Episodes
Null Object Pattern
Play
16:36

Null Object Pattern

#345 Apr 17, 2022 pro
The Null Object Pattern is an old but good pattern that can help reduce complexity in our applications. In this episode, we'll look at a few different examples.

Optimistic Locking
Play
9:15

Optimistic Locking

#327 Dec 12, 2021 pro
Optimistic Locking is a feature to prevent collision when two users are editing the same record. In this episode, we look at adding this feature into a Rails 7 application that is using Turbo.

Dynamic Role Management
Play
17:31

Dynamic Role Management

#247 Jun 21, 2020 pro
Create dynamic roles that can be assigned to users. Based on the assigned role, the user will be able to perform or view various parts of the application.

Inviting Collaborators from Scratch
Play
20:13

Inviting Collaborators from Scratch

#238 Apr 19, 2020 pro
In this episode, we continue the Trello clone by adding a collaborator invitation mechanism to join working on lists. We look at some tricky ActiveRecord relationships and various solutions.

Like Relationships and Global ID
Play
13:27

Like Relationships and Global ID

#223 Jan 5, 2020 free
In this episode we create a Like/Unlike system where users can like posts and use Global ID to obfuscate IDs.