Jeff Kreeftmeijer

• Oct 2018 Hot code reloading in Elixir on Elixir Alchemy
• Sep 2018 How OTP applications are structured on Elixir Alchemy
• Sep 2018 Closures in Ruby: Blocks, procs and lambdas on Ruby Magic
• Jul 2018 “Slurping” and streaming files in Ruby on Ruby Magic
• Jun 2018 Deconstructing GenServers on Elixir Alchemy
• May 2018 Ruby's magical Enumerable module on Ruby Magic
• Oct 2017 Find, convert and replace dates with Vim substitutions
• Sep 2017 Keeping open source software projects maintainable
• Aug 2017 Property-based testing in Elixir using PropEr
• May 2017 Demystifying processes in Elixir on Elixir Alchemy
• Jan 2017 Building a Ruby HTTP server: Running Rails apps on Ruby Magic
• Nov 2016 Building a 30-line HTTP server in Ruby on Ruby Magic
• Oct 2015 “git is not a git command”
• Sep 2014 Checking if an ActiveRecord model instance was destroyed
• Sep 2014 Using Rails test fixtures with CarrierWave
• Apr 2013 On the death of ifs
• Jun 2012 Preloading dependencies for faster test suite start-up times
• Jan 2012 Vim’s absolute, relative and hybrid line numbers
• Nov 2011 Method chaining and lazy evaluation in Ruby
• Oct 2011 MicroGems: five minute RubyGems
• Jul 2011 The pain of JSON API testing
• Apr 2011 Comparing images and creating image diffs in Ruby
• Nov 2010 Fuubar: the instafailing RSpec progress bar formatter
• Nov 2010 Stop RSpec on the first failure with the --fail-fast command line option
• Oct 2010 Git rebase: reapply your changes onto another branch
• Aug 2010 Using git-flow to automate your git branching workflow