Codetown ::: a software developer's community
Just started with Ruby on Rails ( Rails 3) and I'm trying to figure out the best I.D.E. Here's what I've found so far:
Eclipse / DLTK - while researching this on the web I came across a number of broken links which was a bad sign and when I did get it installed I wasn't able to debug using it. Ater some more web searches I came across a few posts that said basically the Ruby plug-in had run out of steam and was not being pursued.
JetBrains/RubyMine - this installed and works, so far the *looks* like the best bet. The instant database diagramming looks really cool, do other I.D.E.s support this?
Ecliplse/Aptana - just got this installed, Will try debugging with it soon.
Does anyone have recommendations for their favorite I.D.E.? I don't need anythgin too fancy, as long as I can set a breakpoint and view variables and the call stack I'm happy. And it helps if its a free product.'
Tags:
Kevin, What have you found out so far with Eclipse/Aptana and JetBrains/RubyMine? Have you experimented with any other IDE's?
With Eclipse/Aptana I *think* I got installed, but the online references that showed how to start a debugging session accessed menu options that were not present so I was unable to use it. So far RubyMine looks the best, it also checks the syntax of of .html.erb ( Embedded RuBy ) files and generates a diagram of your DB tables, highlighting any relationships that look hinky. Worth noting RubyMine costs money, while the others I've looked at are open source and frankly I think the developers for the free plugins ran out of steam. The profit motive at work.
Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.
Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.
Check out the Codetown Jobs group.

Uber has decentralized its Hive data warehouse, migrating 16,000 datasets totaling over 10 petabytes using pointer-based federation. The migration ensures zero downtime, strict ACL enforcement, improved governance, and scalable, domain-specific datasets for analytics and machine learning workloads.
By Leela Kumili
The MCP Dev Summit North America 2026, held on April 2-3 at the New York Marriott Marquis, gathered about 1,200 attendees. Hosted by the Linux Foundation's Agentic AI Foundation, discussions focused on the Model Context Protocol's evolution and enterprise adoption, particularly by Amazon and Uber, emphasizing security, interoperability, and scaling for production.
By Andrew Hoblitzell
Sepehr Khosravi discusses the current state of AI-assisted coding, moving beyond basic autocompletion to sophisticated agentic workflows. He explains the technical nuances of Cursor’s "Composer" and Claude Code’s research capabilities, providing tips for managing context windows and MCP integrations. He shares lessons from industry leaders on shrinking process time beyond just writing code.
By Sepehr Khosravi
Work isn’t the only place where you can develop valuable leadership skills, Sophie Weston mentioned in the video The Principal Engineer’s Path from her QCon London talk. She suggested thinking about the things you do outside of your job where you can learn and practice useful leadership skills, and bringing your full skill set - your whole self - to work.
By Ben Linders
In this article, the author explores how hierarchical agentic RAG systems coordinate specialized workers through structured orchestration to improve accuracy, reliability, and explainability in complex enterprise analytics workflows. The article uses Protocol-H as a to show how deterministic routing, reflective retry, and modality-aware reasoning support safer multi-source query execution.
By Abhijit Ubale
© 2026 Created by Michael Levin.
Powered by