#382: Upgrading a Rails App Incrementally

This week's Ruby and Rails news Read this e-mail on the Web Ruby Weekly Issue 382 — January 18, 2018 Jesus Castello Tracking Object Allocation in Ruby A few gems to use to track allocations along with their impact on common programming scenarios. When are objects allocated, and why? Scout Blog Distributed Tracing in Ruby with OpenTracing How to add distributed tracing to your Sinatra webapps with OpenTracing, a vendor-neutral tracing API, and Jaeger, a distributed tracing system. Luke Francl Upgrading a Rails Application Incrementally It’s unlikely that you’ll be able to catch all upgrade issues outside of production, so a procedure like this is a great way to go. Linode Cloud Hosting  Sponsored Linux Cloud Hosting Starting at 1GB of RAM for $5/mo Get a Linode server up and running in seconds. Simply choose your plan, distro and location and you’re ready to deploy your server. Get $20 credit on a new account. Cooperpress WebOps Weekly: Our Newsletter for Sysadmins and Ops Folks Involved in picking stacks, deploying code, or dealing with servers in any way? Web Operations Weekly is our Ruby Weekly-esque newsletter for you. See the latest issue for a taste of what we cover, including a fun read on storing files in other people’s DNS caches. Ryan Davis et al. Hoe Dev's Guide: Build, Package and Publish Gems with Rake Tasks Hoe fills in many automation gaps using Rake tasks to make development more efficient. Thoughtbot Why Use Factories In Your Tests? What problem do they solve and why are they needed? Jobs Gusto Is Hiring Great Rails Engineers (SF or Denver)Join us to help thousands of small businesses run payroll and offer health benefits, letting them focus on what they do best. Gusto Sr. Ruby Platform Engineer @ Netflix (CA)Ever wondered how Netflix picked up Stranger Things or Narcos? Join the team that builds the technologies used by our content buyers. Netflix Looking For A New Job In The New Year?Try Underdog.io, where hundreds of the best tech companies go to meet top ruby engineers. Companies email you directly as soon as next Monday. Underdog.io In brief Paris.rb Conf 2018 (June 28-29 in Paris, France) news Some great speakers lined up already but you can propose your own talk too.  Is 2018 the Year to Finally Get Your Rails App Up-To-Date?    Depfu  Sponsored How Do Ruby and Python Profilers Work? tutorial  Julia Evans Field-level Rails Cache Invalidation: A DSL Solution tutorial  Orban Botond Comparing Timestamps in Rails tutorial Use ActiveSupport extensions to make working with times and dates easier in Rails.  Chris Kottom Limit Memory Usage, Fix R14 Errors, and Save Money on Heroku tutorial Solid tips on reducing the memory footprint of your Rails app on startup and in production.  Paweł Urbanek Event-Driven Microservices with RabbitMQ and Ruby tutorial How to use RabbitMQ to support an event-sourced architecture with MongoDB.  Daniel Battaglia The Command Pattern in Ruby tutorial  Sihui Huang Tip: Do Not Run Rails with Pending Migrations (and How) tutorial  Josef Strzibny Rails 5.2 Allows Mailers to Use Custom Active Job Classes tutorial  Prathamesh Sonpatki The Ruby 2.5.0 Feature Nobody Talks About tutorial It’s ‘branch coverage’ and I can say I honestly wasn’t talking about it.  Alessandro Rodi Ruby 2.5 Allows Creating Structs with Keyword Arguments tutorial  Prathamesh Sonpatki A Simple Introduction to Content Security Policy for Rails tutorial In the light of recent vulnerabilities, this is something we should all know.  Chase Gilliam Mixins in Python and Ruby Compared tutorial A detailed look at mixins in both languages with lots of code.  Andrew Brookins (Another Roundup of) Ruby 2.5's New Features tutorial  Christopher Rigor Creating Lightweight Tests for an NGINX API Gateway with Ruby tutorial  Mateusz Korszun Jenkins VS GoCD opinion We compared GoCD with Jenkins on philosophy, continuous delivery & plugins. Understand how these CI/CD tools fit your needs.  GoCD  Sponsored Things I Wish ActiveRecord Had After Using Elixir's 'Ecto' opinion  Vladimir Rosančić Redmine Security Scanner tools If you use the Rails-based issue tracking tool, this tool runs checks to make sure you’re not vulnerable.  Planio Slow CI Build? Make It Run in 2 Minutes or Less with Boosters tools  Semaphore  Sponsored Lurn: A Ruby Gem for Machine Learning code  Dan Carpenter 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