{"title":"All Courses","description":null,"products":[{"product_id":"free-pathway","title":"Free Pathway","description":"\u003cp\u003eFree Pathway is a free starter course that gives you an understanding of the true nature of Ruby, not just a surface-level overview. 🚀\u003cbr\u003eMany people start with \"hello world\" and quickly get lost when they reach real projects. 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Worked with Ruby in production systems, scripts, ETL processes, and open-source. Loves explaining \"why it works this way\", not just \"copy this code\". 📝\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856256250204,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/1.png?v=1772196158"},{"product_id":"pulse-forge","title":"Pulse Forge","description":"\u003cp\u003ePulse Forge is a course that helps you move from understanding Ruby basics to comfortably working with its powerful mechanisms. ⚙️\u003cbr\u003eAfter Free Pathway, you already know why everything in Ruby is an object and how symbols work. Now it's time to apply that knowledge in practice: write cleaner, more flexible, and more efficient code using collections, blocks, and iterators.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003cbr\u003e6 modules with videos, a large number of code examples, in-code comments, independent exercises, and logic-checking tasks.\u003cbr\u003eModule 1: Deep work with arrays and hashes\u003cbr\u003emap, select, reject, reduce, inject methods • method chaining • frozen arrays and hashes ❄️\u003cbr\u003eModule 2: Blocks as Ruby's core tool\u003cbr\u003eyield vs explicit block • block_given? • \u0026amp;block as argument • real Enumerable examples\u003cbr\u003eModule 3: Iterators and Enumerable\u003cbr\u003eeach vs each_with_index vs each_slice • custom iterators via Enumerable • lazy enumeration with Enumerator\u003cbr\u003eModule 4: Proc and Lambda — first steps\u003cbr\u003eProc.new vs lambda • differences in return behavior • usage in sort_by, group_by\u003cbr\u003eModule 5: Range and other Enumerable classes\u003cbr\u003e(1..100).step, (a..z), Date ranges • usage in loops and iterations\u003cbr\u003eModule 6: Practical exercises on code cleanliness\u003cbr\u003eRefactoring typical \"spaghetti\" examples • using blocks for DSL-like syntax\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho this course is for\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSuitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ecompleted Free Pathway or have equivalent knowledge\u003c\/li\u003e\n\u003cli\u003ewant to stop writing \"long\" code and start using blocks and iterators naturally\u003c\/li\u003e\n\u003cli\u003eare ready to complete exercises that require understanding logic, not just copying 😌\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNot suitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eare not yet familiar with Ruby's object nature\u003c\/li\u003e\n\u003cli\u003eare looking for a quick overview without practical tasks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat you will study\u003c\/strong\u003e\u003cbr\u003eHow to chain collection methods for compact code\u003cbr\u003eHow to create and pass blocks for flexibility\u003cbr\u003eThe difference between Proc and Lambda in real examples\u003cbr\u003eHow to write custom iterators and use lazy approaches\u003cbr\u003eHow to avoid common block and return mistakes\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout the author\u003c\/strong\u003e\u003cbr\u003eDeveloper with over 8 years of Ruby experience. Worked with large data collections, automation, and scripts where iteration and block efficiency was key. 📚\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003cbr\u003e\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856308547932,"sku":null,"price":50.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/2.png?v=1772196186"},{"product_id":"vertex-flow","title":"Vertex Flow","description":"\u003cp\u003eVertex Flow is a course that helps you move from using Ruby's built-in tools to understanding how to create your own abstractions and organize large codebases. 🌊\u003cbr\u003eAfter Pulse Forge, you are already comfortable with blocks, iterators, and collections. 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Worked on large monolithic and modular systems where metaprogramming and composition were key to code maintainability. 📖\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003cbr\u003e\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856330043740,"sku":null,"price":100.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/3.png?v=1772196234"},{"product_id":"quantum-slate","title":"Quantum Slate","description":"\u003cp\u003eQuantum Slate is a course that helps you move from \"it works\" to \"it works fast and reliably\" in real Ruby projects. 🔬\u003cbr\u003eAfter Vertex Flow, you already know how to organize code with modules and metaprogramming. 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Worked on high-load scripts, ETL processes, and production systems where every second and every MB mattered. 🛠️\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003cbr\u003e\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856345280860,"sku":null,"price":170.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/4.png?v=1772196253"},{"product_id":"zenith-pathway","title":"Zenith Pathway","description":"\u003cp\u003eZenith Pathway is a course that helps you move from \"writing code\" to \"building resilient systems\" in Ruby. 