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Ruby Short Course

Discover Ruby, the elegant programming language designed for developer happiness that powers Ruby on Rails and countless web applications. Ruby's expressive, readable syntax makes programming feel natural and enjoyable, while its powerful object-oriented design handles complex applications. This course covers Ruby essentials including objects, strings, arrays, hashes, blocks, procs, lambdas, and the gem ecosystem.. Master ruby through bite-sized, swipeable learning tiles — designed for busy people who want to learn on the go.

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About This Ruby Course

This Ruby short course on SkillTiles breaks down everything you need to know into 10 structured milestones, each packed with bite-sized learning tiles you can swipe through in under 15 seconds each.

Whether you're a complete beginner or looking to refresh your knowledge, this online ruby course uses AI-powered content to adapt to your learning pace. Each tile delivers a focused concept, example, or quiz — making it perfect for commutes, coffee breaks, or quick study sessions.

Covering 70 key topics across 10 milestones, this course takes you from foundations to practical application. Earn badges as you complete each milestone and track your progress on your learning dashboard.

Course Curriculum

1

Ruby Essentials

Objects, blocks, and gems

everything is an objectstrings and symbolsarrays and hashesblocks, procs, and lambdasclasses and modulesiterators (each, map, select)gems and bundler
2

OOP in Ruby

Ruby's elegant object model

classes and modulesinstance and class methodsattr_accessor and propertiesinheritance and mixinsduck typingopen classesmethod_missing and respond_to?
3

Blocks & Iterators

Ruby's powerful iteration patterns

blocks and yieldprocs and lambdaseach, map, select, rejectreduce and injectEnumerable modulelazy enumeratorscustom iterators
4

Ruby on Rails Basics

Build web apps rapidly

Rails project setupMVC architectureActive Record basicsrouting and controllersviews and ERBmigrationsRails console and generators
5

Advanced Rails

Master Rails patterns

Active Record associationsquery optimization (N+1)background jobs (Sidekiq)Action MailerAPI modeauthentication (Devise)testing with RSpec
6

Testing Ruby

RSpec and test-driven development

RSpec basicsdescribe and contextlet and before hooksmocking and stubbingfactory_bot factoriesrequest specsTDD workflow
7

Metaprogramming

Ruby's most powerful feature

define_methodmethod_missingclass_eval and instance_evalhooks (included, inherited)DSL creation patternseigenclassessafe metaprogramming practices
8

Gems & Ecosystem

Navigate the Ruby ecosystem

Bundler and Gemfilecreating a gempopular gems overviewRack middlewareSinatra for microservicesconfiguration patternspublishing gems
9

Ruby Patterns

Idiomatic Ruby design patterns

service objectsdecoratorsform objectsquery objectsconcerns and modulesdependency injectionclean architecture in Rails
10

Advanced Ruby

Expert-level Ruby development

concurrency (Ractor, threads)fiber and asyncperformance profilingmemory optimizationC extensions basicsRuby 3.x featuresscaling Ruby applications

What You'll Learn in This Ruby Course

everything is an object
strings and symbols
arrays and hashes
blocks, procs, and lambdas
classes and modules
iterators (each, map, select)
gems and bundler
classes and modules
instance and class methods
attr_accessor and properties
inheritance and mixins
duck typing
open classes
method_missing and respond_to?

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