~rubyweekly | Issue 714 - Rails turns twenty (9)

How It Became Like This? Ruby's Range Class — An exploration of one of Ruby’s core classes — specifically the Range type and its associated syntax, looking at how it works and how its behavior has evolved over time.

Developer’s Guide to Heroku Dynos — Which dynos should you use, and how many? (TLDR: Don’t use Perf-M!)

Heroku Ruby Cloud Native Buildpack (CNB) Tutorial — A 2024 update for Heroku’s tutorial for building a Rails app image with no Dockerfile required. And, no, you don’t need to use Heroku to run or deploy it (indeed it runs locally).

Multiplayer Minesweeper with Rails and Hotwire? — We recently featured a post about implementing Minesweeper in 100 lines of Ruby, but what if we could make it multiplayer? Radan pulls it off, with a live demo now up at MinesVsHumanity. There might be a game in action if you’re lucky..

Implementing Semantic Search in a Rails App — The idea is that you use OpenAI’s API to create embeddings of content, the Neighbor gem to search them, and Anthropic’s Claude API for summarization.

🌳 Need to Upgrade to Ruby 3.3 on a Budget? Try Bonsai by FastRuby.io — Stuck on Ruby 2.7? Stop postponing your upgrade; ship it with our fixed-cost monthly maintenance service. 🚀

IRuby: A Ruby Kernel for Jupyter Notebooks — Notebook interfaces make it easy to do literate programming where you see results immediately like a REPL but with persistence and control over the formatting of the source code. Common in the Python world, IRuby brings Ruby into the picture too.

ERB Lint: A Linter for ERB and HTML Files — Includes a variety of default linting rules for detecting bad syntax, stray newlines, unauthorized script tags, and unsafe interpolation.

ScreenRecorder: Record your Screen from Ruby — It uses FFmpeg behind the scenes but is controllable from Ruby and might be something you’d want to integrate with an automated UI testing run, say.