#368: Visualizing Your Ruby Heap

This week's Ruby and Rails news Read this e-mail on the Web Ruby Weekly Issue 368 — September 28, 2017 Aaron Patterson Visualizing Your Ruby Heap Core team member Aaron ‘tenderlove’ Patterson digs into what it takes to write a program for visualizing Ruby heap dumps. YouTube 50+ Videos from RubyKaigi 2017 A truly rich array of sessions (in both English and Japanese) from Ruby’s ‘home’ conference. How about a talk on Bundler 2.0? Or an update on JRuby? Or Hanami? Michał Łomnicki Ruby 2.5's Object#yield_self Method Makes it possible to chain operations in a different way to usual. OpsCare by reinteractive  Sponsored We've solved the problems of traditional Ops Our out-source DevOps solves the problems associated with ROR development. Plus our blue/green pre-baked deployment process means that you can deploy your app as often as you want. Get started today – start enjoying OpsCare. Richard Schneeman A Gaijin Guide to RubyKaigi A look at what it’s like to be non-Japanese and attend Ruby’s home conference, RubyKaigi. Richard also wrote some notes on the first day of talks. Mike Wenger Debugging Why Your Specs Have Slowed Down You won’t be surprised to know the database is often part of the problem. Noah Gibbs OptCarrot: An Excellent CPU Benchmark for Ruby 3x3? OptCarrot is a headless NES hardware emulator used to benchmark CPU performance. Practical Artificial Intelligence Using Python's scikit-learn Machine Learning Library via PyCall Python has more ML libraries than most languages and PyCall allows you to use them from Ruby. Jobs Senior Backend Engineer @ Capcom Beeline (Vancouver, Los Angeles)Become a core member of our team. We are crafting the next-generation eSports platform for mobile games. Capcom Beeline Full stack Ruby and Rails dev (Remote in EU)We’re a realtime platform solving complex distributed problems for the developer community. If you enjoy building web services, apply. Ably realtime Ruby on Rails Full Stack Engineer (California, USA)The Apple Media Products Engineering team is looking for a software engineer to build and enhance algorithmic quality evaluation tools. Apple Can't find the right job? Want companies to apply to you? Try Hired.com. In brief Rails 4.2.10 Released news Yes, it’s an old release line but some recent regressions warranted an update.  Official Rails Blog Forking Behavior Changed in macOS 10.13, Causing Failures news Puma, Unicorn, and Sidekiq are affected.  Puma $20 Free on a new Linode account  Linux cloud hosting starting at 1GB of RAM for $5/mo. Use promo code RUBY20 and get $20 credit.  Linode Cloud Hosting  Sponsored Strange Hash Instances in Ruby tutorial Going to some interesting places with Hash and monkey-patching.  Kate Murphy Object#try Considered Harmful tutorial Why using Object#try is bad and several approaches to remove the problem it’s trying to solve.  Karol Galanciak Running Background Workers with Crontab tutorial  Tony Vincent How to Implement a GraphQL API in Rails tutorial  Leigh Halliday How to Build a React App that Works with a Rails 5.1 API tutorial Hrishi Mittal shows you how to build an idea board React app that works with a Ruby on Rails 5.1 API.  SitePoint All The Ways to Generate Routing Paths in Rails tutorial  Robert Pankowecki Building Something Besides a Chat App with ActionCable tutorial Specifically, an asynchronous PDF generation function with user notifications.  Jake Wilkins Get Into (Very Basic) Sentiment Analysis with Ruby tutorial  Nimmy Vipin The Road to Ruby and Rails Error Domination Starts Here  Rollbar detects when code breaks in real-time. Get stack trace and diagnostic data to defeat Ruby errors.  ROLLBAR  Sponsored Creating a Basic Gem: A 9 Minute Video video Never hurts to have an up to date guide.  Drifting Ruby Towards Ruby 3x3 Performance video  Vladimir Makarov steep: Gradual Typing for Ruby code  Soutaro Matsumoto Test and Deploy your Apps with Codeship Basic    Codeship  Sponsored Curated by Peter Cooper and Glenn Goodrich, and published by Cooperpress. Send feedback by simply replying to this mail. Want to sponsor an issue? See our media kit. Want to post a job? Email us or use our self-serve system. Unsubscribe | Change email address | Read this issue on the Web © Cooperpress Ltd. Office 30, Lincoln Way, Louth, LN11 0LS, UK Email policy Privacy policy