For Selenium tests, your browser starts in your local timezone, or whatever your system's environment specifies. This is usually...

Why Rails has multiple schema formats When you run migrations, Rails will write your current database schema into db/schema.rb. This...

developer.mozilla.org

Here is a workaround for when you want to use text-wrap: balance but must also render nicely for browsers...

DirectUpload allows you to upload files to your file storage without having to wait for the form to submit. It...

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...

SVG files often contain redundant information, like editor metadata or hidden elements. When esbuild handles your static assets, 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.info

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

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...

When debugging slow SQL queries, it’s helpful to understand the database engine's query plan. Whenever you execute a...

Using ffmpeg, you can easily re-encode a video to reduce its file size. Command Do it like this:

Rails wraps your parameters into an interface called StrongParameters. In most cases, your form submits your data in a nested...

github.com

The new params.expect method in Rails 8 improves parameter filtering, addressing issues with malformed input and enhancing security. It provides...

makandra dev
impactahead.com

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...

TL;DR: Rails ships two methods to convert strings to constants, constantize and safe_constantize. Neither is safe for untrusted...

In development, we store files using ActiveStorage's disk service. This means that stored files are served by your Rails...

If you update Selenium regularly, you'll run into deprecation warnings similar to: WARN Selenium [:clear_local_storage] [DEPRECATION] clear...

tl;dr When a cookie includes an Expires attribute or an HTTP response includes caching headers like Expires or Cache...

In FactoryBot factories, Rails' file_fixture is not available by default. To enable it, include a support module from rspec...