I. What is XAMPP ?XAMPP is an open-sourced server setup to test the projects on a local machine before making it available to everyone over the web. This web app development server comes pre-installed with Apache web server, MySQL database, PHP, and Perl that help you build an offline application

Is Redis Stream better than Redis Pub/Sub for my chat service?That was a question for me when I first read about Redis Stream - a new data type introduced with Redis 5.0. So, I will go into a lot of details on them to get the answer.

Reference: https://guides.rubyonrails.org/active_record_querying.html#eager-loading-associations What is N+1 query? The N+1 query problem is one of the common performance antipatterns in ORMs. It happens when an application gets data from the database and then loop through the result of that data. Let's look

Rails, just like many other frameworks, has a lot of magic (and surprises too). Last month, when I had a chance to do a performance tuning for the ActiveRecord #find_in_batches and #find_batch I found some interesting thing about those two similar methods that's worth sharing. But first