rubygems

问题 I have been learning some RoR and I have just created my first web application, a photosharing site that is basically a Pinterest copy. Now I am trying to add more functionality and I would like if users would be able to comment pins. I'm using the Commontator Gem: https://github.com/lml/commontator/blob/master/README.md The only problem is that I don't know where to put <%= commontator_thread(commontable) %> in my show.html.erb file. I have tried many different places but for some reason it

问题 I've looked around the current answers for similar questions but still couldn't find the information I was looking for. While there are countless guides to setting up rails, it seems there aren't that many which are up to date. The latest installation of Ruby 1.9.2 seems to come with RubyGems but I can't seem to install it by running the command gem install rails On top of this I've read guides recommending to establish a linux environment. I'm even confused to what database to use "SQLite3"

问题 I'm trying to figure out a way to stop this flash message from showing on page load: class SearchesController < ApplicationController def index @users = User.search params[:search] @default_image = "/assets/default_avatar.jpg" if @users.empty? || params[:search].blank? flash[:error] = "Sorry no user(s) found!" if @users.empty? flash[:error] = "Please give us something to search for!" if params[:search].blank? render 'index' end end end I understand why it's showing (obviously when page is

问题 I'm attempting to migrate a Jekyll site over to my local machine and was doing ok but I've run into an error I am struggling to find much information regarding. I am pretty new to the whole Jekyll thing so any help is much appreciated. When I run bundle exec jekyll serve I get the following error: $ bundle exec jekyll serve Configuration file: /home/Documents/devsite/websites/marketing/_config.yml Source: /home/Documents/devsite/websites/marketing Destination: /home/Documents/devsite/websites

问题 I am facing a problem with rolify when adding the gem rbhive to my Gemset. In method user.has_role? the following error occurs: undefined method `relation_delegate_class' for Role:Class. Deleting the gem, the application runs without errors. I used the following gems: cancancan 1.8.2, rolify 3.4.0, rbhive 1.0.2 pre and thrift 0.9.0.. I tried to reinstall all gems and different gem-versions. I need the connection to HiveServer2 through thrift client, HiveServer is not enough (this actually

问题 Trying to run a ruby script, but it's failing on the 'require' statements, throwing a strange error: Code: require "rubygems" require "bundler/setup" require_relative "plugins/pivotal_rabbitmq_plugin/pivotal_rabbitmq_plugin.rb" require "newrelic_plugin" module PivotalAgent NewRelic::Plugin::Config.config_file=File.dirname(__FILE__) + "/config/newrelic_plugin.yml" NewRelic::Plugin::Run.setup_and_run end Command: ruby pivotal_agent.rb Error: /usr/share/rubygems/rubygems/path_support.rb:78:in

问题 I'm writing a Rails plugin to extend a Rails engine. Namely MyPlugin has MyEngine as a dependency. On my Rails engine I have a MyEngine::Foo model. I'd like to add new methods to this model so I created a file in my plugin app/models/my_engine/foo.rb which has the following code: module MyEngine class Foo def sayhi puts "hi" end end end If I enter the Rails console on the plugin dummy application I can find MyEngine::Foo , but runnning MyEngine::Foo.new.sayhi returns NoMethodError: undefined

问题 I had this problems in Ruby 1.8.7-p374. When try to run "rake db:migrate" i got this error: RubyGems installed the following executables: /home/wellington/.rbenv/versions/1.8.7-p374/bin/gem RubyGems system software updated /home/wellington/.rbenv/versions/1.8.7-p374/bin/rake:22: undefined method `activate_bin_path' for Gem:Module (NoMethodError) Its occurs on deploy Rails apps. Any ideas to solve this? 回答1: I resolved this updating gem and bundler gem update --system gem update bundler 来源：

问题 I have just installed the roo gem and when I try and run a ruby script I get the following errors: /usr/local/Cellar/ruby/1.9.3-p125/lib/ruby/1.9.1/rubygems/specification.rb:1615:in `raise_if_conflicts': Unable to activate google_drive-0.3.0, because nokogiri-1.5.2 conflicts with nokogiri (!= 1.5.1, != 1.5.2, >= 1.4.4) (Gem::LoadError) from /usr/local/Cellar/ruby/1.9.3-p125/lib/ruby/1.9.1/rubygems/specification.rb:738:in `activate' from /usr/local/Cellar/ruby/1.9.3-p125/lib/ruby/1.9.1

问题 I'm trying to install Mechanize with Ruby 2.3 on Windows 7. However I got the following error. Could anyone point me to the right direction? PS C:\DevKit> ruby --version ruby 2.3.0p0 (2015-12-25 revision 53290) [x64-mingw32] PS C:\DevKit> gem install mechanize Fetching: net-http-digest_auth-1.4.gem (100%) Successfully installed net-http-digest_auth-1.4 Fetching: net-http-persistent-2.9.4.gem (100%) Successfully installed net-http-persistent-2.9.4 Fetching: mime-types-2.99.1.gem (100%)