🏔️\u003cbr\u003eAfter Quantum Slate, you know how to make code fast and efficient. 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Worked on enterprise-level systems where architecture and maintainability were critical for teams of 10+ developers. 🏛️\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003cbr\u003e\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856352227676,"sku":null,"price":190.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/5.png?v=1772196260"},{"product_id":"nexus-pathway","title":"Nexus Pathway","description":"\u003cp\u003eNexus Pathway is a course that helps you move from \"local developer\" to \"production-ready engineer\" in Ruby. 🌐\u003cbr\u003eAfter Zenith Pathway, you know how to build clean architecture and test code. 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Worked on high-load systems where uptime, observability, and fast recovery were critical. Conducted production infrastructure audits. 🔒\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003cbr\u003e\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856356979036,"sku":null,"price":210.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/6.png?v=1772196266"},{"product_id":"prime-pathway","title":"Prime Pathway","description":"\u003cp\u003ePrime Pathway is a course for those who want to reach the pinnacle of Ruby's capabilities in 2026 and write code that scales to thousands of requests, millions of lines, and years of operation. 👑\u003cbr\u003eAfter Nexus Pathway, you know how to deploy, monitor, and secure production. Now it's time to dive into the most advanced tools and techniques: alternative Ruby implementations, true parallelism, JIT optimizations, custom extensions, and strategies for enterprise-level projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003cbr\u003e10 modules with videos, deep technical examples, benchmark scripts, exercises on custom implementations, and analysis of real high-load cases.\u003cbr\u003eModule 1: Ruby implementations deep dive\u003cbr\u003eMRI vs YJIT vs MJIT vs TruffleRuby vs JRuby • when and why to choose each • YJIT tuning in production\u003cbr\u003eModule 2: Ractors (true parallelism in Ruby 3+)\u003cbr\u003eRactor.new, shareable objects, Ractor.select • limitations and workarounds • real-world use cases\u003cbr\u003eModule 3: Advanced concurrency models\u003cbr\u003eActors (Celluloid-style or custom) • Polyphony \/ Fiber-based async • comparison with Go goroutines\u003cbr\u003eModule 4: JIT \u0026amp; AOT optimizations\u003cbr\u003eYJIT warmup strategies • MJIT methods • reading and interpreting JIT logs • custom JIT experiments\u003cbr\u003eModule 5: Writing C-extensions basics\u003cbr\u003erb_define_method, rb_funcall • data types • memory management • using Rust for extensions (magnus)\u003cbr\u003eModule 6: Enterprise Ruby patterns\u003cbr\u003eMonorepo vs multi-repo • service boundaries • feature flags • gradual typing (Sorbet, steep)\u003cbr\u003eModule 7: Extreme performance tuning\u003cbr\u003eObject shapes optimization • string interning • custom allocators • GC tuning params (2026 relevant)\u003cbr\u003eModule 8: Migration \u0026amp; modernization strategies\u003cbr\u003eRuby 3.3 → 3.4 → 4.0 upgrades • Rails → Hanami or pure Ruby • legacy → modular monolith\u003cbr\u003eModule 9: Research \u0026amp; future-proofing\u003cbr\u003eRuby Next, experimental features • following Ruby core dev • contribution basics (if interested)\u003cbr\u003eModule 10: Capstone project\u003cbr\u003eFull high-performance service: Ractors + YJIT + custom C-ext + observability + deploy pipeline\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho this course is for\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSuitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ealready have production experience and hit MRI limits\u003c\/li\u003e\n\u003cli\u003ewant to use true parallelism and JIT to the maximum\u003c\/li\u003e\n\u003cli\u003eplan to work in companies where Ruby is a core technology or write open-source gems 🏆\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNot suitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eare not yet confident with production deployment and observability\u003c\/li\u003e\n\u003cli\u003eare looking for \"how to make it faster in 5 minutes\" without deep internals understanding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat you will study\u003c\/strong\u003e\u003cbr\u003eWhen and how to switch to YJIT, MJIT, or JRuby\u003cbr\u003eHow to use Ractors for real parallelism\u003cbr\u003eHow to write simple C-extensions and use Rust for performance\u003cbr\u003eHow to tune Ruby under extreme load\u003cbr\u003eHow to plan long-term Ruby project evolution\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout the author\u003c\/strong\u003e\u003cbr\u003eDeveloper with over 8 years of Ruby experience. Worked on systems with tens of millions of daily requests, tuned YJIT and Ractors in production, wrote C-extensions, and participated in Ruby core discussions. 🌍\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003cbr\u003e\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856361435484,"sku":null,"price":500.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/7.png?v=1772196271"}],"url":"https:\/\/lumiruby.com\/collections\/frontpage.oembed","provider":"Lumiruby","version":"1.0","type":"link"}