#358: How I Reduced My DB Server Load by 80%

This week's Ruby and Rails news Read this e-mail on the Web Ruby Weekly Issue 358 — July 20, 2017 Richard Schneeman How I Reduced My DB Server Load by 80% How one line, hidden in a common ActiveRecord validation, caused large spikes in database response time and what to do about it. Tom Van Eyck Ruby Concurrency: In Praise of Condition Variables A complete rundown of mutexes, condition variables, and how to use them together to write efficient threading code in Ruby. Simple Programmer  Sponsored Announcing: How to Earn More as a Software Developer Technical knowledge alone isn't enough—increase your income by leveling up your "soft skills." Learn new skills faster, command more respect, find work you love, and earn what you're worth. Get the book for $0.99 (48 hours only). Practical AI Implementing Classification Using a SVM in Ruby Continuing a series on AI in Ruby, how to implement a Support Vector Machine (SVM) to solve a simple classification problem. Stefan Wintermeyer Rails Web-Scale is Expensive A response to last week’s Is Ruby Too Slow for Webscale that takes issue with Rails being fast enough. Enclose.io Enclose: Compile Your App Into An Executable It essentially bundles a Ruby interpreter along with your code into an executable, so not a compiler in the classic sense. GitHub repo. Fred Heath Nim for The Discerning Rubyist Nim is a statically-typed language with lots of syntactic sugar that can be called from Ruby as shown in this post. Jobs Senior Rails Engineer at BugsnagBugsnag is used by engineers around the world to deliver higher quality software every day. Join our team and help build the future of error monitoring. Bugsnag Full stack Ruby and Rails dev (remote)We’re a growing realtime platform solving truly complex distributed problems for the developer community. If you enjoy challenging your grey matter and building great web services, apply. ABLY.IO Can't find the right job? Want companies to apply to you? Try Hired.com. In brief RubyKaigi 2017 (Sep 18-20 in Hiroshima, Japan) news Speakers announced here.  Keep Ruby Weird 2017 (October 27 in Austin, Texas) news Always a fantastic event.  Rails 5.1.3.rc1 and 5.0.5.rc1 Released news  Official Rails Blog Webinar: How to Become a Performance Driven Engineer    VividCortex  Sponsored Implementing Inheritance with Parameters tutorial Ever wondered how ActiveRecord::Migration[5.0] works? Here’s how.  Sergii Makagon When Distributed Locks Might Be Helpful in Rails tutorial  Knapsack Pro A Few Helpful RSpec Hints tutorial  Jake Yesbeck How to Safely Store API Keys in Rails Apps tutorial Pros and cons of four approaches to this issue.  Arkency Use Refinery as a Headless API-First CMS tutorial The example creates a Middleman site as the presentation client for the Refinery CMS API.  Brice Sanchez An In-Depth Look at Ruby's Exception System  Ruby's exception system is more powerful than many people realize. This book shows you how to get the most from it.  Honeybadger  Sponsored Front-End Sadness to Happiness: The React on Rails Story story  Justin Gordon Audited vs Paper Trail: The Battle for Auditing & Versioning in Rails opinion  Runtime Revolution How to Interpret a Ruby Stacktrace when Debugging video  Go Rails Creating Custom Rails Generators video  Drifting Ruby Secure your Codeship builds with BrakemanPro for Ruby on Rails tools Codeship and BrakemanPro have partnered for a more secure devops workflow.  Codeship  Sponsored inherit_gem: Share RuboCop Rules Across All of Your Repos tools  Mike Fotinakis Racecar: A Simple Framework for Writing Kafka Consumers code  Zendesk KBSecret: A Secret/Password Manager Backed by Keybase code  William Woodruff Spreadsheet Architect: Convert Ruby Objects to Spreadsheets code  Weston Ganger Twilio Releases Next-Gen Ruby Helper Library code  Twilio Blog 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