Ivo Anjo is a Software Engineer at Datadog. His main focus is the Ruby Language. He is currently working on building a Ruby profiler and was a speaker at RubyKaigi 2022. He returns to the show with Chuck and Valentino to discuss the gvl-tracing gem, a Ruby gem that he recently created. It is a Ruby gem for getting a timeline view of Global VM Lock usage in your Ruby app. Additionally, he describes how this may be applied to improve performance and speed up Ruby Apps.
About this Episode

• Features of gvl-tracing Gem
• Applying Global VM Lock to Ruby Applications
• How Ruby Profiler works
• All about Heap Sampling and its benefits
  
  

Sponsors

• AppSignal
• Developer Book Club starting with Clean Architecture by Robert C. Martin
• Become a Top 1% Dev with a Top End Devs Membership

Links

• tracing ruby’s (global) vm lock
• GVL Instrumentation API 
• ivoanjo/gvl-tracing
• [EN]Hunting Production Memory Leaks with Heap Sampling / @KnuX and @KJTsanaktsidis - YouTube
• Analyze Ruby Code Performance With Datadog Continuous Profiler | Datadog
• All About Queueing In Rails Applications / Nate Berkopec - YouTube
• Hunting Production Memory Leaks with Heap Sampling - RubyKaigi 2022
• GitHub - zendesk/ruby_memprofiler_pprof: Experimental memory profiler for Ruby that emits pprof files.
• GitHub - bloomberg/memray: Memray is a memory profiler for Python
• subscribe to my newsletter!
• Ivo Anjo.me
• Twitter: @KnuX

Picks

• Charles - Tenpenny Parks | Board Game - BoardGameGeek
• Charles - Keeper of the Lost Cities
• Ivo - Linus Torvalds’ interview snippet where he mentions that “the Ruby people, strange people”, helped a lot in popularizing git
• Ivo - Real World Applications with the Ruby Fiber Scheduler - RubyKaigi 2022
• Ivo - TRICK 2022 (Returns) - RubyKaigi 2022
• Ivo - Megaruby - Running mruby/c programs on Sega Mega Drive - RubyKaigi 2022
• Ivo - The Culture Map by Erin Meyer
• Valentino - First Ruby Friend 
• Valentino - Galactic Unicorn (Pico W Aboard) - Pimoroni

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AppSignal is a real-time APM provider for Ruby, Rails, Elixir & Phoenix. In addition to host monitoring and an intuitive custom analytics platform, it provides insights into errors and performance problems. 

Thijs Cadier is the Cofounder and CTO of AppSignal. He starts off by sharing how their company was founded and what inspired them to develop AppSignal. He joins Chuck in the show to talk about AppSignal’s useful and new features. Moreover, he explains the details of how it functions and how users can benefit from subscribing to it. 
 Links

• AppSignal 
• Twitter: @AppSignal
• Twitter: @thijsc

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Takashi Kokubun is a staff developer at Shopify. He has been working with Ruby’s MJIT compiler for over 5 years but has been recently maintaining YJIT as well.  JIT compilation is a method of running computer code that involves compilation after a program has begun running rather than before. He joins the show to talk about these topics alongside Chuck and Valentino. He also explains their importance as this contributes to running Ruby applications smoothly. He also shares his experience working with rust and creating HAML 6.0.0. 
About this Episode

• Understanding JIT Compiler
• Difference between YJIT and MJIT
• Tools used to keep track of the optimization progress
• HAML Updates

Sponsors

• AppSignal
• Chuck's Resume Template
• Become a Top 1% Dev with a Top End Devs Membership

Links

• tenderlove/tenderjit
• Shopify/yjit-bench
• [EN]Towards Ruby 4 JIT / Takashi Kokubun @k0kubun
• k0kubun/railsbench
• ruby/yjit.md at master
• YJIT Benchmarks
• Shopify/bootboot
• Zig Programming Language
• k0kubun/hamlit
• k0kubun/temple
• YJIT: Dive into Ruby's JIT compiler written in Rust / Rust.Tokyo 2022
• RubyKaigi - YouTube
• YJIT Hacking
• haml/haml
• GitHub: k0kubun
• Twitter: @k0kubun

