Use Bundler From the command line: bundle gem your_new_gem This will create a directory called your_new_gem with just a basic set of files and directory structure that are now considered best-practice. It’s quick, easy, and a great place to start.
In my case, I solved doing just what the error message suggests: Your user account isn’t allowed to install to the system RubyGems. You can cancel this installation and run: bundle install –path vendor/bundle to install the gems into ./vendor/bundle/ So, instead of: bundle install I ran: bundle install –path vendor/bundle That was the solution … Read more
The message you’re getting is a clear indication that you lack something for the correct installation of that gem: Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. There is no Windows native version of latest release … Read more
EDIT 30/09/2014 When this answer was posted the 64 bit rails installer wasn’t the recommended version – it now seems people are starting to use it more. It should be noted when you download the MySQL Connector you need to download either 64 or 32bit to correspond to the version of rails you installed. Amazingly … Read more
If you are using Ubuntu try to install following lib file sudo apt-get install libpq-dev and then gem install pg worked for me.
I’m using Devise 3.1.2, it has a placeholder method after_confirmation which is called after the confirmation finished successfully. We just need to override this method in User model. class User < ActiveRecord::Base devise :database_authenticatable, :registerable, :recoverable, :rememberable, :trackable, :validatable, :confirmable # Override Devise::Confirmable#after_confirmation def after_confirmation # Do something… end end See: Devise 3.5.9 Source Code: … Read more
It seems that it cannot find the MySQL library. Have you installed MySQL? Try installing it via homebrew: brew install mysql or install it via macports or fink or whatever you prefer. Then try again with: gem install mysql2
Check out pry-nav, it gives you methods like next and step, which should be what you’re looking for. If you’re in regular old Pry you can use exit to go to the next binding.pry or disable-pry to exit Pry entirely.
Use chown on the whole .rvm and .gem directories back to your user. You probably used sudo before and it screwed up permissions. sudo chown -R username:group ~/.rvm sudo chown -R username:group ~/.gem Of course, change username to your username and group to your group
Gems are installed on the system level while plugins are installed on the application level. That means if two or more apps are running on the same server, they can share gems, but each will have its own plugins. For now I’ll suggest one to use gems, as they are easier to maintain as applications … Read more