AWS Security Groups and Deploying Rails 6 to Beanstalk
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21:15 CC

AWS Security Groups and Deploying Rails 6 to Beanstalk

#203 Aug 18, 2019 pro
Back in Episode #106, we configured and deployed to a very simple AWS Beanstalk environment. However, in this episode, we take things a bit further and explore security groups, an existing database and redis service. Also, there are a few changes that we have to do in order to get Rails 6 working within Beanstalk.

SweetAlerts in Rails 6
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12:09 CC

SweetAlerts in Rails 6

#202 Aug 11, 2019 pro
Sometimes adding a javascript library can be difficult because either it's not a straightforward process or some of the blog articles are either outdated or don't work properly. In this episode, we look at adding SweetAlerts into a Rails 6 application with Webpacker.

Working with Large Data
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15:42 CC

Working with Large Data

#201 Aug 4, 2019 free
When database tables get large, things can slow down significantly. In this episode, we look at a few things which helps keep databases performant and the client side responsive.

SOLID - Liskov Substitution Principle
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6:22 CC

SOLID - Liskov Substitution Principle

#200 Jul 28, 2019 pro
In this episode, we look at the Liskov Substitution Principle. If S is a subtype of T, then objects of type T may be replaced with objects of type S without altering any of the desirable properties of the program.

SOLID - Open/Closed Principle
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5:09 CC

SOLID - Open/Closed Principle

#199 Jul 21, 2019 pro
Open/Closed principle states "software entities (classes, modules, functions, etc.) should be open for extension, but closed for modification"; that is, such an entity can allow its behaviour to be extended without modifying its code.