As of Rails 4.1.0, there’s now a better solution than the 4 year-old answers to this question: add the following line to your config file: config.action_view.raise_on_missing_translations = true I like to set this in the test environment only, but you might also want to set it in development. I would strongly advise against setting it … Read more
There’s now a method disable_ddl_transaction! that allows this, e.g.: class AddIndexesToTablesBasedOnUsage < ActiveRecord::Migration disable_ddl_transaction! def up execute %{ CREATE INDEX CONCURRENTLY index_reservations_subscription_id ON reservations (subscription_id); } end def down execute %{DROP INDEX index_reservations_subscription_id} end end
Rails 2 If you are still on rails 2 you will need to use: Client.select(‘distinct(name)’) Rails 3 If you are on Rails 3 you will need to use: Client.select(:name).uniq If you look at the equivalent section of the rails 3 guide you can see the difference between the two versions. Rails 4+ The .distinct option … Read more
gem looks for a configuration file .gemrc in your home directory, although you can specify another file on the command-line if you wish (with the –config-file modifier). There are three things you can specify in the configuration file: command-line arguments to be used every time gem runs command-line options for ’’RDoc’’ (used when generating documentation) … Read more
Try specifying the model and url separately: form_with(model: @activity, url: [@trip, @activity]) According the docs the the values for url are “Akin to values passed to url_for or link_to” so using an array should work. This also works with shallow nesting since the array is compacted.
The active_storage_blobs table does not exist yet. You need to first run: rails active_storage:install This command will add 2 migrations for 2 tables: active_storage_attachments and active_storage_blobs. These new migrations need to be run before the migrations you have above. There is a trick for this, you can consider manually changing the timestamp in the filenames … Read more
With save! validations always run. If any of them fail ActiveRecord::RecordInvalid gets raised. Try .save(validate: false)
The error occurs due to the following security update in Rails: https://discuss.rubyonrails.org/t/cve-2022-32224-possible-rce-escalation-bug-with-serialized-columns-in-active-record/81017 The Hash serializer apparently loaded data with YAML.unsafe_load, which now changed to YAML.safe_load. This new method does not handle data types such as Symbol or Time by default for security reasons. The workaround as the announcement suggests is to either migrate the serializer … Read more
If you have this problem on your local machine.. If you have just upgraded from rails 6 to 7, and have config.load_defaults 7.0 set in config/application.rb, then your app will use vips by default. If that’s what you want, just make sure vips is installed locally. You can install it with homebrew (thanks to @timroman … Read more
Rails 5.1+ params.require(:post).permit(:files => {}) Rails 5 params.require(:post).tap do |whitelisted| whitelisted[:files] = params[:post][:files].permit! end Rails 4 and below params.require(:post).tap do |whitelisted| whitelisted[:files] = params[:post][:files] end