Yes, SSO using OAuth is a viable solution, but it’s not the simplest one. When building anything new, OAuth 2.0 is the way to go. The OAuth standards cover a lot of ground. The primary advantage of OAuth is that it allows users to give 3rd party apps access to their account without disclosing their … Read more
I switched from Mongrel Cluster to Passenger two weeks ago (Debian Linux Server). I didn’t look back for a second. Passenger is probably the easiest way to get your new server up and running. Performance and reliability are reasonable too. Personally, I like to spend my time working on exciting new Rails projects rather than … Read more
The simplest solution would be to create a module under lib and mix this into the models that need it, for instance, in lib/fooable.rb: module Fooable def do_foo end end And then in your various models: class MyModel < ActiveRecord::Base include Fooable end No need to require fooable.rb, the Rails autoloading mechanism will find it … Read more
I had a similar problem, which I solved with a slight twist My modal div is rendered on the calling page (from a partial) and not by the response of the JS request: <div class=”modal hide fade” id=”modal-window”> <div class=”modal-header”> <a href=”#” class=”close”>×</a> <h3>Loading…</h3> </div> <div class=”modal-body center”> <%= image_tag “loading.gif” %> </div> <div class=”modal-footer”> </div> … Read more
According to this article you should add it. This will generate a bin directory in the root of your application. Make sure that it is not in your .gitignore file, and check this directory and its contents into git.
Use reject as in Model.find_all_by_xxx().reject { |r| r.something? }
All migrations are wrapped in transaction by default so that they can be rolled back when they are failed. You need to use disable_ddl_transaction when you want to do something that can not excute inside a transaction. You can check Transactional Migrations section of Migration document for example.
This is a fairly recent addition to Rails, so it may not be covered in the book you mention. You can read about it in the migration section of Rails Guides. When you generate using, say, rails generate model Thing name post:references … the migration will create the foreign key field for you, as well … Read more
As of Rails 5.0 you can use the _prefix or _suffix options when you need to define multiple enums with same values. If the passed value is true, the methods are prefixed/suffixed with the name of the enum. class Invoice < ActiveRecord::Base enum verification: [:done, :fail], _prefix: true end It is also possible to supply … Read more
Well, another problem with your random filename generator is that it’s possible to have collisions isn’t it? You could possibly generate a filename that was already generated. One way to go about it would be to somehow generate a hash based on unique properties of the image, like file path. An example, from the carrierwave … Read more