Non-related intro In the last couple of days, I was attending some mock interviews with my peers in order to get practice for each one. Do you know what is the most interesting part of facing (mock or real) interviews? it is not about selecting for the next round, or it is…

Just Imagine Before discussing what is the java record, let's imagine a scenario for a little time. think you need to call a database and get some data from a table, to do that you need an entity class. …

I recently build a NestJs and react application by integrating the Stripe payment gateway which can collect payments from users in e-commerce applications. Here I have built a basic react application with some items and a cart. Also, the stripe frontend elements have been integrated into the front end in…

Recently I got a chance to learn and use reactive programming in java. I used the spring boot web flux reactive library which uses a project reactor under the hood. basically, the project reactor is a library that has classes that implemented the reactive streams specifications (the actual library is…

Reactive programming is a new paradigm that was introduced recently and it has fast become a very popular topic among software engineers. Before we dive into the topic of the article, let’s first look at the reason behind this popularity and how things were before reactive programming was introduced. Traditional way Let's…

AWS Cloudformation template has a defined structure. basically, a sample template has six top-level sections and we are going to look at that one by one. Also, we can use either JSON or YAML format for this template Before we go to the sections, we need to discuss two important…

Explore AWS CloudFormation — AWS CloudFormation is a coding-based approach to the provision and manages AWS resources as well as third-party resources, which is also defined as infrastructure as code. To simplify the above explanation The above explanation is a little bit complex and may be confusing. Let’s see that in a simplified way to understand. Let’s imagine a…

What is Mongock? Mongock is a coding-based approach to manage and apply database schema changes to MongoDB databases using Java language. Why do we need a database version control? Usually, software applications will be developed with different team members in different environments like DEV, QA, PROD. As a version control for the code of this application, git will be used, but…

What is OAuth2 Basically OAuth2 is a authorization mechanism. It is a industry-standard protocol for authorization. The well defined definition is to describe OAuth2 is OAuth 2 is an authorization framework that enables applications to obtain limited access to user accounts on an HTTP before going into deep, let’s look what is the…