#373: Memory Conscious Programming in Ruby

This week's Ruby and Rails news Read this e-mail on the Web Ruby Weekly Issue 373 — November 2, 2017 Avdi Grimm Enough With the Service Objects Already A critique of the common advice to encapsulate business domain actions in “Service Objects”. Samuel Giddins Bundler 1.16 Released (But 2.0 Is Close) Bundler now has an improved, faster resolver and bundle install is now almost as fast as bundle check when no installation is needed. There’s also news about Bundler 2 here. Practical Artificial Intelligence Implementing OCR using a Random Forest Classifier in Ruby An example of using PyCall to leverage Python-based machine learning libraries. Semaphore  Sponsored Slow CI Build? Make It Run in 2 Minutes or Less Semaphore Boosters automatically parallelize large Ruby test suites with split-second precision. Deliver working code faster — no configuration required. Thomas Leitner Memory Conscious Programming in Ruby Knowing how much memory built-in types, structs, and objects consume in Ruby can help you design your code with memory in mind. Kevin Sylvestre Transactions in Rails and Atomic Bugs Transactions in Rails can be tricky to master as there are situations where they can go awry and fail to provide atomicity, as seen here. Samuel Giddins RubyGems 2.7.0 Released Brings the vendored Bundler up to the latest version (above), signin and signout commands added, and a wide variety of minor enhancements and bug fixes. Jobs Senior Ruby Engineer (Singapore)We’re building the world’s leading order and inventory management platform, redefining B2B commerce to make boring business software a thing of the past. TradeGecko Ruby on Rails Developer at X-Team (Remote)We help our developers keep learning and growing every day. Unleash your potential. Work from anywhere. Join X-Team. X-Team Full Stack Rails Engineer (Remote in US, Canada, Brazil)Help us make the hiring process better for 100m+ job seekers across the globe. Work on product, scalability or internal tools. Interviewed (acquired by Indeed) In brief 5 Performance Improvements in Ruby 2.5 news  Jesus Castello Database Performance Monitoring Buyer's Guide    VividCortex  Sponsored Cleanly Scaling Sidekiq tutorial How to safely drain Sidekiq workers when scaling down servers in response to job queue counts.  Honeybadger Blog The Case Against Exotic Usage of :before_validate Callbacks tutorial A good example of when ActiveRecord magic makes things less clear.  Karol Galanciak Make Your JSON API Tests Clean with a Linter tutorial Creating a Rack middleware to validate and test the request and response for a JSON API.  Arkency Blog A Useful RSpec Trick for Testing Methods with Arguments tutorial  Victor Shepelev WEBrick, Rack, and Sinatra's Responsibilities Visualized tutorial  Kelly Arwine on Twitter Testing Stripe with Rails and RSpec tutorial  Rob Race Use Simplecov in Your Rails Test Suite tutorial .. to assess the effectiveness of your testing.  Andy Croll Automated Dependency Updates for Ruby  A bot that sends nice pull requests on gem updates. Free for open source & personal GitHub accounts.  Depfu  Sponsored Splitting Strings in Ruby vs. Python story  Chris Zetter A Bug That Only Appears Once A Year story It turns out there’s one day with more than 24 hours..  Anton Paisov Uploading Files to DigitalOcean Spaces from a Rails App video  GoRails 24/7 Operations Support Built for ROR  Keep your team busy building your app, not solving ops headaches. Unlimited deploys, immediate roll-back and more.  OpsCare by reinteractive  Sponsored RequestVia: A Functional HTTP Client That Wraps Net::HTTP code  Rodrigo Serradura Rack::Session::SmartCookie: Smarter Session Cookies for Rack 2 Apps code  Mike Pastore Kaminari: A Powerful, Customizable Paginator for Ruby Webapps code  Kaminari Postwill: Post to Popular Social Media Networks from Ruby code Uses other libraries to cover Facebook, Instagram, Pinterest, Tumblr and Twitter.  Kirill Shevchenko 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. Stop getting Ruby Weekly | Change email address | Read this issue on the Web © Cooperpress Ltd, Fairfield Enterprise Centre, Louth, LN11 0LS, UK Email policy Privacy policy