In medium-sized to large Rails applications, asset compilation can take several minutes. In order to speed up deployment, asset precompilation can be skipped. This card automates the process.
...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...
...and decide if any of it needs an update. Your main components (e.g. Ruby, Rails, Unpoly) should always be reasonably up to date. Keeping your dependencies up-to-date is...
job_id: job.job_id, executions: job.executions, queue_name: job.queue_name, url: url, }, ) end Rails.application.configure do # Also capture errors not handled by Active Job config.good_job.on_thread_error = ExceptionNotifier.method(:notify_exception...
While most Rails Apps are tied to at least one external REST API, machine-to-machine communication via GraphQL is less commonly seen. In this card, I'd like to...
...w[errors]) unless response.status.ok? parsed_response end def client headers = { 'Content-Type' => 'application/json', 'Authorization' => Rails.application.secrets.fetch(:linear_api_key), } HTTP.headers(headers) end end Writing data (Mutation) Performing GraphQL mutations is equally...
...in webpack.config.js: { ... optimization: { minimize: true, minimizer: [ new TerserPlugin({ terserOptions: { ..., mangle: { properties: { regex: /^[_#]/ } } } }) ] } } Configuring Webpacker (Rails) To configure Webpack to mangle private properties, make a change to your Terser configuration in...
With this command you can initiate an application restart without touching restart.txt. Unlike touching restart.txt, this tool initiates the restart...
...like above: new(str, safe_level=nil, trim_mode=nil, eoutvar='_erbout') Difference between Rails mailer and ERB Rails mailer <% if true %> <%= 'bar' %> <% end %> <%= 'foo' %> <%= 'bar' %> bar foo bar
...are libraries like morphdom (as used by Phoenix Liveviews) or idiomorph (as used by Rails' Turbo). It lets you write morphdom(node, newHtml) or Idiomorph.morph(node, newHtml) which will try...
...users.map { |user| [user.id, user.name] }.to_h { 1 => "Alice", 2 => "Bob" } Enumerable#index_by (any Rails version) users = User.all users_by_id = users.index_by(&:id) { 1 => #<User id: 1, name: "Alice...
...User id: 1, name: "Alice">], "Bob" => [#<User id: 2, name: "Bob">] } Enumerable#index_with (Rails 6+) To generate a hash where array elements become hash keys, and values are calculated...
...the sudo password with johndoe ALL=(ALL) NOPASSWD: ALL. # Run this script with e.g. `rails runner lib/scripts/benchmark.rb` require 'open3' # For debugging # Rails.logger = Logger.new(STDOUT) # ActiveRecord::Base.logger = Logger.new(STDOUT)
...an existing project Add: gem "reek", group: [:test, :development] To run Reek on your Rails project: $ bundle exec reek app lib config test This will check the existing code for...
...they won't change their mind. [1] We are not talking about the the Rails session hash here, although it is by default backed by a cookie without expiration...
...this requires the PP class from the pp gem. It is loaded in any Rails app already, but for plain Ruby you may need to require it.
Put the line below in the respective env.rb file to make your action controllers raise an ActionController::UnpermittedParameters error when...
...issues in specific scenarios. Why does this matter? Mocked time in tests Consider a Rails application where you use the remember_me feature of Clearance for authentication. The cookie for...
...you're done, check your changes by running rake routes. handle_unverified_request When Rails gets a request with wrong/missing CSRF-Token, it calls ApplicationController#handle_unverified_request and continues...
...processing the request!. Per default, the method only resets the Rails session, but since Clearance doesn't store its session there, you should delete the remember_token cookie. With Clearance...
...Probably the best approach is to just convert emails (and usernames) to lowercase within Rails. Popular authentication libraries (like Clearance and Devise) already do this for you...
This is quite an edge case, and appears like a bug in Rails (4.2.6) to me. Update: This is now documented on Edgeguides Ruby on Rails: If you set the...
...resources. The spec looks very similar to how one would build an API with Rails and uses similar patterns. Even if you don't plan on supporting the whole spec...
...not rendered in controller specs. If you need it to happen, use: RSpec 1 (Rails 2): integrate_views RSpec 2 (Rails 3): render_views Note that you can't use...
...building it yourself Also see the chapter "Owning your Stack" in the book Growing Rails Applications in Practice. Services Open-Source Maturity & Maintenance Certification Rubygems
...an alternative to PostgreSQL fulltext search A simple example with a GIN index in Rails for optimizing a ILIKE query
...a command on all servers. bundle exec cap production app:run cmd='zgrep -P "..." RAILS_ROOT/log/production.log' Code # lib/capistrano/tasks/app.rake namespace :app do # Use e.g. to grep logs on all servers:
...cap production app:run_cmd cmd='zgrep -P "..." RAILS_ROOT/log/production.log' # # * Use RAILS_ROOT as a placeholder for the remote Rails root directory. # * Append ` || test $? =1;` to grep calls in order...