Picks

• Charles - Timpanogos Game Convention - Home | Facebook
• Charles - Rails Remote Conference 2022
• Takashi - Jiro Ramen Recipe (二郎系ラーメン)
• Takashi - I bonds
• Valentino - [EN]Towards Ruby 4 JIT / Takashi Kokubun @k0kubun

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Game Developer and CEO of DragonRuby, Amir Rajan returns to the show. He joins the rogues to talk about DragonRuby. DragonRuby is a zero dependency, cross-platform, Ruby runtime built on top of mRuby, libSDL, and LLVM. Additionally, Amir talks about how it allows you to use the Ruby language to build video games. He also shares his experiences when it comes to working with mruby.
About this Episode

• All about DragonRuby
• Building VR games using Ruby
• Runtime and how it works

Sponsors

• AppSignal
• Developer Book Club starting with Clean Architecture by Robert C. Martin
• Become a Top 1% Dev with a Top End Devs Membership

Links

• 272 RR Game Development and RubyMotion with Amir Rajan
• RR 333: RubyMotion and the Aesthetic of Ruby with Amir Rajan
• RUBYMOTION
• DragonRuby
• Flappy Dragon by DragonRuby
• mruby
• Simple DirectMedia Layer
• Ryan C. Gordon's Homepage
• fiddle.dragonruby.org
• Chipmunk2D Physics
• Toby Fox
• GitHub: DragonRuby/dragonruby-game-toolkit-contrib
• Intro to DragonRuby Game Toolkit
• Pico-8 Fancine
• Duelists
• amirrajan.net
• Twitter: @amirrajan

Picks

• Amir - Project Hail Mary
• Amir - We Are Legion (We Are Bob)
• Amir - The Broken Earth Trilogy
• Charles - King of Tokyo
• Charles - Command your coding career
• Charles - Rails Remote Conference 2023
• Luke - UTM
• Luke - Modules! Magnets! MiRage Mk3: The Mechanical Keyboard You're Meant to Modify!
• Luke - Real Hardware Hacking (with a hacksaw): My New Wearable Computer
• Valentino - Apple Watch Ultra

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Kevin Newton works at Shopify. He is specifically assigned to the Ruby and Rails Infrastructure Team. He returns to the show to talk about building Parsers in Ruby since he is working full-time on a new Ruby parser called "Prettier Ruby Plugin”. Prettier works with the majority of editors and support different languages.  He shares his journey on how he was able to create it.  He also talks about "exreg", which is a Ruby regular expression engine that he created. 
About this Episode

• All about Parser 
• How Parser applies to Ruby
• Advantages of using Parser
• Ways to write Parsers
• All about exreg

Sponsors

• AppSignal
• Developer Book Club starting with Clean Architecture by Robert C. Martin
• Become a Top 1% Dev with a Top End Devs Membership

Links

• prettier/plugin-ruby
• GitHub - ruby-syntax-tree/syntax_tree: A fast Ruby parser and formatter
• GitHub - kddnewton/exreg: A Ruby regular expression engine
• Twitter: @kddnewton
• GitHub: kddnewton
• Kevin Newton

Picks

• Dave - Blackmagic Design
• Dave - LEGO® Bonsai Tree | Official LEGO® Shop US
• Dave - WebAssembly
• Kevin - Just for Fun. No, Really.
• Luke - Order Starlink
• Luke - The Grug Brained Developer
• Luke - Emmet — the essential toolkit for web-developers
• Luke - AArch64 Bitmask Immediates
• Valentino - Design Kit

