Can I have/use different Versions of rails in the same machine

Posted by lakshmanan on Stack Overflow See other posts from Stack Overflow or by lakshmanan
Published on 2010-06-14T03:52:06Z Indexed on 2010/06/14 4:02 UTC
Read the original article Hit count: 304

Filed under:

ruby-on-rails

|

rubygems

I am actually reading a rails book that is written for rails 2.3.5. I want to test Rails 3 beta as well. Is it possible to have such a setup in my Mac OS leopard?

I have tried with gem list -d rails. There are many versions stored in my mac but I don't know how to use different versions of rails while creating applications using rails command

© Stack Overflow or respective owner

Related posts about ruby-on-rails

Ruby on Rails - How can I start? [closed]

as seen on Programmers - Search for 'Programmers'
I have misconception in understanding the relationship between Ruby language and Ruby on Rails Framework. Because of 'I am an absolute beginner' in web development I have no idea if I have to grasp the fundamentals of Ruby before I go with Ruby on Rails! I also want to ask who is behind both Ruby… >>> More
DES3 decryption in Ruby on Rails

as seen on Stack Overflow - Search for 'Stack Overflow'
My RoR server receives a string, that was encrypted in C++ application using des3 with base64 encoding The cipher object is created so: cipher = OpenSSL::Cipher::Cipher::new("des3") cipher.key = key_str cipher.iv = iv_str key_str and iv_str: are string representations of key and initialization… >>> More
Ruby on rails: Image downloads with Authentication/Authorization/Time outs

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi Guys, I'm having few doubts on implementing file downloads. I'm creating an app where I use attachment_fu with Amazon s3 to upload files. Things are working pretty well so far on uploading side. Now its the time to start the file downloads. Here is what I need, a logged in user search and browse… >>> More
Ruby on Rails deployment, on "thin" server with lot of attachments

as seen on Stack Overflow - Search for 'Stack Overflow'
A lot of PDFs are stored inside MySQL as a BLOB field for each PDF file. The average file size is 500K each. The Rails app will stream the :binary data as file downloads, where there is a user click on the download link. Assume there is a maximum of 5 users downloading 5 PDFs concurrently, what… >>> More
Apply Behavior Driven Development to Ruby on Rails with Rspec

as seen on Internet.com - Search for 'Internet.com'
Applying the Behavior Driven Development (BDD) methodology to your Rails development takes you beyond traditional Test Driven Development. Learn how to do it with the Ruby-based BDD framework RSpec. >>> More

Related posts about rubygems

error while running ruby application at system startup in ubuntu

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I am on Ubuntu 12.04 machine. Have a script file which runs when entered manually in terminal gnome-terminal -e /home/precise/Desktop/cartodb/script.sh The content of script file is cd /home/ubuntupc/Desktop/cartodb20/ sh /home/ubuntupc/.rvm/scripts/rvm bundle exec foreman start -p 3000 So what… >>> More
Installing RubyGems 1.9.1

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I have successfully installed ruby1.9.1 but after downloading the .tgz archive offered here and doing sudo ruby1.9.1 setup.rb I get this: /home/elliot/Downloads/rubygems-1.4.1 (2)/lib/rubygems/source_index.rb:62:in `installed_spec_directories': undefined method `path' for Gem:Module (NoMethodError) from… >>> More
No rails commands will run

as seen on Stack Overflow - Search for 'Stack Overflow'
I am trying to learn rails and haven't used it in the last few weeks but today when I try to run any rails commands such as - 'rails -v' - 'script/server' I get not have reinstalled ruby but the didn't don't have a clue what could be wrong Am on a brand new Macbook Pro Jeremy-Geross-MacBook-Pro:~… >>> More
Ruby gem installation error after OSX Yosemite and Xcode 6 installation

as seen on Stack Overflow - Search for 'Stack Overflow'
I tried installing a gem like I did before installing Yosemite, but now I'm getting an error: /Library/Ruby/Site/2.0.0/rubygems/ext/builder.rb:159:in `synchronize': ERROR: Failed to build gem native extension. (Gem::Ext::BuildError) ERROR: Failed to build gem native extension. deadlock; recursive… >>> More
WARNING: RubyGems 1.2+ index not found for: RubyGems will revert to legacy indexes degrading per

as seen on Stack Overflow - Search for 'Stack Overflow'
WARNING: RubyGems 1.2+ index not found for: RubyGems will revert to legacy indexes degrading performance. If anyone can walk me through this problem I will give them $50.00 I've exhausted google, have reinstalled everything. All i want to to is gem install ... that's it >>> More