Linked Questions

I installed rbenv according to the github directions. I am running OSX but I have tried this on a Ubuntu 12.04 VM and got the same results. The following is what i get in my terminal when I try to ...

I am interested in how RVM and rbenv actually work. Obviously they swap between different versions of Ruby and gemsets, but how is this achieved? I had assumed they were simply updating symlinks, but ...

I am new to programming and am trying to get rails installed on my terminal. I have been following instructions from a friend, installing the xcode command line tools, homebrew, git, rbenv, ruby-build,...

I can't add more simulator OS version in XCode 12, for example iOS 13, the list is empty: how can I add more simulatore with different ios version?

Summarizing my problem Details about my goal: I want to install an older(stable) version of Rails; specifically 5.2.5. Describing the expected and actual results: I expect my Mac running Big Sur v11....

After install fresh ruby (v 2.2.2) and rails (v 4.2.1). i try create new app by commnad rails new app in my terminal. But print errors like this: Errno::EACCES: Permission denied @ dir_s_mkdir - /...

(Disclaimer: I am quite new to RubyGems.) I have a Sinatra app where I had a ton of require keywords so I wanted to move them into a Gemfile. So far all of them (DataMapper, Prawn, etc) work fine, ...

I've been running in circles trying to install the 'twilio-ruby' gem in my rails app to no avail. Every time I try to bundle install I receive errors around libxml. Below is a part of the error I'm ...

When I run gem update --system in MacOS Sierra, I have a problem like this: Successfully installed rubygems-update-2.6.10 ERROR: While executing gem ... (Errno::EACCES) Permission denied @ ...

I'm trying to install Alamo-fire library in my project. But I'm getting the following error: ERROR: While executing gem ... (Errno::EACCES) Permission denied - /Library/Ruby/Site/2.0.0/rubygems ...

I have cloned an existing project from github. I installed Ruby and installed Rails on my Terminal. When I do ruby -v I get ruby 2.5.3p105 (2018-10-18 revision 65156) [x86_64-darwin18] When I do ...