Previously in Ruby Magic

1. #42 Scaling Queue Workers Efficiently with AppSignal Metrics
2. #41 Using Service Objects in Ruby on Rails
3. #40 Dissecting Rails Migrations
4. #39 The Citadel Architecture at AppSignal
5. #38 Changing the Approach to Debugging in Ruby with TracePoint
6. #37 Facade Pattern in Rails for Performance and Maintainability
7. #36 Building a Rails App With Multiple Subdomains
8. #35 Getting Started With System Tests in Rails With Minitest
9. #34 Pros and Cons of Using structure.sql in Your Ruby on Rails Application
10. #33 Top 10 AppSignal Blog Posts in 2019
11. #32 Configurable Ruby Modules: The Module Builder Pattern
12. #31 Ruby Templating: Baking an Interpreter
13. #30 Type Checking in Ruby — Check Yo Self Before You Wreck Yo Self
14. #29 Digging Deeper into Ruby Templating: The Parser
15. #28 Brewing our own Template Lexer in Ruby
16. #27 Inside Enumeration in Ruby
17. #26 Ruby's Hidden Gems: Delegator and Forwardable
18. #25 Learning by building, a Background Processing System in Ruby
19. #24 Ruby's Hidden Gems, StringScanner
20. #23 Unraveling Classes, Instances and Metaclasses in Ruby
21. #22 Bindings and Lexical Scope in Ruby
22. #21 Fibers and Enumerators in Ruby: Turning Blocks Inside Out
23. #20 Building a Ruby C Extension From Scratch
24. #19 The Magic of Class-level Instance Variables
25. #18 Closures in Ruby: Blocks, Procs and Lambdas
26. #17 Changing the Way Ruby Creates Objects
27. #16 Ruby Magic Summer Special: The Best of AppSignal Academy
28. #15 Under the Hood: “Slurping” and Streaming Files in Ruby
29. #14 Ruby's magical Enumerable module
30. #13 Benchmarking Ruby Code
31. #12 Syntactic sugar methods in Ruby
32. #11 A look at how Ruby interprets your code
33. #10 Concurrency Deep Dive: Event loops
34. #09 Concurrency Deep Dive: Multi-threading
35. #08 Concurrency Deep Dive: Multi-process
36. #07 Running Rack: How Ruby HTTP servers run Rails apps
37. #06 Escaping characters in Ruby
38. #05 Building a 30 line HTTP server in Ruby
39. #04 Rescuing Exceptions in Ruby: A Primer
40. #03 Introduction to Garbage Collection (Part II)
41. #02 Introduction to Garbage Collection (Part I)
42. #01 Mastering Concurrency