1. HyperLogLogs in Redis

  2. Fundamentals of Test-Driven Development, Now on Upcase

  3. thoughtbot Ruby Open Source is Ready for Rails 5

  4. How To Reduce a Large Heroku Slug Size

  5. Your Program is a Special and Unique Snowflake

  6. Action Mailer and Active Job sitting in a tree...

  7. My issues with Let

  8. Paperclip IS vulnerable to ImageTragick

  9. ImageMagick vulnerability does not affect Paperclip

  10. Blocks, Procs, and Enumerable

  11. Maybe Thinking

  12. Recover Data from Production Backups with ActiveRecord

  13. Rebuilding Git in Ruby

  14. Executing Elevated Commands in Your Current Environment

  15. Building a Ping Pong Scoreboard

  16. Brace Yourselves, Rails Upgrade is Coming

  17. A Client Project, Two Years Later

  18. Announcing Administrate

  19. But I Don't Want to `bundle exec`

  20. Ruby's ARGF

  21. Validating the FormKeep API

  22. Let's Build a Sinatra

  23. Don't Inline-Rescue in Ruby

  24. Testing SMS Interactions

  25. It's About Time (Zones)

  26. A Case Study in Multiple Time Zones

  27. Faking APIs in Development and Staging

  28. Migrating FormKeep to ember-cli-rails

  29. Paperclip Security Release

  30. Test Incoming Webhook Requests with Faraday

  31. Functional Ciphers in Ruby

  32. A Closer Look at Test Spies

  33. Creating A Remote Development Machine

  34. Shoulda Matchers 2.8.0

  35. Testing and Environment Variables

  36. Lazy Refactoring

  37. Back to Basics: Anonymous Functions and Closures

  38. Refactoring From Model to View Helper to Null Object

  39. Hound Reviews JavaScript For Style Violations

  40. IO in Ruby

  41. Prefer Objects as Method Parameters, Not Class Names

  42. Validating JSON Schemas with an RSpec Matcher

  43. Back to Basics: SOLID

  44. Acceptance Tests at a Single Level of Abstraction

  45. DNS to CDN to Origin

  46. Meditations on a Class Method

  47. Ruby 2 Keyword Arguments

  48. Laptop Setup for an Awesome Development Environment

  49. How Rails' Type Casting Works

  50. Writing a Domain-Specific Language in Ruby