Jeremy Evans

"Polished Ruby Programming" is now available for purchase! The book teaches design principles, best practices, and appropriate trade-offs to the intermediate Ruby programmer. I look forward to seeing what people think about the book. packt.live/3bfGmLI @PacktPub

Slides from my expanded "Eliminating Unnecessary Implicit Allocations" presentation, which I gave at the SF Ruby Meetup a few hours ago, are now available code.jeremyevans.net/presentations/…

Roda 3.94.0 Released: view_subdir_leading_slash plugin added for easier usage of nested view subdirectories, optimizations for the render_each and each_part plugins github.com/jeremyevans/ro…

minitest-parallel_fork 2.1.0 released: Add support for graceful and immediate shutdown via interrupts (Ctrl+C) github.com/jeremyevans/mi…

Sequel 5.94.0 released: Support for PostgreSQL FOR NO KEY UPDATE, FOR KEY SHARE, NOT ENFORCED, and ALTER CONSTRAINT, foreign key/check constraint reflection information includes validated/enforced setting, many minor performance improvements github.com/jeremyevans/se…

Roda 3.93.0 released: Support for custom invalid value messages per type in the typecast_params plugin, many minor performance improvements, mostly from rubocop-performance github.com/jeremyevans/ro…

Sequel 5.93.0 released: Dataset#explain support for all EXPLAIN options on PostgreSQL, OLD/NEW support for PostgreSQL 18 RETURNING clauses, prepare_sql_type for more control over prepared statements when using RETURNING github.com/jeremyevans/se…

Video of my RubyKaigi 2025 presentation "Eliminating Unnecessary Implicit Allocations" is now available youtube.com/watch?v=7Gmk8b…

Rodauth 2.39.0 released: Support Roda plain_hash_response_headers plugin on Rack 3+, avoid cookie length overflow when using login_return_to_requested_location?, avoid code deprecated in recent json/webauthn versions github.com/jeremyevans/ro…

Roda 3.92.0 released: each_part plugin for easier rendering of a collection of partials with additional locals, render_each plugin optimized for render plugin :assume_fixed_locals option github.com/jeremyevans/ro…

capybara-validate_html5 2.1.0 released: Capybara.custom_html_validation added to support custom validations, beyond the validation done by Nokogiri's HTML5 parser github.com/jeremyevans/ca…

Sequel 5.92.0 released: sql_literal_allow_caching? support added so objects with custom literalization can also support Dataset SQL caching, Model.qualified_primary_key added, set_column_not_null is now reversible github.com/jeremyevans/se…

Slides from my #RubyKaigi 2025 presentation "Eliminating Unnecessary Implicit Allocations" are now available code.jeremyevans.net/presentations/…

Today from 3:10pm-3:40pm at #RubyKaigi, I'll be participating in a book signing across from the bookstore on the second floor. I'll also be giving away 6 promotional copies of the English version of Polished Ruby Programming, thanks to @PacktPublishing. Hope to see you there!

Roda 3.91.0 released: render_each method now accepts a block to yield template output, capture_erb method/plugin now accepts returns: :buffer to return value of temporary buffer instead of block github.com/jeremyevans/ro…

In celebration of my upcoming #RubyKaigi presentation, @PacktPublishing is offering Polished Ruby Programming for 30% off until April 30th, using code 30RUBY at checkout packtpub.com/en-us/product/…

Sequel 5.91.0 released: pg_auto_validate_enums plugin added, improved support for string arrays in pg_auto_parameterize_in_array extension, forbid_lazy_load plugin :allow_by_default option, datetime(N) type support restored github.com/jeremyevans/se…

Hello Ruby friends 👯 📊 Just published: "Benchmarking Ruby ORMs: ActiveRecord vs Sequel Performance: Mind-blowing results: • Sequel: 123x faster for simple queries • Bulk operations: 36x performance boost • OccamsRecord: 40% less memory usage I also compared some queries…

Roda 3.90.0 released: send_file in sinatra_helpers plugin now returns response body implementing to_path, anonymous module/class temporary names on Ruby 3.3+, common_logger escapes embedded newlines github.com/jeremyevans/ro…

Sequel 5.90.0 released: pg_eager_any_typed_array plugin added for explicitly typed eager loading queries on PostgreSQL, avoid query-per-enum when loading pg_enum extension after pg_array extension github.com/jeremyevans/se…

I'm happy to announce that I'll be presenting at #RubyKaigi this year, along with many other amazing speakers rubykaigi.org/2025/speakers/ If you saw my RubyKaigi 2024 presentation, you may be able to guess what I'll be talking about this year. :)