Unraveling the subtle differences between combined and separated where.not clauses in Rails. How a small difference can lead to significant outcomes.

I am describing two production error bugs that we recently encountered and the path to solve them

Compose two or more images in ruby

Ruby way of communicating and using reddit through API

We examine a simple question regarding ruby and how to write efficient code

What I am doing to follow up the changes of ruby and ruby on rails

A simple parser and how it works with faraday and nokogiri

How can you automate the DCA with ruby to Binance and Kraken

Dollar Cost Average vs Go all-in and Hold on historical data.

A simple script for saving every week your db and storing it on S3 and on your email