Ruby Weekly
Issue 273 — November 19, 2015
Mike Perham
Sidekiq is a popular, high performance, Redis-based job processor commonly used by Ruby apps. 4.0 is a major optimization release with throughput significantly improved over 3.5.1.


John Backus
Preview 1 of MRI Ruby 2.3.0 came out last week and here are quick examples of several new features including: Enumerable#grep_v, Array#dig, Hash#dig, and Numeric#positive? For more of this, including a benchmark of the new frozen strings feature, here's another run-through.


Starr Horne
“Did you know that it’s possible to log all method calls as they occur in a running process in real time? How about injecting code to be executed inside of a running process? You can – via the magic of rbtrace.”


Codeship  Sponsored
Check out the new Codeship with native Docker support. Work with your established Docker workflows while automating your testing and deployment tasks with our hosted platform dedicated to speed and security. Request a free trial now.

Codeship

A Year of Commits
A quick look at nested queries, scopes, where.not, first and take, and unscoped.


Georgi Mitrev
A look at the way the new operator works and some aspects to its operation you need to be aware of.


Piotr Okoński
A look at AccessGranted, a new multi-role, whitelist based authorization gem for Rails, written by a developer unhappy with CanCan.


Jamis Buck
A simple demonstration of refactoring from using a case statement to a hash table. This is perhaps my own most common refactoring.


Jobs

In brief