Ruby On Rails

Tutorials

Nano Banana with RubyLLM

Nano Banana with RubyLLM Providers sometimes make curious choices. Take Nano Banana: Google wired it into the chat interface generateContent, not the image API’s predict. This is counterintuitive especially if you’re using RubyLLM which makes you think in terms of action...

The journey to the perfect type signature in Ruby

The journey to the perfect type signature in Ruby I think runtime type checking is the most pragmatic approach to typing Ruby and in many ways it’s superior to static type checking. I’ll write more about that another day. Literal helps you add runtime type checking at object boundaries. Its prop...

How I ran one Ruby app on three SQL databases for six months – mackuba.eu

How I ran one Ruby app on three SQL databases for six months – mackuba.eu Since June 2023, I’ve been running a service written in Ruby (Sinatra) that provides several Bluesky custom feeds (initially built with a feed for the iOS/Mac developers community in mind, later expanded to many other feeds). If you don’t know muc...

Localization in Ruby on Rails: Yes/No, On/Off

Localization in Ruby on Rails: Yes/No, On/Off Ruby on Rails uses `psych` for YAML locale processing that will load Yes/No, On/Off as booleans.

Actually doing things in user's time zone - Julik Tarkhanov

Actually doing things in user's time zone - Julik Tarkhanov My previous article about timezones turned out to be useful for quite a few folks, which makes me happy. One candle lights another. Ben Sheldon asked about then actually doing something with those converted times. How do you actually send a newsl...

Locating Elements in Hash Arrays Using Pattern Matching in Ruby

Locating Elements in Hash Arrays Using Pattern Matching in Ruby Learn how to effectively use Ruby's pattern matching to locate elements within a hash array and handle exceptions.

Create a Kanban board with Rails and Hotwire | Rails Designer

Create a Kanban board with Rails and Hotwire | Rails Designer This one has been in my “articles backlog” for a long time. But for whatever reason it kept getting pushed back. I’ve built drag & drop features multiple times in the past, but recently I helped a new client with some custom UI work and a kanban-l...

Delete your old migrations, today - Julik Tarkhanov

Delete your old migrations, today - Julik Tarkhanov We get attached to code - sometimes to a fault. Old migrations are exactly that. They’re digital hoarding at its finest, cluttering up your codebase with files that serve absolutely no purpose other than to make you feel like you’re preserving som...

Building a Sub-command Ruby CLI with just OptionParser

Building a Sub-command Ruby CLI with just OptionParser I’ve thought deeply about building CLIs and built a lot of them over the years. I’ve used Rake, Thor, my own gem GLI and many others. After all that, the venerable OptionParser—part of Ruby’s standard library—is the best choice for scripting and s...

The little Random that could - Julik Tarkhanov

The little Random that could - Julik Tarkhanov Sometimes, after a few pints in a respectable gathering of Rubyists, someone will ask me “what is the most undervalued module in the Ruby standard library?” There are many possible answers, of course, and some favoritism is to be expected. Piotr ...

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