Sickill.net - Colorizing console output with Rainbow ruby gem
If you’re working on some cool ruby console-based application or just want to add a little style to your script here is a nice gem for you. It’s called Rainbow and it extends ruby String class adding methods to wrap the string with ANSI escape codes.
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Freeze (vendor, unpack) a single Ruby gem with and without Bundler
When you need to patch an existing gem, one way is to "vendor" the gem by copying it into the vendor/gems directory of your Rails project. You can then make any changes you require and Rails will use the vendored version of the gem after a serve...
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...
Ruby: Using the pry debugger in projects with older Ruby versions
In case you want to use pry with an older version of Ruby, you can try the following configurations.
Ruby 1.8.7
Your pry version must not be greater than 0.9.10.
gem 'pry', '=0.9.10'
gem 'ruby-debug',...
Migrate gem tests from Travis CI to Github Actions with gemika
We currently test most of our gems on Travis CI, but want to migrate those tests to Github Actions. This is a step-by-step guide on how to do this.
Note that this guide requires the gem to use gemika.
- Go...
Never write a Cucumber step definition again with Cucumber Factory - Gem Session: gem
I love Cucumber, but I hate writing step definitions. They are ugly, awkward to write and very, very boring: Most step defintions merely create objects for a scenario to chew on.
Double loading issue with Ruby default gems
Ruby includes many standard gems that are bundled into the Ruby installation. Here is an example for the gem strscan that will be displayed as default:
gem list strscan
*** LOCAL GEMS ***
strscan (default: 3...
Release gem; Deploy gem; Update a gem created with Jeweler
Until May 2011 our gems have been created with Jeweler, which is a helper library to package code into a gem. You know a gem was cut with Jeweler if you see the word jeweler in a gem project's Rakefile.
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"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...
Fix [RubyODBC]Cannot allocate SQLHENV when connecting to MSSQL 2005 with Ruby 1.8.7. on Ubuntu 10.10
I followed this nice guide Connecting to MSSQL with Ruby on Ubuntu - lambie.org until I ran in the following errors:
irb(main):001:0> require "dbi"; ...
Bundler: Gemfile.lock is corrupt & gems are missing from the DEPENDENCIES section
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Your Gemfile.lock is corrupt. The following gems are missing from the DEPENDENCIES section: 'archive-tar-minitar' 'hoe' 'rcov'
This happens when you ar...