...mind that you may need to migrate your database as Git is unaware of Rails and will not cast any magic. If Git checked out a commit that is working...
Adopting legacy Rails apps Talk to your mentor about how we're approaching applications that are either old or abandoned by a different team earlier: Add E2E tests for the...
Rails' ActiveSupport::TimeWithZone objects have both a timezone code and offset, e.g. Thu, 28 Mar 2019 16:00:00 CET +01:00. Ruby's stdlib TZInfo also has time zones...
...chances are you'll end up in the wrong time zone. This is why Rails actually uses a long list of time zone names with have names like "London" or...
...The following setup allows you to start Terminator in a split view with the Rails server running in the left pane and all remaining processes running via foreman in the...
type = Terminal parent = child1 profile = default command = env startup_cmd="bundle exec rails server" startup_attrs="-p 3000" bash [[[terminal3]]] type = Terminal parent = child1 profile = default command = 'env startup...
...create only the records needed for the test. Learn Factories, not fixtures By default Rails uses global fixtures for its tests. This is a giant world of example data that...
...other gems in the past, but they all work in the same way. Watch Railscasts PRO #158 Factories not Fixtures (revised) for an introduction to factories in general and FactoryBot...
ORDER BY category DESC, created_at; The easiest options to achieve this in Rails ActiveRecord is to use "WHERE ID IN" with User.where(id: Post.distinct_on_user.pluck(:user_id)).order(...)
...README for the carrierwave gem Read about Common mistakes when storing file uploads with Rails Carrierwave: How to attach files in tests Carrierwave: Built-in RSpec matchers CarrierWave: Processing images...
Understand that each call of a cron job will boot up your Rails application and produce 100% load on a CPU during booting. Talk to your mentor what...
...we still recommend the solution in this card. If you need to synchronize multiple rails processes, you need some shared resource that can be used as a mutex. One option...
...our older projects, we use the mysql2 gem. Unfortunately, versions 0.2.x (required for Rails 2.3) and versions 0.3.x (required for Rails 3.2) can no longer be installed on...
...to errors when compiling the native extension, or a segfaults when using it. For Rails 4.2, mysql2 version 0.4.10 seems to work okay. If you still have issues, upgrade to...
...application server without configuration Usage Install Passenger Standalone with gem install passenger Inside any Rails project, start Passenger Standalone with passenger start Alternatives You can use Puma. It also supports...
...generated for associations. Warning Don't use query_attribute on associations. In case of Rails 7 you are getting an error. In Rails 6 this method is always responding with...
...notably, it allows you to represent data in a very readable manner. For example, Rails offers a compact DSL to define new routes. A big drawback however is that your...
Use gem 'mysql2', git: 'https://github.com/makandra/mysql2', branch: '0.2.x-lts' # for Rails 2.x gem 'mysql2', git: 'https://github.com/makandra/mysql2', branch: '0.3.x-lts' # for Rails...
} start your server as usual, but go to https://localhost:3000 bundle exec rails s Accept the certificate in your browser See also Creating a self-signed certificate for...
...deployed to the servers. The gems of these groups might not be loaded by rails, however, the deployment process will take longer as the gems will be downloaded and installed...
...also use Cookies with cURL. For easily making HTTP requests in an IRB or Rails console, take a look at the HTTP gem. If you prefer a GUI, take a...
Watch Solving bizarre authorization requirements with Rails Read the Consul README Read the assignable_values README Understand how Consul and assignable_values can be used to implement arbitrary authorization...
...pass your string or stream directly. >> Attachment.create!(file: FileIO.new(contents, 'document.pdf')) => # When using zeitwerk (Rails 6) you might also need to add an inflection in order to make autoloading work...
...INFO -- : [53a240c1-489e-4936-bbeb-d6f77284cf38] more Goal When searching through Rails logs on production, it's often hard to see all lines that belong to the same requests, since...
Here is how to start your Rails application to accept both HTTP and HTTPS in development. gem install passenger Create a self-signed SSL certificate. Store the generated files in...
...method's source code If your Gemfile comes with method_source (a dependency of Rails 7+), you can can inspect the source code directly using the Method#source method:
Large Rails projects tend to define multiple custom ways to format Dates or DateTimes. This often leads to duplicated format strings, wrong formats and unnecessary introduction of new formats.
%span Reference %pre ~ content Reference Hello World Textareas In some versions of Haml + Rails, this may also be an issue for textarea elements. Fix it similarly: # Indented description