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Languages & runtimes · #ruby
Learn how to use the frozen_string_literal pragma in Ruby to reduce memory allocations and improve GC performance while avoiding FrozenError crashes.
Stop duplicating tests for similar classes. Learn how to use RSpec shared examples to define behavioral contracts and keep your test suite DRY and maintainable.
Stop duplicating tests across similar classes. Learn how to use RSpec Shared Examples to define common behaviors once and apply them across your entire test suite.
Stop relying on opaque options hashes in Ruby. Learn how to use required and optional keyword arguments to create explicit, maintainable method signatures.
Learn how Ruby keyword arguments let you pass parameters by name, avoid ordering bugs, and keep method signatures stable as APIs grow.
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
rspec
openssl