How to use rails cache and improve your api load time.

How to render multiple children without a parent node

A list of database rules I use when writing code

How to import large amounts of data without abusing your database

How to monitor resque from in ruby code so you can automatically handle scaling or send a text if it hits a certain threshold

How to scale Heroku dynos from ruby to make sure you are always able to handle the demand.

How to parse large csv file

How to create custom view for devise

How to restrict ip in a rails app

How to wireless communicate between two Arduinos.