rails upgrade

Smooth Ruby and Rails upgrades
Piotr Jurewicz
Replace aasm with Rails Enum today
Szymon Fiedler
Do you tune out Ruby deprecation warnings?
Piotr Jurewicz
The mysterious litany of require_dependecy calls
Piotr Jurewicz
Six ways to prevent a monkey-patch drift from the original code
Paweł Pacana
The most important boundary in your app
Piotr Jurewicz
Painless Rails upgrades
Szymon Fiedler
Upgrading a trivial Rails app from Ruby 2.3.1 to 2.7 and from Rails 4.2.6 to 6.0.3
Andrzej Krzywda
Using ruby parser and AST tree to find deprecated syntax
Robert Pankowecki