Category "rubygems"

Ruby On Rails - NoMethodError: undefined method `[]' for nil:NilClass

I'm trying to run on a new computer some ruby code and I receive the following error (rails db:migrate --trace) ** Invoke db:migrate (first_time) ** Invoke db:

Could not find public_suffix-2.0.4 in any of the sources

It started when I tried to add the Google Tag Manager Gem to my local installation of Jekyll. A little background here, I'm using homebrew and rbenv. My r

Is it better practice to specify a Rails version or branch in a Gemfile?

I'm presently using gem 'rails', '~> 5.0.0' in my Gemfile. I just learned of a different way to specify a Rails branch, which is: gem 'rails', github: "

yast2 is broken after executing `zypper update`

I am a newer to use openSUSE. Recently I execute zypper update and found yast2 UI client cannot be launched. I can see the log in /var/log/YaST2/y2log: 2020-03

ROR + Unable to install tiny_tds

Here I am trying to fetch data from MS-SQL Server 2008 to my Rails application on Ubuntu 10. But I am unable to install tiny_tds. I follow the step given at git

Cannot install Ruby gem libxslt-ruby on Mac cause it does not find libxml2

I've installed libxml2 and libxslt through Brew on my Mac but gem install libxslt-ruby -- --with-xml2-dir=/usr/local/opt/libxml2 --with-xml2-lib=/usr/local/op