Ruby on Rails » Keeping Up With The Joneses: Keeping Rails and its extensions up to date » Pathfinder Development
There are many wonderful things about Rails and the Rails ecosystem. A clean, well-lighted path for keeping all your extensions up to date is not one of them.
Related cards:
How to speed up JSON rendering with Rails
I was recently asked to optimize the response time of a notoriously slow JSON API endpoint that was backed by a Rails application.
While every existing app will have different performance bottlenecks and optimizing them is a rabbit hole of arbitra...
Building and Scaling a Startup on Rails: 12 Things We Learned the Hard Way - Axon Flux - A Ruby on Rails Blog
There are a bunch of basic functional elements to building out a popular Rails app that I've never really seen explained in one place, but we had to learn the hard way while building Posterous.
"cannot load such file -- nokogiri/nokogiri" (or any other Gem with native extensions on rvm and Ruby >= 2)
After running bundler / gem install I could not load nokogiri lately. It died with cannot load such file -- nokogiri/nokogiri.
This is not a problem of the gem but is due to a broken native extensions installation routine.
When installing nokog...
Rails: Example on how to extract domain independent code from the `app/models` folder to the `lib/` folder
This cards describes an example with a Github Client on how to keep your Rails application more maintainable by extracting domain independent code from the app/models folder to the lib/ folder. The approach is applicable to arbitrary scenarios...
Using PostgreSQL and jsonb with Ruby on Rails
Postgres 9.4 introduces a new column type: jsonb. json and jsonb columns store data differently, so just compare the two when you want to store JSON data and choose the one that matches your use case best.
Rails 4.2 includes support for `js...
Ruby, Ruby on Rails, and _why: The disappearance of one of the world’s most beloved computer programmers
Nice article to educate your non-geek girlfriend/boyfriend about the joys of programming.
How to set up database_cleaner for Rails with Cucumber and RSpec
Add gem 'database_cleaner' to your Gemfile. Then:
Cucumber & Rails 3+
# features/support/database_cleaner.rb
DatabaseCleaner.clean_with(:deletion) # clean once, now
DatabaseCleaner.strategy = :transaction
Cucumber::Rails::Database.java...
Security issues with hash conditions in Rails 2 and Rails 3
Find conditions for scopes can be given either as an array (:conditions => ['state = ?', 'draft']) or a hash (:conditions => { 'state' => 'draft' }). The later is nicer to read, but has horrible security implications in some versions of Ru...
How to make changes to a Ruby gem (as a Rails developer)
At makandra, we've built a few gems over the years. Some of these are quite popular: spreewald (> 1M downloads), active_type (> 1M downloads), and geordi (> 200k downloads)
Developing a Ruby gem is different from developing Rails applications, w...
Tracking Down Slow-Running Examples in RSpec » Idol Hands: An Alpha Geek Guide to Ruby on Rails, DIY, and More
Passing the --profile flag to RSpec produces some additional output, namely the running times of the ten slowest examples in your specs.