~rubyweekly | Issue 743 - Ruby debugging tips for 2025 (14)

iri: Simple Immutable Ruby URI Builder — Offers an interesting chain-able fluent API for adding various elements to URLs.

Ruby Debugging Tips and Recommendations in 2025 — A brief piece but packed with advice from Stan (who knows a thing or two from all his work on debug.rb and modernizing IRB). Did you know you can use the Ruby LSP extension with debug.rb?

Ruby, Ractors, and Lock-Free Data Structures — An extensive, multi-chapter article that goes into serious depth about Ractors, lock-free data structures and shared mutable global state in multi-threaded Ruby apps. There’s also code if you want to play along or experiment.

▶  Building an 'Always-On' Production Profiler — A talk from Ruby Kaigi 2024 on Datadog’s production profiler. There’s a lot of detail here on how and what (CPU profiles, GC, allocations, heap live objects) to profile, various challenges of profiling in production, and using Rust in a gem.

Installing the sassc Gem on a Mac: A Debugging Story — Native extensions are often the source of a failed bundle install and never particularly fun to figure out (at least for me). Luckily, Richard takes us on a tour of the issues here, advice that could be useful beyond just sassc.

Creating Value Objects the Idiomatic Way — If you’ve got a value more elaborate than a number, string or simple list or hash, you might choose to use a class to create objects that represent those values: value objects. The modern way to do this in Ruby is with the Data class and Lucian shows it off here.

Simple Declarative Presence for Hotwire Apps with AnyCable — How to implement user presence tracking in a Hotwire application with minimal effort by using AnyCable and its new primitives.

Finding the Opposite of What You Have with Rails invert_where — Rails has so many helpful methods that many simply skip my radar as someone who’s been using Rails for so long. invert_where is certainly new to me and does something quite interesting..

🚀 Need to Upgrade Ruby? Here is a Free Step by Step Guide by FastRuby — The team behind Bonsai and the next_rails gem shares their best practices for upgrading to any Ruby version.

Just the Docs: A Jekyll Theme for Documentation Sites — Only tangentially Ruby related (but it is for Jekyll) but I love the look of docs/project sites using this. It’s clean, simple, and makes a lot of right design decisions for you out of the box.

TruffleRuby 24.2: The High Performance Ruby Implementation — Now supporting Ruby 3.3.5 features, TruffleRuby is an interesting Ruby implementation based upon GraalVM (a variant of the JDK with ahead-of-time native compilation well suited for dynamic languages).

Confused About Request Queue Time? — Check out our illustrated guide, with diagrams galore and just a tiny bit of math.

Psyllium: A Gem Making It Easier to Use Fibers — Adds convenience methods to the Fiber class to make it easier to use in the same way that threads might be used.

Seamless Rails Upgrades: Expert Maintenance. Fixed Price — Upgrade RoR smoothly. We offer expert Rails maintenance at a fixed price. Secure, performant, minimal disruptions. Outdated gems? Breaking changes? We handle it.