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Get the Black Friday/Cyber Monday "Focus Blocks Bundle" Deal Coupon Code: "THRIVE" for a GIANT discount   Are you looking at all the layoffs and uncertainty going on and wondering if your company is the next to cut back?  Or, maybe you're a freelancer or entrepreneur who is trying to figure out how to deliver more value to gain or retain customers?  Mani Vaya joins Charles Max Wood to discuss the one thing that both of them use to more than double their productivity on a daily basis.  Mani has read 1,000's of productivity books over the last several years and has formulated a methodology for getting more done, but found that he lacked the discipline to follow through on his plans.  The he found the one thing that kept him on track and made him so productive that he is now getting all of his work done and was able to live the life he wants.  Chuck also weighs in on how Mani's technique has worked for him and allows him to spend more time with his wife and kids, run a podcast network, and a nearly full time contract.  Join the episode to learn how Chuck and Mani get into a regular flow state with their work and consistently deliver at work. 

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Jesse Spevack currently works at Stripe and specializes in Ruby on Rails. He talks about his success story of shifting careers from being an Educator to a Software Engineer. Jesse returns to show to share his humble beginnings when he started out his first job in the Tech world. 
About this Episode

• Changing Careers
• Experience working in Stripe
• Transitioning from working in an office to working remotely 
• "Hello Turing World Podcast"

Sponsors

• Chuck's Resume Template
• Developer Book Club starting with Clean Architecture by Robert C. Martin
• Become a Top 1% Dev with a Top End Devs Membership

Links

• Turing School
• Todo Or Die – Write TODOs in code that ensure you actually do them
• Hello Turing World Podcast
• TRICKS Contest
• Written Meanderings
• GitHub: jesse-spevack
• Twitter: @PlanetEfficacy

Picks

• Jesse - The Dream Machine
• Valentino- The Cyclic Nature Of In-House Tooling

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Masafumi Okura is a freelance software developer focusing on Ruby on Rails. He joined RubyKaigi 2022 as a helper staff and the chief organizer at Kaigi on Rails 2022 which took place last October. He joins the Rogues to share his experiences and some pointers on arranging a successful Conference amidst the pandemic. 
Topics discussed

• How Technology took part in creating a virtual event
• Recruiting and Inviting speakers for the conference
• Approaches used to make the process smooth and hassle-free for the speakers joining the event
• Obstacles experienced in organizing the event and how to overcome each one. 
  
  

Sponsors

• Chuck's Resume Template
• Developer Book Club starting with Clean Architecture by Robert C. Martin
• Become a Top 1% Dev with a Top End Devs Membership

Links

• mrubykaigi 2022
• SpatialChat
• Fukuoka.rb
• ruby-jp.slack.com
• okuramasafumi/gem_to_mgem
• GitHub - okuramasafumi/reversible
• GitHub - okuramasafumi/rspec-current.vim
• GitHub: okuramasafumi

Picks

• Charles  - Irish Gauge 
• Charles - Ruby Remote Conference
• Charles - I Don't Want to Kill You 
• John - GitHub - rootstrap/yaaf
• John - Leather Coasters
• Masafumi -  Fukuoka mruby Kaigi 2022 EN
• Masafumi - GitHub - okuramasafumi/rspec-current.vim
• Valentino -  LunarVim

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In this all-panelist episode, Chuck, Dave, and Valentino give insights on how to choose your career path, how to kickstart your career, how to take control, and how to advance in your profession. They also share their experiences and some advice on what qualities you should possess in order to become successful
Sponsors

• Top End Devs
• Coaching | Top End Devs

Picks

• Charles - Irish Gauge | Board Game - BoardGameGeek
• Charles - I Am Not a Serial Killer
• Dave - Drifting Ruby: Modern Ruby on Rails Screencasts for Web
• Valentino - Codewars | Discord
• Valentino - The reverse job board for Rails developers

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Privacy & Opt-Out: https://redcircle.com/privacy

Become a supporter of this podcast: https://www.spreaker.com/podcast/ruby-rogues--6102073/support.