search for: technod

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2007 Apr 06
3
How to find rows where no row in associated table exists?
Basically, how do I do this "The Rails Way(tm)" SELECT * FROM beta_users u LEFT JOIN beta_codes c ON u.id = c.beta_user_id AND c.code IS NULL At the moment I''m using find_by_sql, and that works Ok, but what would be the Rails way? --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on
2007 Feb 26
24
Ruby/rails port of Cocoon/hibernate
Hi, I''m currently running an apache/jboss cocoon/flow/hibernate/ajax paypal (directpayment) project and am looking into the possibility of porting it across to ruby/rails. For that reason I would like to know the following: 1. Can I call my java classes or would I be looking at a complete rewrite in ruby? 2. How effective is ruby in terms of seperation of concerns regarding design from
2007 Mar 13
6
comparing two databases with Active Record.
I have two databases in SQLite with the same schema. The other database was populated by an external customer and then returned. I want to use ActiveRecord to do the comparison. I am not sure of the best way to access the tables in each database with ActiveRecord models. I could change the connection dynamically whenever I want to switch between the databases, but this would seem to be clumsy