Issues » 277

This week's Ruby and Rails news
Read this e-mail on the Web
Ruby Weekly
Issue 277 — December 17, 2015
Jamis Buck
Jamis Buck cleverly bends Ruby to his will yet again (remember dynamic def?) - this time using Proc#parameters to implement a clever way to access data in a hash.


Ruby News
We’ve covered 2.3’s features a few times already, but new this time are RubyVM::InstructionSequence methods (#to_binary and .load_from_binary) for exporting and importing Ruby bytecode, as well as Enumerator::Lazy#grep_v and using unary - and + on String to return frozen and modifiable strings respectively.


Richard Schneeman
Richard Schneeman continues his series by demonstrating how to generate a heap dump from an app running on Heroku and analyze the results.


Corgibytes  Sponsored
Tackling technical debt and integrating disparate systems is fun, too. (Yes, really.)

Corgibytes

Robert Pankowecki
A look at the practice of making fake adapters to third party services to enable more robust testing of the main app.


Ruby News
Includes a security fix for Fiddle (the libffi wrapper) and DL, plus some minor bug fixes. Ruby 2.1.8 and 2.0.0-p648 have also been released to fix the vulnerability.


InfoWorld
The OMR project makes pieces of IBM’s J9 JVM available to other language runtimes. A technical explanation and some bits to play with are available here.


Mike Perham
The creator of Sidekiq knows a thing or two about threaded code and shares some tips on how to test multithreaded code here.


Jobs

  • Principal RoR Engineer in Austin, TexasWe are working on a SaaS platform in Rails, Angular.js, CoffeeScript and Postgres. Join a well backed ground floor opportunity and help design and develop the product. Scout RFP
  • Get Multiple Job Offers Without ApplyingThrough Hired, companies find you - and offer salary and other benefits upfront. Stop applying for jobs and let jobs apply for you. Hired.com

In brief

Curated by Peter Cooper and published by Cooper Press.
Send feedback by simply replying to this mail.
Want to sponsor an issue? See our media kit.
Want to post a job? E-mail us or use our self-serve system.

Unsubscribe : Change email address : Read this issue on the Web

© Cooper Press Ltd. Office 30, Lincoln Way, Louth, LN11 0LS, UK
Email policy Privacy policy

ONE e-mail each Thursday. Easy to unsubscribe. No spam — your e-mail address is safe
Published by Cooper Press and curated by Peter Cooper