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Run Ruby acceptance scenarios written in Gherkin and connect their steps to project code.

Compile Ruby-inspired, statically typed Crystal programs into native executables.

A Ruby framework for building database-backed web applications with conventional project structure.

Explore an interpreted object-oriented language for web applications, scripts, and text-processing tasks.

Build and debug Ruby and Rails projects in a dedicated JetBrains IDE.

Ruby, Rails and community reading in dated editions

Convert AsciiDoc source into HTML and other publishing formats with the Ruby-based reference implementation.

Collect application traces, metrics, logs, and error signals with language-specific agents.

Turn Markdown, Liquid templates, and data files into a static website with a Ruby-based generator.

Learn Ruby by correcting ordered test-based exercises

Deploy applications to your own servers through a Ruby task workflow that coordinates remote commands over SSH.

Describe Ruby behavior with executable examples, expectations, and test doubles from the RSpec libraries.

An SVG sprite library with Ruby and JavaScript template helpers.

Ruby on Rails lessons for new and returning developers

Targeted Ruby on Rails and Hotwire screencasts

Combine application error reports with external uptime checks and missed-job alerts.

Edit plain-text and source files on macOS with syntax highlighting, encoding tools, scripting, and regex search.

GitHub’s SVG icon system for developer and product interfaces.

Ruby on Rails commerce with separate core, administration and API components

Model paint-like colour mixing in a JavaScript application.

Current changes in the Rails framework

Inspect Unix-like systems for hardening opportunities

Expose Unix host hardware and kernel measurements at a Prometheus scrape endpoint.

Query and update YAML, JSON, XML, and other structured data from the command line.