...at self.class.ancestors. For example: config.before do # stuff that_fancy_method if is_a? Spec::Rails::Example::ControllerExampleGroup # more stuff end Find out if you are in a spec that knows...
...s request and response, like helper specs or controller specs: if is_a? Spec::Rails::Example::FunctionalExampleGroup that_fancy_request_thing end Note that you should not check via something...
Adding the asset cache directory to symlinked directories Popular asset managers for Rails are Sprockets and Webpacker. Both keep a cache of already compiled files that we're...
...is to to require all files in a specific diretory, using something like Dir.glob(Rails.root.join('lib/ext/**/*.rb')).each do |filename| require filename end However, this causes files to be required...
...behavior on different machines which are hard to debug. Simply add a .sort: Dir.glob(Rails.root.join('lib/ext/**/*.rb')).sort.each do |filename| require filename end Ruby 3 Ruby 3 Dir class sorts...
...does not apply to your "Background" steps How to set up database_cleaner for Rails with Cucumber and RSpec Before all in database transactions will fail
...for example could be sped up more than 4 times by reusing a cached Rails application, and the tests for a video player we built could also be sped up...
When your Rails application offers downloading a bunch of files as ZIP archive, you basically have two options: Write a ZIP file to disk and send it as a download...
...Add zip_tricks to your Gemfile and bundle install. In your controller, include ZipTricks::RailsStreaming. You can then use the zip_tricks_stream method in controller actions to generated your...
...excludes quote characters so you can easily paste the secret into a Ruby string Rails can also generate secrets that can be used for secret_key_base: $ bin/rails secret 5693040b90b1b09d0a73364d950f15e3a9604403c8e81c6e5bb8b51d0981ef3bbde15a52bf5df41ac4974675bb8e31d69d03490dc11abd1086c873783d1be607
...prevent this, you need to add ->{ uniq } as second argument to has_many (below Rails 4 it is a simple option: has_many :xyz, :uniq => true). Example
...model. Prefer to use a form model like User::RegistrationForm. Read our book Growing Rails Applications in Practice for details. Here is a test for the User model that automatically...
Webpacker can automatically create an icon font from SVG files, which is really handy. When you're using the asset...
...command line flag when opening an IRB: irb --nomultiline This also works on modern Rails when using rails console like so: rails console -- --nomultiline Option 2: Disable by default
...ids on an ActiveRecord scope to pluck all the ids of the relation: # Modern Rails User.where("users.name LIKE 'Foo Bar'").ids # Rails 3.2+ equivalent User.where("users.name LIKE 'Foo Bar'").pluck...
# Edge rider equivalent for Rails 2+ User.where("users.name LIKE 'Foo Bar'").collect_ids
...need to configure this if you're using system tests with modern versions of Rails. They do exactly the same
...use a light terminal theme Improving Diffs for Ruby, RSpec and Cucumber files See Rails developers: Have better context in Git diffs. This will correctly identify the beginning of a...
Don't insert table rows in a Rails database migration. This will break tests that expect that database to be empty and cause you all sorts of pain.
...cloned project. The reason is your environment.rb which is loaded for Raketasks and calls Rails.application.initialize! which in turn may/will evaluate classes. If one of those classes is tries to access...
...if you don't know which one handled the request you are looking for. Rails application logs usually live in /var/www/ /shared/log. Web server logs usually live in /var/www/ /log...
...multiple servers at the same time With a custom Capistrano task: CMD='zgrep -P "..." RAILS_ROOT/log/production.log' bundle exec cap production app:run_cmd See Capistrano 3: Running a command on...
...it should display as 3.50. The rounding only needs to be applied when Rails renders the input. It does not need to be applied while the user is typing in...
# ActiveRecord 3.2+ was activated end Detect if a gem has been required Rails will automatically require all the gems in your Gemfile, unless you pass the require: false...
...option. When working on non-Rails project (such as a gem), nothing is required automatically. To detect if a gem has been required, use defined? on one of the modules...
expect(time1).to eq(time2) end Note for users of #end_of_day Rails extends Time with a method #end_of_day which returns the latest possible Time on...
...version "3.4.0" resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.4.0.tgz#8de513fa0fa4b2c7d2e48a530e26f0596936efdf" integrity sha512-ggRCXln9zEqv6OqAGXFEcshF5dSBvCkzj6Gm2gzuR5fWawaX8t7cxKVkkygKODrDAzKdoYw3l/e3pm3vlT4IbQ== package.json { "dependencies": { "@rails/webpacker": "4.x", "bootstrap-datepicker": "1.8.0", # the package says it needs "jquery": ">=1.7.1 <4.0.0" as a dependency
...node_modules/jquery node_modules/bootstrap-datepicker/node_modules/jquery Actual issue Within the Rails Webpacker config we now provide a jQuery object to boostrap-datepicker: config/webpack/environment.js environment.plugins.prepend( 'Provide', new webpack.ProvidePlugin({ $: 'jquery', jQuery: 'jquery', 'window.jQuery': 'jquery...
From Exploring ES6: Module imports are hoisted (internally moved to the beginning of the current scope). Therefore, it doesn’t...
...ein User ungefiltertes HTML in die Webseite einfügen kann. Danke für den interessanten Beitrag! alert('you have been hacked') Rails löst das Problem weitgehend, aber Programmierfehler weiter möglich manchmal Sicherheitslücken in Gems oder Rails
background-color: blue; } = javascript_tag nonce: true do :plain window.addEventListener('load', () => { ... }); CSP mit Rails Demo Konfiguration via config/initializer/content_security_policy.rb Überschreiben in einzelnen Controllern Nonce-Support für javascript_tag
...one (pnpm add, pnpm install), the lock file is pnpm-lock.yaml. See the card Our Rails stack for the bigger picture...