One black Friday I started working on notifications and this is what made my life easier and my development faster. A while ago a nice and weird requirement came up. Requirement: We need to send notifications to all ( IOS, web-push, Android, or anything which can receive a notification we…

Hi, guys today I am going to compare gRPC and REST. I hope you guys are familiar with REST if not please look at the internet. And for a quick summary REST API is a verb-based software architectural style which we can use to get, put, post, or delete resources. …

Holy Crap, what’s that my service got crashed…. I spent days in learning this, I don’t want you to get stuck with this :-) While working with multiple threads we are most likely to encounter these two. Let’s start with Race Condition: This condition occurs when multiple threads are accessing…

java.lang.NullPointerException This is the common exception which every developer deals with, each day. Today we are going to mitigate your chances to meet this exception and believe me if you use the below strategy you are going to miss this exception. Today we’ll be discussing Null Pointer Design Patten. Null Object Pattern —…

“While we waste our time hesitating and postponing, life is slipping away.” — Senec Let’s start with a story: When I was in 1st year of Engineering I learned a lesson. …

Hi, Today we’ll be going a step forward in the design of software architecture. In this article, I’ll be going through the strategy pattern. Why do we need this? If we use this pattern in our coding style, our code will be more flexible and later if you want to…

In this article, we will be learning about SOLID principles. This is the biggest need of the time as we all write the code every day and it becomes a tedious task to make changes into them. Why you need them: An application should take care of frequent changes that…