...Rubygems) it will provide the Jasmine library to your asset pipeline. When you then install rails-assets-jasmine-fixture through Rails Assets you will get another (possibly conflicting) copy of...
...Jasmine installed through Rails Assets. This is because rails-assets-jasmine-fixture depends on rails-assets-jasmine and does not realize that the Jasmine dependency was already satisfied through jasmine...
...row becomes expensive The linked article shows how to create a partial index with Rails...
In Rails 2, you could use link_to_remote...
...:update => 'id' to...
...automatically replace the content of $('#id'). To do the same in Rails 3, include usual rails-ujs JavaScript, and put this into your application.js: $(function() { $('[data-remote][data-replace]')
Watch out when saying something like 1.year in Rails. The result is not a Fixnum and can cause unexpected errors when the receiving end expects a Fixnum. While anything from...
...seconds to months are Fixnums, a year is a Float in Rails -- when called on a Fixnum itself: >> 10.seconds.class => Fixnum >> 2.minutes.class => Fixnum >> 24.hours.class => Fixnum >> 28.days.class => Fixnum >> 9.months.class => Fixnum >> 1.year.class
Root Insurance runs their application as a monolithic Rails application – but they've modularized it inside its repository. Here is their approach in summary: Strategy Keep all code in a...
...merges and deploys across N repos. Other resources https://www.airpair.com/ruby-on-rails/posts/ruby-on-rails-the-modular-way https://engineering.gusto.com/building-toward-a-modular-monolith https://railsconf.com/2020/video/vladimir-dementyev-between-monoliths-and-microservices
Rails understands a :limit options when you create columns in a migration. Its meaning depends on the column type, and sometimes the supplied value. The documentation states that :limit sets...
In Rails 5 you can say: ApplicationController.render( :template => 'users/index', :layout => 'my_layout', :assigns => { users: @users } ) If a Request Environment is needed you can set attributes default attributes or initialize a...
...host: 'example.org', https: false ) renderer.render( :template => 'users/index', :layout => 'my_layout', :assigns => { users: @users } ) In Rails 3 and 4 you can say: ApplicationController.new.render_to_string( :template => 'users/index', :layout => 'my_layout',
Rails 5 (don't know about the others) comes with an initializer wrap_parameters.rb. Here you can tell rails to wrap parameters send to your controllers for specific formats into a...
...used to when you are dealing with form payloads. This is especially handy because Rails puts some stuff in the params which does not really belong there IMHO. For instance...
...you need to, probably your whole application should be split up. Split it anyway Rails::Engine looks at config.paths['config/routes.rb'] and registers its value with app.routes_reloader. This means you...
...then require them. However, I recommend to put any routing files into config/routes/: # config/routes/example.rb Rails.application.routes.draw do resources :example end After creating your routing files, tell Rails how to find them...
Rails 3.0 has been underway for a good two years, so it’s with immense pleasure that we can declare it’s finally here. We’ve brought the work of...
Learn everything you need to know about Scaling your Rails app through 13 informative Screencasts produced by Gregg Pollack with the support of New Relic...
There are a bunch of basic functional elements to building out a popular Rails app that I've never really seen explained in one place, but we had to learn...
A thorough introduction to web development with Ruby on Rails
bower-rails is a great solution for managing vendored assets in your Rails app. It feels especially much more convenient and easier to update assets when going this way.
...rails generates a Bowerfile that works much like the Gemfile you're used to. Just specify your dependencies and run rake bower:install. You can find available packages here.
Using beginning_of_day or end_of_day on Date or DateTime objects in Rails 2.x applications will never respect time zones, which is horrible.\ This is fixed in...
...Rails 3, though. Even when using Date.current or DateTime.current you will get regular Time or DateTime objects: >> Date.current.beginning_of_day.class => Time # not a ActiveSupport::TimeWithZone as expected >> DateTime.current.beginning_of_day.class => DateTime # not a ActiveSupport...
...tidy, we recently started to namespace controllers. With the :controller option you can tell Rails which controller to use for a path or resource. For nested resources, Rails will determine...
...following code in routes.rb … resources :users do resource :profile, controller: 'users/profiles' #[1] end … makes Rails expect the following directory structure: app/ controllers/ users/ profiles_controller.rb users_controller.rb ... views/ users/ profiles/ show.html.haml index.html.haml...
If you need to enable NewRelic monitoring on certain machines within the same Rails environment, a simple solution is to utilize the respective hostnames of you machines. For example, if...
...CustomNewRelicConfiguration.enable_on_current_host? %> FYI: The newrelic.yml config file is ERB parsed when the Rails environment is booted, CustomNewRelicConfiguration.enable_on_current_host? gets evaluated and NewRelic is enabled on the...
When CoffeeScript was added to Rails 3.1 they forgot one very important part, the ability to use it when responding to JavaScript (JS) requests! In Rails 3.1 it’s incredibly...
I have been playing around with RESTful Rails recently. Below is my collection or Rails REST howtos, tutorials and other resources I have found so far...
ObjectiveResource is an Objective-C port of Ruby on Rails' ActiveResource. It provides a way to serialize objects to and from Rails' standard RESTful web-services (via XML or JSON...
There are many wonderful things about Rails and the Rails ecosystem. A clean, well-lighted path for keeping all your extensions up to date is not one of them...
This is a visualization of the files that will be generated by some useful rails generators. Invoke a generator from command line via rails generate GENERATOR [args] [options]. List all...
...generators (including rails generators) with rails g -h. generator model migration controller entry in routes.rb views tests scaffold ✔ ✔ ✔ ✔ ✔ ✔ resource ✔ ✔ ✔ ✔ ✔ model ✔ ✔ ✔ controller ✔ ✔ ✔ migration ✔ Also see this blog post...
...maybe the rubygems-bundler that RVM supplies by default) no longer working on old Rails versions (it seems to work on applications running on Rails 3.2 + Ruby 1.8.7).
...sitemap.xml' => 'feeds#sitemap', :constraints => { :format => 'xml' }, :as => 'sitemap' The mistake is to match sitemap.xml. Rails will by default strip any dot-anything, remember it as desired format and forward the...
...making .xml part of the match, it is not available for format determination and Rails will set the format to html. Unfortunately, the constraint won't complain in this case...