Rails Foundation Contributing Member
Ruby on Rails consulting from engineers who work deep in Rails.
Saeloun helps teams modernize Rails applications, improve performance, untangle production issues, and ship product work with a senior Rails and React team in Boston and Pune.
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- engineering articles
- 2019
- founded in Boston
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Latest Rails, React, and engineering articles
Field notes on framework changes, performance, upgrades, testing, and product engineering.
When to use the two hooks - useCallback and useMemo?
useCallback hook and useMemo hook are used for performance improvising, where useCallback hook returns memoized function and useMemo returns memoized value.
How to set up a CI/CD workflow for Expo React Native application using Github Actions.
In this blog, we will see how to set up a CI/CD workflow using Github Actions for the Expo React Native application.
Rails now uses error_highlight to locate the columns where an error is present
With the help of Ruby 3.1's error_highlight functionality, Rails can now pinpoint the exact column where an error is present.Rails 7 adds default value support for binary columns for SQLite
Binary columns now behave like other column types with default values in SQLite.Rails 7 updates through_reflection to distribute transactions across database connections
Models that use multiple databases now perform writes within a single transaction.
ActiveRecord::QueryMethods#select adds support for hash values in Rails 7.1
ActiveRecord::QueryMethods#select adds support for hash values in Rails 7.1Rails extends routes searching to include dynamic URL params
Now search for `cats/10/toys/15` instead of `cats/:cat_id/toys/:id`, making it easier to find the route you're looking for.
Understanding the CSS parent selector :has()
If we want to target the parent element based on the content or the child elements we can use :has().
Rails "ActionController::Parameters.to_h" can now receive a block
ActionController::Parameters.to_h will now receive a block just like Hash#to_h and achieve parity. This gives the ability to customize the way parameters are passed to the controller.Rails 7 now reads ENV["SCHEMA_FORMAT"] when doing rails db:schema:{dump,load}
Previously rails db:schema:{dump,load} would only dump Ruby format. Now it reads ENV["SCHEMA_FORMAT"] to choose between Ruby and SQL formats.