Railtie can probably do what you describe, but it may be more desirable to use an engine. The engine can have its own configuration and also acts like a Rails application, since it allows you to include the /app directory with controllers, views and models in the same manner as a regular Rails app. Read … Read more
ActiveResource was an API added in Rails 2.x to support an XML (and later JSON) API so that Rails sites could “talk” to one another. It was a very hot topic when the idea of RESTful APIs made its way into the framework. Over time it became more of a novelty and infrequently maintained so … Read more
Also bundle update only allows you to update one gem at a time, which is hard if you are updating to Rails 4 and a whole lot of gems have to be updated at the same time. I solved this by deleting the Gemfile.lock and doing bundle install. This is of course assuming you have … Read more
In Rails 3, Application specific custom configuration data can be placed in the application configuration object. The configuration can be assigned in the initialization files or the environment files — say for a given application MyApp: MyApp::Application.config.custom_config_variable = :my_config_setting or Rails.configuration.custom_config_variable = :my_config_setting To read the setting, simply call the configuration variable without setting it: … Read more