rubygems

问题 I am looking for an instance method from the ruby-gmail gem that would allow me to read either: the body or subject of a Gmail message. After reviewing the documentation, found here, I couldn't find anything!? There is a .message instance method found in the Gmail::Message class section; but it only returns, for lack of a better term, email "mumbo-jumbo," for the body. My attempt: #!/usr/local/bin/ruby require 'gmail' gmail = Gmail.connect('username', 'password') emails = gmail.inbox.emails(

问题 I am looking for an instance method from the ruby-gmail gem that would allow me to read either: the body or subject of a Gmail message. After reviewing the documentation, found here, I couldn't find anything!? There is a .message instance method found in the Gmail::Message class section; but it only returns, for lack of a better term, email "mumbo-jumbo," for the body. My attempt: #!/usr/local/bin/ruby require 'gmail' gmail = Gmail.connect('username', 'password') emails = gmail.inbox.emails(

问题 I have just cloned a github repo https://github.com/maxitron93/p2pcollective.com, as i was exploring this awesome p2p lending app i encountered an error NoMethodError: undefined method `alias_method_chain' for ActiveRecord::ConnectionAdapters::PostgreSQLColumn:Class both when migrationg db or raunning server. I'm using the cloud9 ide to avoid my pc environment. Running through a couple of solution posts, i updated my gem store with device and erubis but still returned back to that 'alias

问题 I had tons of gems on my local machine which I were installed before and after RVM, so I decided to wipe them all and reinstall. Everything seemed to go ok, except bundler: gem list ..... bundler (1.1.3, 1.0.22) I don't know why 1.0.22 is still there, and I can't figure out how to get rid of it! $ gem cleanup Cleaning up installed gems... Attempting to uninstall bundler-1.0.22 Unable to uninstall bundler-1.0.22: Gem::InstallError: gem "bundler" is not installed Clean Up Complete $ gem

问题 I am failing to install bundler . I am on Ubuntu 18 and have ruby 2.5.1 installed. Here is the output of running this command. gem install bundler --debug NOTE: Debugging mode prints all exceptions even when rescued Exception `LoadError' at /home/ikushlianski/.rbenv/versions/2.5.1/lib/ruby/2.5.0/resolv.rb:170 - LoadError Exception `Net::OpenTimeout' at /home/ikushlianski/.rbenv/versions/2.5.1/lib/ruby/2.5.0/net/http.rb:937 - execution expired Exception `Net::OpenTimeout' at /home/ikushlianski

问题 I am failing to install bundler . I am on Ubuntu 18 and have ruby 2.5.1 installed. Here is the output of running this command. gem install bundler --debug NOTE: Debugging mode prints all exceptions even when rescued Exception `LoadError' at /home/ikushlianski/.rbenv/versions/2.5.1/lib/ruby/2.5.0/resolv.rb:170 - LoadError Exception `Net::OpenTimeout' at /home/ikushlianski/.rbenv/versions/2.5.1/lib/ruby/2.5.0/net/http.rb:937 - execution expired Exception `Net::OpenTimeout' at /home/ikushlianski

问题 Lets say that on top of my Rails app there is a bar with piece of text displayed - latest hot deal, scheduled downtime notfication, something like that. It's a single, on of a kind information that needs to be accessed on basically every request, and may be updated from time to time. What is the best way to achieve this? What I'd like to do is some kind of permanent global variable (accessible from controllers). It will be updated very rarely, so there's no problem if for some time after

问题 I'm trying to create my first gem and here's its structure: riverbattle ├── lib │ ├── riverbattle │ │ ├── base.rb │ │ ├── colorful.rb │ │ ├── computer.rb │ │ ├── constants.rb │ │ ├── exit_error.rb │ │ ├── field.rb │ │ ├── game.rb │ │ ├── human.rb │ │ ├── invalid_move_error.rb │ │ ├── move.rb │ │ ├── player.rb │ │ ├── version.rb │ │ └── victory_error.rb │ └── riverbattle.rb └── riverbattle.gemspec When I am in the directory rivarbattle/lib/riverbattle and I run the command ruby base.rb ,

问题 Hello I have both Rails2 and Rails3(beta 3) installed by Ruby Gems. Everything right now defaults to using Rails3. For instance rails myproject will create a new Rails3 template. How do I override this so everything goes to Rails2? 回答1: I have been using RVM which allows you to run multiple of Ruby with isolation for sets of gems and other configuration. Really useful for testing and managing multiple versions of Rails. 回答2: Ok, after some googling, stumbled upon this article: http://www

问题 Hello I have both Rails2 and Rails3(beta 3) installed by Ruby Gems. Everything right now defaults to using Rails3. For instance rails myproject will create a new Rails3 template. How do I override this so everything goes to Rails2? 回答1: I have been using RVM which allows you to run multiple of Ruby with isolation for sets of gems and other configuration. Really useful for testing and managing multiple versions of Rails. 回答2: Ok, after some googling, stumbled upon this article: http://www