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Ruby on Rails: Compress the complexity of modern web apps

Safer to_i coercion, custom to_fs formats, and more! This Week in Rails: May 16, 2026 This Week in Rails: May 8, 2026 This Week in Rails: May 1, 2026 Active Record gets better every week Great big Rails World 2026 update: CFP, Corporate Support tickets, workshops Query command for database queries and more Explicit query: and body: kwargs for integration tests and more! Speedup ActiveRecord::LogSubscriber#sql_color and more! This Week in Rails: March 27, 2026 Rails Versions 8.0.5 and 8.1.3 have been released! Rails Versions 7.2.3.1, 8.0.4.1, and 8.1.2.1 have been released! This Week in Rails: March 20, 2026 Validate URI scheme in Action Text and more This Week in Rails: March 6, 2026 Planning Center is the newest Rails Foundation Contributing member Action Text gets Markdown conversion, editor links in devcontainers, and more! BARRA seeks Rails developer Joe Agliozzo is looking for a Rails developer The rise of lighttpd as the alternative web server When longer is better and more is more Snowdevil: First e-tailer on Rails Natural selection for frameworks in Ruby vs Java Address book tutorial in Portuguese Becoming a better programmer with Rails 10 Things Every Java Programmer Should Know About Ruby Really Getting Started in Rails Off the Treadmill, Onto the Rails Rails 0.9.5: A world of fixes and tweaks Rich clients with Rails and XUL Pedrosa on Rails vs WebWork: 'Language DOES matter' 'Ruby on Rails is unbelievably good' Celebrating six months anniversary! Speeding up CGI access to Gem Rails CD Baby leaves PHP behind for Ruby on Rails "I think Ruby on Rails is way over hyped" Programmer needed for JSP to Rails conversion Beyond the 10,000th gem install of Rails 'That application is so stupid' Matz takes note of Ta-da and Rails Rails tutorial on O'Reilly's ONLamp Welcome Slashdotters! Ta-da goes international with UTF-8 Make your Ta-da list today Rails 0.9.4.1: Cleaning up the mess Rails 0.9.4: Caching, filters, SQLite3... An unusual high presence of Macs Having problems running tests under 1.8.2? It\'s all about the applications But what does Rails go web services with XML-RPC prototype Rails runs through XP Cincinnati RedHanded out-evangelizes the evangelizer Rails on Lighttpd with FastCGI Have a codefest and collect cash from RubyCentral Jamis Buck is working on Basecamp S5 Presents competes with SoapBX 3,000 people are doing 10,804 things... Using the Rails to impress potential employers Brian discovers the default logging goodness SoapBX: Presentations powered by S5, Textile, Rails Road Map: The rails leading to 1.0 Tracks: A Getting Things Done implementation Nicholas presents the Directors Rails 0.9.3: Optimistic locking, dynamic finders, 1.8.2 Ruby on the German Rails 43things in 5,204 lines of Ruby on Rails Watch for huge requests on default FCGI How the redesign of the website came to be Are you watching the health of your software? "Some amazing web apps appear on Ruby on Rails" Learning Ruby on Rails with 43things The Robot Co-op takes 43things.com live! Giving up on Java for lack of love Setting up EliteJournal on TextDrive without a vhost Celebrating 219 applied patches since 0.7 Escaping Java but not its thinking "Simple design that even my grandma can understand" Rails logo remixed by Olivier Hericord Rake 0.4.14 includes fix for Ruby 1.8.2 Splitting off the research patches Running rake tests with Ruby 1.8.2 Marten opens Epilog for Trac'ing Drew McLellan predicts Rails celebrates more than 10,000 downloads Variations on a railed theme Securing your Rails: Keep it secret, keep it safe Available for hire? Collaboa and EliteJournal joins the Trac Playing Active Records on MS SQLServer and DB2 Open sourcing the Rails logo Rails: Technology of the Year #1 Reacting to customer requests in real time Extracting missing content from wiki backups Ruby on Rails has its web presence overhauled 43 things makes The Seattle Times 5.gets David Heinemeier Hansson Ruby 1.8.2 finally sees the light of day Rails 0.9: Fast development, breakpoints, validations Rails 0.9.1: Small, but important bugfix for Action Pack
This Week in Rails: cable got buffer, callbacks stripped, and more!
David Heinemeier Hansson · 2016-09-30 · via Ruby on Rails: Compress the complexity of modern web apps

Friday, September 30, 2016
Posted by kaspth

Cadet, you’re at the new frontier! Orbiting the red planet just yonder, you ponder and wonder:

Do Martians drink their Martinis on the rocks?

All this crew member knows is that he prefers his scoops on the Rails — good news, everyone: We’re setting course for such a delivery!

This Week’s Multiplanetary Contributors

22 contribunauts came aboard the contributor list this week with their precious commits harvested for the good of all. You’ve earned this heart of gold: 💛

Action Cable buffers socket writes

Quoting the description:

Sockets can sometimes block, leading to reduced system throughput as threads get tied up.

Switching to incremental writing allows Action Cable to spread out writes such that a blocked socket can’t block writes to other sockets.

Callbacks leaves less backtrace lines

Callbacks — before_action and friends — moved forward by going back this week: back to the backtrace and removing traces of itself. Try that, McFly!

Check the description for an example, it’s quite easier to see in action.

Improved

Rails’ test runner supports after_run hooks

The Rails test runner switched to using minitest’s autorun across the board, as such it gained support for Minitest.after_run hooks.

autorun also guards against running tests twice, which could happen in some cases. But that’s now fixed too.

Fixed

Don’t leak ActiveModel::Errors default_proc

Previously when serializing ActiveModel::Errors via to_hash or as_json for instance, the default_proc would hide in the engine compartment and spring out when the crew was out of orbit.

No more of those alien capers on this ship!

Make :as option also set request format

In Rails 5 you can make an as of your test requests, as: :json that is.

After adding the option to ActionController::TestCase last week, we’ve opened the pod bay doors once ensuring the format is just right_._

Wrapping up

That’s it for this week, as usual there were more changes than what we can fit, feel free to check them yourself here!

Until next week!