Top "Rubygems" questions

RubyGems is a package management tool for the Ruby programming language.

What does tilde-greater-than (~>) mean in Ruby gem dependencies?

What does ~> mean in the context of Ruby gem depenedencies? For example, when opening a legacy project in the …

ruby rubygems
How to use ActiveAdmin on models using has_many through association?

I am using ActiveAdmin gem in my project. I have 2 models using has_many through association. The database schema looks …

ruby-on-rails ruby-on-rails-3 rubygems associations activeadmin
Using --no-rdoc and --no-ri with bundler

When using gem install gem_name I can pass --no-rdoc and --no-ri switches to skip generating RDoc/RI documentation for …

ruby-on-rails ruby rubygems gem bundler
Errors Installing mysql2 gem via the Bundler

I am trying to install the mysql2 gem via the Bundler, but it keeps dying with the following error: ** executing …

mysql ruby-on-rails ruby rubygems bundler
Unable to require openssl, install OpenSSL and rebuild ruby (preferred) or use non-HTTPS sources

I'm attempting to install jekyll and I've encountered an error. I'm running Mac OS X 10.11.4 (El Capitan). $gem install jekyll …

macos rubygems rvm
`gem install therubyracer` fails on Mac OS X Lion

I would appreciate some help in getting gem install therubyracer to work. Here is the error: $ gem install therubyracer Building …

ruby rubygems v8
Invalid date format specification in gemspec

I am getting the following error when I try to use gems in windows, and I also referred to this …

ruby-on-rails rubygems
Bundler: can't find gem bundler (>= 0.a) with executable bundle (Gem::GemNotFoundException) during bundle install with gem

I'm executing the following script: gem install rdoc --no-document gem install bundle bundle output: + gem install rdoc --no-document Successfully installed …

ruby-on-rails ruby rubygems bundle bundler
What's the difference between GEM_HOME and GEM_PATH?

RubyGems is a package manager for the Ruby programming language that provides a standard format for distributing Ruby programs and …

ruby rubygems
Manually Retry Job in Delayed_job

Delayed::Job's auto-retry feature is great, but there's a job that I want to manually retry now. Is there a …

ruby-on-rails ruby rubygems delayed-job