Harut Margaryan articles - 4 total
How to prevent race conditions in Rails apps
Imagine a case where you have a model with callback when 2 requests are send at the same time, and a...
How to get several data count in a single query by applying conditions
Here I am gonna explain how it is possible to obtain multiple counts in one SQL query for speeding up...
Import the database from the Heroku dump
Occasionally, as developers, we have to import staging or production databases and restore them to...
Using Async in Ruby on Rails for CSV export
In this article, we'll go over the methods used to achieve async CSV export with Ruby on...