Your Teacher
About This Episode
In this video, we will take a look at how to use a few association declaration options to build a couple of has_one associations off of a has_many association in Rails.
Notes
has_one_from_has_many repository
has_one Rails API documentation
Blog post walkthrough covering the topics mentioned here and adding uniqueness validations
Rails Concepts
1
Environment Variables
8 minutes
2
Ruby Version Managers
4 minutes
3
Rails Application Structure
14 minutes
4
The Params Hash
15 minutes
5
Sending Data Between Controllers And Views
5 minutes
6
Querying Named Scopes Across Models with ActiveRecord::Relation#merge
4 minutes
7
Understanding Semantic Versioning
9 minutes
8
A Look Into Routing
9 minutes
9
Forms With Multiple Submit Buttons
10 minutes
10
Basic Authentication and RSS Feeds
13 minutes
11
Pair Programming on Rails Scopes
1 hour and 3 minutes
12
Rails 5's ActionCable and Websockets Introduction
18 minutes
13
Creating a Railsbyte
29 minutes
14
Rails Counter Caches
21 minutes
15
Atomic Updates And Performance with ActiveRecord Transactions
15 minutes
16
Debugging: How to Interpret a Stacktrace
13 minutes
17
Rails Application Templates
13 minutes
18
Custom Rails Configuration Options
15 minutes
19
ActiveRecord Default Scopes, Unscoped, and Unscope
12 minutes
20
Mail Interceptors & Observers in Rails
7 minutes
21
How to Build Custom ActiveRecord Validations
10 minutes
22
Custom Route Constraints & Regex in Rails
5 minutes
Building has_one from has_many Associations
9 minutes
24
Serializing Attributes with Custom Coders
22 minutes
25
ActiveSupport Concerns: Making A Duration Calculation Module
24 minutes
26
The difference between Link_to vs Button_to in Ruby on Rails
14 minutes