When RSpecs runs the first feature spec, you may see log output like this: Capybara starting Puma... * Version 6.5.0, codename...
ActiveRecord computes table names of model classes, and results are usually just like you'd expect. Adding a prefix for...
In Rails 7.2. the feature ActiveRecord.after_all_transactions_commit was added, for code that may run either inside or outside...
In Rails 7.2 the new default for config.action_dispatch.show_exceptions is rescuable. :rescuable: It will show a Rails error page in...
Unpoly 3.11.0 is a big release, shipping many features and quality-of-life improvements requested by the community. Highlights include...
You can report CSP violations to Sentry. Within config/initializers/content_security_policy.rb: Rails.application.configure do config.content_security_policy do |policy| # Settings for the policy...
We usually ship applications that self-host webfonts to comply with GDPR. Many popular web fonts are available as NPM...
The linked article shows how to configure omniauth-multi-provider to support multiple SAML identity providers for a single Rails...
If you need dummy data to play around with in development, it's often faster to reuse your existing factories...
When you want to filter records in a model where a string column roughly matches a given term, you can...
In Rails, the implicit_order_column (added in Rails 6) is a configuration option that helps you define the default...
Why Rails has multiple schema formats When you run migrations, Rails will write your current database schema into db/schema.rb. This...
ActiveStorage does not provide any built-in way of implementing authentication for the available DirectUpload endpoint in Rails. When using...
For long running scripts it is useful to show a indicator for the progress in the terminal. Alternatively you can...
PostgreSQL can cosplay as a full-text search engine. It doesn't have the features or fidelity of ElasticSearch or...
Method delegation in Rails can help you to keep your code organized and avoid deep call chains (law of demeter...
Haml renders HTML with indentation reflecting the nesting level of elements. When it comes to white-space preserving content, this...
Given there is a user with an attachable avatar: class User < ApplicationRecord has_one_attached :avatar end
The key to unlocking the full potential of LLMs in coding lies in crafting precise prompts. The main challenge is...
Rails wraps your parameters into an interface called StrongParameters. In most cases, your form submits your data in a nested...
The new params.expect method in Rails 8 improves parameter filtering, addressing issues with malformed input and enhancing security. It provides...
Bundler allows you to specify the name of the Gemfile you want to bundle with the BUNDLE_GEMFILE environment variable...
Also see the list of IRB commands. Switching the context Changes the "default receiver" of expressions. Can be used to...
To reverse lookup a fixture by its table name and id, use the following approach on ActiveRecord::FixtureSet: table = 'users...