Curated list of episodes, bundled to help you on your learning path!
Videos of tech, infrastructure, hardware and software which non-instructional by nature.
Articles around software and tutorials.
Show your love and support while looking fancy.
In this episode, we look into creating a blockchain as well as proof of work for car maintenance tracker application. Blockchain is used to establish a trust that records have not been tampered with.
Advancing from Single Table Inheritance, learn how Polymorphic Associations differ and tricks to simplify their usage.
Learn to use single table inheritance to allow multiple classes to be stored in the same database table.
When displaying a count of records, this will generate extra SQL Queries. Learn how to reduce the number of SQL queries called with counter caching the number of associated records.
Wouldn't it be awesome if ActiveRecord didn't make you think about eager loading and it just did the "right" thing by default? With Goldiloader it can!
When your app is using Paranoia, calling destroy on an ActiveRecord object doesn't actually destroy the database record, but just hides it.
With strong params replacing attr_accessible, a difficulty has arisen with referencing to the structure of your models. With annotate, we can generate the structure of our models in the comments of our models.
This is a Rails library which integrates with Active Records and provides some awesome user-initiated string interpolations for your web apps. For example, have you ever needed to allow users to insert their own variables into e-mail templates or messages?
Store multiple attributes and values using a text column. Not for everyday use, but has situations where it can save on the number of columns and/or models needed to accomplish a task.