Exploring Common AI Patterns with Ruby
Three examples of integrating LLMs in Ruby using OmniAI.
Kevin Sylvestre
June 2025
March 2025
OmniAI 2.0
Announcing OmniAI 2.0 - An LLM-Agnostic Ruby Library for Seamless AI Integration
November 2024
Using GraphQL with LLMs in Ruby
Open up your app to LLMs with GraphQL.
September 2024
Using OmniAI to Convert PDFs to Markdown with LLMs
A guide to converting a PDF into Markdown using OmniAI with OpenAI and MuPDF.
August 2024
Using OmniAI to Leverage Tools with LLMs
OmniAI now supports tools in LLM integrations using Anthropic, Google, Mistral, and OpenAI.
Using OmniAI to Search LLM Embeddings with Ruby on Rails and Postgres
OmniAI now supports the generation of embeddings for both Mistral and OpenAI. In conjunction with pgvector, this is an excellent option for indexing and searching data to pass through an LLM prompt within a Ruby on Rails application.
July 2024
Building Prompts with OmniAI
OmniAI introduces the ability to generate complex prompts in Ruby with a prompt builder.
OmniAI CLI
OmniAI now ships with a built-in CLI, making it easier than ever to use OpenAI’s ChatGPT, Google’s Gemini, Anthropic’s Claude, or Mistral’s LeChat.
June 2024
Introducing OmniAI
An LLM Agnostic Ruby Library for OpenAI’s ChatGPT, Google’s Gemini, Anthropic’s Claude Mistral’s LeChat, and More!
Searching Files with ChatGPT Assistants
Using a ChatGPT Assistant to Search Files (PDFs, DOCX, HTML and more) with Python
Using ChatGPT with Ruby
A guide to using OpenAI’s ChatGPT with Ruby
Prompting ChatGPT to Generate JSON from HTML
Using ChatGPT to Convert HTML to JSON
August 2018
Building a Testing Framework Similar to RSpec in Ruby
A guide to building and understanding a testing frameworks like RSpec
October 2017
Transactions in Ruby on Rails and Atomic Bugs
A few examples of when using a transaction in Ruby on Rails doesn't work as expected.
August 2017
Eager Loading Polymorphic Associations with Ruby on Rails
A tutorial on eager loading polymorphic associations with Ruby on Rails avoiding "n-plus-one" queries.
Fabrication vs FactoryGirl
A deep dive into the performance of Fabrication and FactoryGirl.
April 2017
Automating Favicon Generation in Rails using Sketch
How to use rake, rails, convert and sketch to generate a favicon.
October 2016
Building a Rack Web Server in Ruby
Managing sockets, handling HTTP parsing and generation, and integrating with Rack to build a simple web server from scratch.
September 2016
Augmenting a Ruby on Rails App with Vue.js
A lightweight approach to integrating Vue.js into a Ruby on Rails application.
January 2015
The Enigma Machine using Ruby
The Enigma machine explained in Ruby
December 2014
Advanced Eager Loading in Rails
How to load 'N' records per parent record efficiently in Ruby on Rails
Mixins With Backbone Using CoffeeScript and JavaScript When Integrating With Rails
A quick introduction to using mixins with Backbone to extract out common code
November 2014
Setup a Clean Backbone JS App With Rails
A basic introduction on how to setup a new Rails project with Backbone JS
May 2014
Rails Concerns for URL and Path Helpers
Concerns offer a reusable way of sharing common code. This can be used to extract URL helpers.
Using Timestamps for Caching on iOS or Mac
A simple example of using timestamps to ensure users always see the latest data in an iOS or Mac app.
Setup Free(ish) SSL/TLS on Heroku for Ruby on Rails (or Any Other Framework)
Configure SSL/TLS On Heroku Using a CDN
Deploying Wordpress to Heroku
A guide on how to use Heroku to host Wordpress
October 2013
Setting Up Mac OS X Mavericks for Development
A short guide on how to configure Mac OS X Mavericks with Rails, Node and More.
July 2013
Packaging a jQuery Plugin with Bower
Bower is a great package manager for JavaScript or CSS Files. It can be easily used to package a jQuery plugin.
A Rubyist Guide to Creating jQuery Plugins
Learn how to create a jQuery plugin using Haml, Sass, and CoffeeScript. Then deploy the plugin to the jQuery plugin repository.
Progress in Developing iOS and Cocoa
Blocks, Literals, ARC and more have been added to Cocoa helping to ease many of the pains developers experienced in the past. It is an awesome time to be an iOS or Mac developer.
March 2012
Faster Testing in Rails with Guard for Zeus, RSpec, and Cucumber
Two awesome tools for speeding up testing are Zeus and Guard. Setting them up allows for automatic execution of tests while coding.
November 2012
Deploying Rails with JRuby to Heroku
Deploying JRuby on Heroku used to require custom build packs. Not any more. This guide will get any JRuby app up and running in no time.
July 2012
Setting Up Mac OS X For Development
Configuring a new Mac for development can be tricky. These steps will get any machine setup with Ruby, Node, Postgres and lots more.
October 2010
NSError is NSAwful
Cocoa appears to be missing a key component to programming: exceptions. In place of the standard try / catch / raise style of programming error objects are used.
May 2010
Must Have Services for Rails
Rails is amazing and can be even better when paired with great web services. Heroku, Amazon, Zencoder, Twilio, Tropo and New Relic all fit the bill.
April 2010
Non-Blocking Long Running Tasks on iOS
Avoiding delays on the UI thread in iOS is key to ensure a snappy interface. Long running should be queued in operation queues to make sure they don't impact perceived performance.
March 2010
Copy Paste Menus in iOS
Copy and Paste Menus in iOS can be tricky to setup. This code example should help with the basic syntax for getting one up.
Extending Objects in Cocoa with Categories
Adding in functionality to an existing class in Cocoa is easy using categories. This can be useful for methods that should be transient or when access to the original code is restricted.
A Few Reasons Cocoa Is Not That Hot
Over the past year Apple has released an amazing set of phones and tablets. While the devices are incredible the framework and language have a few shortcomings that Apple will have to address.