Your Teacher
About This Episode
In this video, we will explore how the concepts we looked at in "Flattening Scopes in Ruby" are used in Rails by taking a look at the assert_difference method. We will walk through how the method works while taking note of where the concepts are applied.
Notes
Ruby Language
1
How to use the Ruby 2.6 Just-in-Time (JIT) Compiler
6 minutes
2
Ruby's Array() and Array.wrap
8 minutes
3
Ruby Module Include Tracking
11 minutes
4
Symbols vs Strings
10 minutes
5
Wrapping Exceptions in Ruby
8 minutes
6
How to use "ensure" in Ruby
8 minutes
7
Flattening Scopes in Ruby
19 minutes
Concept Application: Assert Difference Deep Dive
23 minutes
9
Eigenclasses
15 minutes
10
Your First Ruby Gem
21 minutes
11
Your First Ruby Gem Part 2
24 minutes
12
Building Utilities with Ruby Scripts
21 minutes
13
Debugging with Caller
8 minutes
14
The Ruby Subscript Operator
14 minutes