When you tell rbenv to install a Ruby it does not know about, you will get an error message.
EdgeRider 0.3.0 adds support for Rails 4.1 and Ruby 2.1. It forward-ports ActiveRecord::Base.scoped to Rails 4.1.
RSpec 3.0 deprecates the :should way of writing specs for expecting things to happen. However, if you have tests you...
When you have a string containing umlauts which don't behave as expected (are not matched with a regexp, can...
Warnings like those below may originate from rspec or shoulda-matchers or other gems that have not updated yet to...
So you want your Ruby script to install missing gems instead of dying? Take this method: def installing_missing_gems...
If you parse this Yaml ... yes: 'Totally' no: 'Nope' ... you get this Ruby hash: { true: 'Totally', false: 'Nope' }
You are probably using Ruby 1.8.7 with a too recent versions of Rubygems. Downgrade your Rubygems to the latest version...
There are 3 built-in file descriptors: stdin, stdout and stderr (std=standard). (You can define your own, see the...
Create, or edit your ~/.irbrc file to include: require 'irb/ext/eval_history' # was 'irb/ext/save-history' for versions prior to Ruby 3.3 IRB.conf[:SAVE...
config.action_controller.action_on_unpermitted_parameters enables logging or raising an exception if parameters that are not explicitly permitted are...
quiet_assets helps with disabling asset pipeline log messages in the development log. When the gem is added, asset pipeline...
Spring is a Rails application preloader. When debugging e.g. the rails gem, you'll be wondering why your raise, puts...
Programatically invoke Rails generators Require the generator, instantiate it and invoke it (because generators are Thor::Groups, you need...
docopt helps you define interface for your command-line app, and automatically generate parser for it. docopt is based on...
Rubygems can produce lots of deprecation warnings, but sometimes, you cannot fix them. To have a tidy terminal with output...
If you want to label things with a color but don't actually care which cholor, you can use the...
better_errors is an awesome gem for enhanced error pages in development, featuring a live-REPL for some light debugging...
If you want to do JavaScript-style camelization, ActiveSupport's String#camelize method can actually help you out. Simply pass...
When using TextMate2 with the cucumber bundle, it does not recognize step definitions (e.g. custom_steps.rb) as such but believes they...
Splitting a long method into sub methods is easier in instances since it is in classes. Since...
We now have a gem that supports our form model approach.
Ruby’s model for concurrency is based on threads. It was typical approach for object oriented languages, designed in the...
Batman is an alternative Javascript MVC with a similar flavor as AngularJS, but a lot less features and geared towards...