Introducing Apex Recipes

Every Salesforce Developer must check out apex-recipes. Very useful & I love everything about this but here are some cool things:

1) trigger framework pattern

2) apex REST with reusable code

3) How to check FLS in code And many more.

Apex Recipesis a library of concise, meaningful examples of code for common use cases following best practices. They reflect enterprise patterns that can be utilized for real world solutions. The code is intended to reflect clarity while trying to maintain brevity. 

https://developer.salesforce.com/blogs/2020/10/introducing-apex-recipes.html