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Languages & runtimes · #ruby
When deploying Ruby applications (version 3.0+) to memory-constrained environments with low request volume, the goal is to minimize the Resident Set Size (RSS) to reduce infrastructure costs. While Ruby's Generational Garbage Collection (RGenGC) manages object lifecycles, the default heap expansion behavior can lead to a memory footprint that exceeds the act
Goal: ensure that form fields generated by Rails helpers meet WCAG 2.1 AA keyboard and screen‑reader requirements by providing appropriate ARIA attributes and live error messages. Constraint: developers must decide between letting the accessible_rails gem inject ARIA attributes automatically based on model validations or writing explicit markup with content_
RubyMine and Ruby Metaprogramming: Controlling Dynamic Method Warnings In large Ruby projects, many methods are introduced at runtime via method_missing , metaprogramming helpers, or proxy objects. RubyMine often flags these as method not found warnings, cluttering the editor and the inspection tool window. The goal is to reduce this noise without turning of
Ensure that HTTPS requests made with Ruby's Net::HTTP succeed in production environments where the system may lack a trusted CA certificate bundle. Locally, the default OpenSSL store is usually present, so requests complete without error. In minimal containers or hardened servers, the bundle can be absent, leading to OpenSSL::SSL::SSLError: certificate verif
Deciding on a mocking strategy for a growing RSpec suite Our team is standardizing how we isolate collaborators in unit tests, and we keep hitting the same unresolved decision: when to use allow , when to use expect , and when spies are the better fit. The suite mixes all three styles inconsistently, and reviewers disagree on what each test is actually promi
I'm getting an error message that I can't find the solution for when I'm trying to install Rails v 6.1.1 on my new Mac machine (still on Catalina, not Big Sur) I have rbenv and Homebrew installed and have updated to the latest version of Ruby (3.0.0). When I put out which ruby I get: /usr/local/opt/ruby/bin/ruby Here's the error code I'm seeing in terminal w
Transactional Isolation and Example Retries Maintaining test isolation typically involves wrapping RSpec examples in database transactions using around(:each) hooks or integration tools like DatabaseCleaner. This ensures that writes are rolled back after each example to prevent state leakage. When integrating external retry mechanisms—such as the rspec-retry
Problem Statement In a Rails application using Devise’s :token_authenticatable module, tokens are configured to expire after a set period via config.expire_auth_token_on and config.expire_auth_token . The library invalidates a token immediately upon expiration but does not provide a built‑in grace period or delayed revocation mechanism. Constraints & Unc
Integration Boundary: Ruby Application and Third-Party REST APIs When testing Ruby integrations using the VCR and WebMock libraries, the primary goal is to simulate external API behavior without relying on live production credentials or risking the exposure of sensitive keys in version control. While VCR allows for the recording of real interactions into YAM
rails
rubymine
openssl
rspec