This is one of my favorite videos on the internet. It is what got me interested in Rails and made me work toward the goal of running my own business and hopefully soon, launch my own products. ...

How to validate uniqueness in a :has_many :through relationship with Ruby on Rails. You'll need three models in this example List, Subscriber and ListSubscriber. A list has many subscribers and a subscriber has many lists. Simple enough. Running the follo...

I had an old version of rvm installed and wanted to upgrade. So old in fact that the resource for upgrading no longer existed. rvm update just returned a 301, redirect. Luckily, the following worked # checks out from repo rvm update --head # will re...

Set the `-a` and the `-m` flags like so git tag -a v1.0.0 -m "Note about the release goes here" Then to push the tag to a repository git push origin --tags And that's it! Here are the docs [https://git-scm.com/book/en/v2/Git-Basics-Tag...