#Ruby

27 questions

What is Ruby and its philosophy?Ruby#languageJunior
How do variables and basic types work in Ruby?Ruby#languageJunior
What does "everything is an object" mean in Ruby?Ruby#oopJunior
What is the difference between strings and symbols?Ruby#languageJunior
How do arrays and hashes work?Ruby#data-structuresJunior
What are blocks in Ruby?Ruby#blocksJunior
How do you define methods with arguments?Ruby#languageJunior
How do classes and objects work in Ruby?Ruby#oopJunior
What do attr_accessor, attr_reader and attr_writer do?Ruby#oopJunior
What control-flow does Ruby offer?Ruby#languageJunior
What is the difference between blocks, procs and lambdas?Ruby#blocksMiddle
What are modules and mixins?Ruby#oopMiddle
How do inheritance and method lookup work?Ruby#oopMiddle
How does exception handling work?Ruby#error-handlingMiddle
What is the Enumerable module?Ruby#functionalMiddle
How does yield work in methods?Ruby#blocksMiddle
What is duck typing in Ruby?Ruby#oopMiddle
What are gems and Bundler?Ruby#toolingMiddle
Why are symbols preferred as hash keys?Ruby#languageMiddle
What is metaprogramming in Ruby?Ruby#languageSenior
How does Ruby manage memory and garbage collection?Ruby#performanceSenior
What is the GVL and how does concurrency work in Ruby?Ruby#concurrencySenior
What does freezing objects do and why use frozen string literals?Ruby#performanceSenior
What are ranges and how are they used?Ruby#data-structuresMiddle
What are useful String methods and bang (!) variants?Ruby#languageMiddle
What is Struct and when do you use it?Ruby#oopMiddle
How does Ruby enable internal DSLs?Ruby#languageSenior