Ruby Weekly Issue 355: June 29, 2017

Ruby Weekly

Issue 355 — June 29, 2017

RailsCasts

All RailsCasts Episodes Now Freely Available

Ryan Bates returns, offering all Pro and Revised RailsCasts episodes for free going forward.

Christoph Lupprich

Single File Rails Applications

It’s possible to create a Rails app from a single file, including migrations, MVC resources, and tests.

Richard Schneeman

How to Write a Lock-Free Queue

Following up on a previous post about building a queue mechanism, this post examines atomicity and lock-free code in Ruby.

Redisgreen Sponsored

Highly available, scalable Redis

See inside your database with large key detection, memory mapping, auto-scaling and more from RedisGreen

Luke Francl

Build A Query Parser Using Ruby, Parslet, and Elasticsearch

A post on building a grammar and parse tree, complete with heuristics on top of Elasticsearch.

Leigh Halliday

Server Rendering React on Rails

The art of doing server rendering for React components inside of Rails.

Starr Horne

Replacing a Complex Regular Expression with a Simple Parser

When reg expressions become complex it may be a good idea to write a parser for your use case.

Jobs

Staff Full Stack Engineer in NYC (RoR + AngularJS)We’re a team of guitarists, surfers, cyclists, foodies, gamers, yogis, golfers… who together, are reshaping an industry. Join the fun. VTS
Learning Platform Developer (Full stack, based in NYC)Join the core team for Big Think Edge, a disruptive content and analytics platform for organizational innovation and learning. Big Think

In brief

Rails 5.1.2 Released news
And also 4.2.9.
Official Rails Blog
How to troubleshoot Ruby apps tutorial
Identify bottlenecks with end-to-end tracing. Correlate with 200+ technologies and alert on issues in real time.
Datadog Sponsored
A Rails 5.1 Deployment Checklist for Heroku tutorial
Fabio Akita
Finding Readability of Text Using Odyssey tutorial
A gem that can analyze the readability of text based on multiple well-known statistical test methods.
RedPanthers
Working with Facebook Using Devise, Omniauth, Koala + Rails 5 tutorial
Ana Gonçalves
Tips for Using FactoryGirl Without an ORM tutorial
If you like FactoryGirl but aren’t using ActiveRecord, this post has done all the hard work for you.
Thoughtbot
Building & Deploying Ruby Docker Images with CircleCI & Heroku tutorial
BackerKit
An ActiveRecord after_commit Callback Gotcha tutorial
If you’re going to use callbacks, you should know about this.
Greg Fisher
Common Table Expressions in ActiveRecord: A Case Study of Quantiles tutorial
Sonny Michaud
6 Things I Learnt Today From Reading the Code of Popular Gems tutorial
Arkency Blog
The 3 Tenets of Service Objects tutorial
Services should have a single responsibility, a limited interface, and return meaningful values.
Rob Race
3 Hidden Costs of Metaprogramming tutorial
Black Bytes
The Long Road from Capistrano to Kubernetes [PDF] tutorial
Slides charting the ways of deploying Rails over the last decade.
PhraseApp
Using Docker and Codeship for Ruby Development
In this eBook you'll learn how to develop and test a Ruby app with Docker Compose and to create a CI/CD pipeline using Codeship.
Codeship Sponsored
Quick Tip: How to Shorten Your IRB Prompt video
Stefan Wintermeyer‏
11 Proposed Small Improvements For Ruby opinion
The list includes replacing net/http and a JSON-esque ‘Ruby Object Notation’.
Tomasz Wegrzanowski
Rufo: A Fast Ruby Code Formatter tools
Follows this Ruby Style Guide and has some basic configuration options.
Ary Borenszweig
HexaPDF 0.5.0, Now With Advanced Text Layout Support code
Powerful PDF creation from Ruby.
Dexter: An Automatic Indexer for Postgres code
Analyzes queries, creates indexes.
Andrew Kane
Catch Errors Before Your Users Do 💻
ROLLBAR Sponsored