Ruby - Giant Robots Smashing Into Other Giant Robots

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HyperLogLogs in Redis

Learn what a HyperLogLog is and how you can use it to count billions of unique things.
Calle Erlandsson
August 1, 2016
- Redis
- Web
- Ruby
Fundamentals of Test-Driven Development, Now on Upcase

Learn how to use Test-Driven Development to write better software in our newest Upcase trail.
Chris Toomey and Geoff Harcourt
July 19, 2016
- News
- Testing
- Ruby
- Upcase
thoughtbot Ruby Open Source is Ready for Rails 5

Upgrade all the things!
Tute Costa
July 1, 2016
- Open Source
- Ruby
- Rails
- Paperclip
- Clearance
- Suspenders
- Scenic
- Web
How To Reduce a Large Heroku Slug Size

How to fix the “Compiled slug size: 500.6M is too large (max is 500M)” error when trying to deploy your Heroku app.
Dan Croak
June 13, 2016
- Heroku
- Ruby
- Web
Your Program is a Special and Unique Snowflake

Simplify and clarify your code by carefully choosing abstractions.
Joe Ferris
May 26, 2016
- Good Code
- Ruby
Action Mailer and Active Job sitting in a tree...

Getting started with Action Mailer and Active Job.
Elle Meredith
May 25, 2016
- Ruby
- Rails
- Web
My issues with Let

let can lead to bloat. Be careful.
Jason Draper
May 20, 2016
- Testing
- Ruby
- Good Code
- Web
Paperclip IS vulnerable to ImageTragick

Paperclip is affected by CVE-2016–3714 if used with ImageMagick 7.0.1-0 or earlier.
Tute Costa
May 6, 2016
- Security
- Open Source
- Paperclip
- Ruby
ImageMagick vulnerability does not affect Paperclip

There is no need to upgrade Paperclip in light of CVE-2016–3714. You may choose to upgrade ImageMagick regardless.
Tute Costa
May 4, 2016
- Security
- Open Source
- Paperclip
- Ruby
Blocks, Procs, and Enumerable

A look under the hood at how blocks and procs are used in Ruby.
Joël Quenneville
April 25, 2016
- Ruby
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