rubygems

问题 I am practicing ruby on rails by using rails guides. In the section 5.13 Deleting Articles they are showing how to create the delete (destroy) functionality. I followed the steps correctly, but the delete confirmation dialogue isn't shown and the articles are not getting deleted. When I checked the chrome developer tools, "jquery" and "jquery_ujs" is not included and the "default.js" is empty. I am running ruby on rails on windows 7. This is my articles controller, class ArticlesController <

问题 I have $GEM_HOME set, but gem install is still installing to the default ~/.gem directory. This rubygems issue says to remove the --user-install option in .gemrc , but I don't have a .gemrc file. How can I get gem install to honour the value of $GEM_HOME ? Here I firstly remove ~/.gem , and then show that it is automatically created: % rm -rf ~/.gem % find ~ -name '*gemrc*' % # No output, so .gemrc doesn't exist % echo $GEM_HOME /home/ravi/.local/share/gem % gem install neovim Building native

问题 I'm fairly new to Ruby and keep knocking my head against gems, but this latest puzzle has really got me stumped. After using the gem install shorturl, I added the following headers to a file in my project: require "rubygems" require "shorturl" class Controller < Autumn::Leaf When I run the project I get the following error: myfile.rb:3 in `require': no such file to load -- shorturl (LoadError) I'm not sure what other information would be useful, except that without the require the script is

问题 I have a very old rails app (rails 2.3.10 and ruby 1.8.7) and we want to move it on another server. I can reinstall all gems with same version except for paperclip 2.7. when i tried to install it i receive an error on activesupport, that it seems it require ruby 1.9.3. According with paperclip doc this shouldn't happens, some one of you can help me? i tried with all gems except paperclip, with no gems, and installing an old version of activesupport. Below you can find my tests. app@new-server

问题 I'm trying to install Thin on Windows (ruby 1.8.6 (2007-09-24 patchlevel 111) [i386-mswin32]) but get an error message: C:>gem install thin Building native extensions. This could take a while... ERROR: Error installing thin: ERROR: Failed to build gem native extension. C:/rails/ruby/bin/ruby.exe extconf.rb checking for main() in c.lib... no creating Makefile nmake Microsoft (R) Program Maintenance Utility Version 1.50 Copyright (c) Microsoft Corp 1988-94. All rights reserved. cl -nologo -I.

问题 I've been hung up on this issue for hours now and nothing I have found previously posted about this issue seems to work. Below is the mysql2 output for when I run bundle install : Fetching mysql2 0.4.5 Installing mysql2 0.4.5 with native extensions Gem::Ext::BuildError: ERROR: Failed to build gem native extension. current directory: /Users/MYUSERNAME/Desktop/MY_PROJECT/vendor/ruby/2.4.0/gems/mysql2-0.4.5/ext/mysql2 /Users/MYUSERNAME/.rbenv/versions/2.4.2/bin/ruby -r ./siteconf20180623-40170

问题 First I do not know much about Ruby, but, the Openshit command line uses the 'rhc' to manage my apps on cloud. Nice!...but the 'rhc' program its based on Ruby, Rubygems....something. Ok, i'm installed theses programs with apt-get on Linux Mint (Ubuntu based): sudo apt-get install ruby1.8 sudo apt-get install gem sudo apt-get install rubygems gem install json_pure gem install rake gem install rhc Nice!..rhc its visible in my console, but when i try execute any rhc command, the console returns

问题 I have a url that I am using in one of the controllers. Is there a better place to put this url? The url uses an API key and I was wondering if there is a better place to add this url and/or api key such that its not added in the controller class code and ergo more editable? If i add it as an environment variable or anything else how do i access it from my controller class? thank you. ITS A RUBY AND RAILS PROJECT 回答1: Using environment variables might be a good idea if you want to keep things

问题 I downloaded the postgres.app for my Mac OSX machine. I have a rails app that has connected and used the postgres DB that came with the postgres app. Now I am writing a pure Ruby test script (Not Rails, pure Ruby, not even Active Record) to try to connect to the postgres database instance. These are the steps I followed to set this up 1) ran this command on the terminal: gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/MacOS/bin/pg_config 2) Added this code to the test