This is a short post to show the compatibility between Ruby on Rails and Ruby across different versions. In the process of upgrading really old applications to more modern versions of Ruby and Rails we have ran into a lot of these combinations.Read more »
Articles by Ernesto Tagwerker
In this article I will explain how you can dual boot your application in your local environment and your CI server. I hope that this will help you get ready for the next stable release of Rails.Read more »
If you have been working with Rails for a few years, you have seen your fair share of shiny new applications, well-maintained and poorly-maintained legacy applications. This post is about Legacy Rails applicationsRead more »
Rails is a powerful framework. You can write a lot of features in a short period of time. In the process you can easily write code that performs poorly.
At Ombu Labs we like to maintain Ruby on Rails applications. In the process of maintaining them, adding features and fixing bugs, we like to improve the code and its performance (because we are good boy scouts!)
Here are some tips based on our experience.
where instead of
When you are performing a lot of calculations, you should load as little as possible into memory. Always prefer a SQL query vs. an object's method call.Read more »