speed up mongodb aggregation functions

I love MongoDB and last month I started to learn MongoDB's amazing Aggregation API. It has a lot of useful aggregation functions and it's documentation can be found here. I tried all aggregation functions on mongo shell and I also tried explain function on aggregation functions to understand how MongoDB

it's all about payment

I personally hate carrying wallets all the time with me. Even though it is small and tiny I don't want to carry my id, credit card and money all the time. It's too annoying, I am going out for buying a coffee and walking in the streets just for relaxing

Java Spring MVC rate limit

We are developing a simple mobile app which has a rest api. Team consists of a backend developer(Me me me!), ionic developer, designer and web developer. Since I don't like complexity in my code, I always try to isolate my work with other team members technically, so developing Rest


Local, Test, UAT, PreProd, Prod. And maybe many more. You need different environments during the development lifecycyle. Local environment: For the POCs and local development. You can use your local machine or company server. Test environment: When you develop some modules, you can deploy your code to test environment for

Devnot workshop

I will be guest of Devnot next week on 10th of October and make a workshop about Elastic Beanstalk's auto scalability features. Here you can find the event's details and you can register from Eventbrite's page. Here is the detailed architecture for the workshop. I will demonstrate scalability with respect