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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- 2019
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Latest Rails, React, and engineering articles
Field notes on framework changes, performance, upgrades, testing, and product engineering.
Rails Deprecates return/break in Transactions
Rails has disallowed using return, break and throw for exiting early from a transaction and having it committed.
Rails Relation#pick Uses Loaded Results
Rails ActiveRecord::Relation#pick now uses already loaded results instead of making a new query everytime.Rails Adds :from/:to to previously_changed?
Rails Active Model Dirty method [attribute_name]_previously_changed? now accepts :from and :to arguments just like [attribute_name]_changed?
Rails Adds Schema Cache Path Configuration
Rails now exposes a new configuration for specifying the location of the schema cache file. This can be done in database.yml using schema_cache_path key.Rails Action Cable Adds Stream Unsubscribe
Rails adds ActionCable::Channel#stop_stream_from and ActionCable::Channel#stop_stream_for methods to allow user to unsubscribe from specific streamRails Adds round_mode to Number Helpers
Rails has added :round_mode parameter support to number helpers
Ruby 2.7 Warns Setting $ Special Variables
In Ruby 2.7, setting special variable $, $; $/ $\ to non-nil values will now show a deprecated warningEager Loading Active Storage to Avoid N+1
Removing N+1 queries when we access the Active Storage attachments associated with an ActiveRecord model.Rails Adds Jitter to ActiveJob retry_on
Rails adds jitter to ActiveJob::Exceptions.retry_on to cater to thundering herd effectRuby Hash#transform_keys Accepts Key Mapping
Ruby Hash#transform_keys now also accepts a hash that maps the existing hash keys to new keys