope in Ruby
Nov 27 2018 Fibers and Enumerators in Ruby: Turning Blocks Inside Out
Oct 30 2018 Building a Ruby C Extension From Scratch
Oct 2 2018 The Magic of Class-level Instance Variables
Sep 4 2018 Closures in Ruby: Blocks, Procs and Lambdas
Aug 7 2018 Changing the Way Ruby Creates Objects
Jul 26 2018 Ruby Magic Summer Special: The Best of AppSignal Academy
Jul 10 2018 Under the Hood: “Slurping” and Streaming Files in Ruby
May 29 2018 Ruby's magical Enumerable module
Feb 27 2018 Benchmarking Ruby Code
Feb 20 2018 Syntactic sugar methods in Ruby
Aug 1 2017 A look at how Ruby interprets your code
Jun 6 2017 Concurrency Deep Dive: Event loops
Apr 18 2017 Concurrency Deep Dive: Multi-threading
Mar 7 2017 Concurrency Deep Dive: Multi-process
Jan 24 2017 Running Rack: How Ruby HTTP servers run Rails apps
Dec 21 2016 Escaping characters in Ruby
Nov 23 2016 Building a 30 line HTTP server in Ruby
Oct 18 2016 Rescuing Exceptions in Ruby: A Primer
Jul 28 2016 Introduction to Garbage Collection (Part II)
Jul 12 2016 Introduction to Garbage Collection (Part I)
Mar 17 2016 Mastering Concurrency

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Ruby Magic

Introduction to Ruby on Rails Patterns and Anti-patterns

Scaling Queue Workers Efficiently with AppSignal Metrics

Using Service Objects in Ruby on Rails

Dissecting Rails Migrations

The Citadel Architecture at AppSignal

Changing the Approach to Debugging in Ruby with TracePoint

Facade Pattern in Rails for Performance and Maintainability

Building a Rails App With Multiple Subdomains

Getting Started With System Tests in Rails With Minitest

Pros and Cons of Using structure.sql in Your Ruby on Rails Application

Top 10 AppSignal Blog Posts in 2019

Configurable Ruby Modules: The Module Builder Pattern

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