gem looks for a configuration file .gemrc in your home directory, although you can specify another file on the command-line if you wish (with the –config-file modifier). There are three things you can specify in the configuration file: command-line arguments to be used every time gem runs command-line options for ’’RDoc’’ (used when generating documentation) … Read more
if you are using macOS, How about using homebrew than gem? I had exactly same problem, so I tried to install it using homebrew brew install cocoapods My problem was clearly resolved!
Homebrew is nice. However unlike brew and npm, gem does not make aliases in /usr/local/bin automatically. Solution I went for a very simple approach (as of March 2020): # Based on “`brew –prefix ruby`/bin” export PATH=/usr/local/opt/ruby/bin:$PATH # Based on “`gem environment gemdir`/bin” export PATH=/usr/local/lib/ruby/gems/3.0.0/bin:$PATH Add this to your .bashrc (or .bash_profile, .zshrc, etc.). That’s it! … Read more
It seems that running bundle exec rake -t will work. Per bundler.io http://bundler.io/man/bundle-exec.1.html I suggest adding bundle exec to ensure that we are using the Gem specified in the current context. Also see this SO post. What does bundle exec rake mean?
You should be able to simply require it directly in recent versions of Ruby. # optional, also allows you to specify version gem ‘chronic’, ‘~>0.6’ # just require and use it require ‘chronic’ puts Chronic::VERSION # yields “0.6.7” for me If you are still on Ruby 1.8 (which does not require RubyGems by default), you … Read more
That’s precisely the problem I had. After searching around for a while I found a solution that works using Bundler https://bundler.io/ Getting Gem with Dependencies: Create a new Folder with a File named Gemfile. Write a Source and the Gem you want to have the dependencies for into the File Example: source “http://rubygems.org” gem ‘rails’, … Read more
Using bundler instead of gem command to directly install your gems gives you a whole lot of benefits. In this specific case where you suggest using the gem command to install and adding it later to the Gemfile, bundler will resolve all the dependencies for you when you install a gem, which you might have … Read more
Here’s how I’m using ActiveRecord outside of Rails: #!/usr/bin/ruby require ‘active_record’ require ‘mysql2’ # or ‘pg’ or ‘sqlite3’ ActiveRecord::Base.establish_connection( adapter: ‘mysql2’, # or ‘postgresql’ or ‘sqlite3’ database: ‘DB_NAME’, username: ‘DB_USER’, password: ‘DB_PASS’, host: ‘localhost’ ) # Note that the corresponding table is ‘orders’ class Order < ActiveRecord::Base end Order.all.each do |o| puts “o: #{o.inspect}” end
EventMachine 0.12.10 is known to not work under Ruby 1.9.2 on Windows. Please try latest 1.x pre-release versions: gem install eventmachine –pre If you’re using with Thin, latest version of Thin works with it properly. This has been discussed on RubyInstaller group several times.
It’s done with the gem command, see here gem owner my_gem -a [email protected]