...allows you to log to multiple sinks. You know this behavior from from the rails server command, that both logs to standard out and the log/development.log file.
...development.log file. Here is an example for Sidekiq: Sidekiq.configure_client do |config| if ENV['RAILS_ENV'] == 'development' || ENV['RAILS_ENV'] == 'test' stdout_logger = ActiveSupport::Logger.new(STDOUT) file_logger = ActiveSupport::Logger.new...
...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...
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(...)
...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...
...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...
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...
When using Rails to truncate strings, you may end up with strings that are still too long for their container or are not as long as they could be. You...
...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...
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...
...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...
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.
...et dolore magna aliqua. Mi eget mauris pharetra et ultrices neque." output_mp3_path = Rails.root.join("tts/ipsum.mp3") new Synthesizer(input_text, output_mp3_path).to_mp3 Code require "ruby-openai"
...an instance of its subclasses or superclass. This is useful because some parts of Rails reflect on the class of an instance, e.g. to decide which partial to render:
...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...
...saved to database directly as the the dumped object was not marked dirty, thus rails does not see the need to save it, even if the object is not present...
} 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...
Webpack is the future. We're using it in our latest Rails applications. For tests, we want to compile assets like for production. For parallel tests, we want to avoid...
...Dir.empty?(public_output_path) end delegate :public_output_path, to: :config private def test? Rails.env.test? end def parallel_tests? test? && !!parallel_tests_number end def parallel_tests_number
...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:
...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...
...use SimpleForm in your project, I would suggest to regenerate the configuration file with rails generate simple_form:install --bootstrap and merge it with your own customizations instead of only...
...partial_double_verification. This might be handy in case you are testing helpers in Rails, where you sometimes rely on methods defined in the application controller (e.g. current_user and...
%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