- Ruby basics
- Ruby rbenv
- Ruby gems
- Ruby bundler
- Ruby rake
- Ruby rack
- Ruby parallel gem use cases
- Ruby http request with cookie
- Upgrade rails from 4.2 to 5.0
- Rails autoload thread unsafe
- Ruby rspec
- Upgrade rails from 5.0 to 5.1
- How to import millions of records into mysql
- Upgrade rails from 5.1 to 5.2
- Switch rails server from unicorn to puma
- Where is ruby defined? defined?
- Upgrade to ruby 2.7.6
- Upgrade rails from 5.2 to 6.0
- Upgrade to ruby 3.0.5
- Convert epoch millisecond timestamp to readable datetime