What’s the difference between Webhooks and Polling? Real World Business Problem Imagine an ecommerce store like Amazon where user submits an order which is handled by the order service which then ...

C# Coding conventions with examples. Write code that is readable, maintainable and easy to extend. Coding conventions are a set of guidelines and standards that every developer should follow when ...

Fundamentals of System Design Chapter 13: Microservices What are Microservices? Have you ever wondered why companies like Amazon, Google and Netflix seem to roll out features at the speed of light?...

What is technical debt? Technical debt occurs when we choose an easier, quicker or a less optimal solution during software development rather than a more robust one. As developers we do this all th...

Introduction “Security is an illusion, you will put an alarm on a door and feel safe, but what if burglar use the window? ~ Kevin Mitnick” What is web application security? This is the process of p...

Introduction In the last couple of years, there has been a lot of advancement in how systems are developed. Applications that we use everyday like Google Search, YouTube, Twitter, Instagram etc pr...

Introduction Real World Problem Imagine a popular restaurant with lots of customers at it’s busiest hour. All the customers want to get meals the moment they walk in. It could be chaotic if the res...

Introduction Have you ever come across an advertisement for services like graphic design or house painting that begin with a catchy headline: Cheap, Fast and Good: Pick Two”? Cheap represents the...

Introduction Imagine you have a large library with thousands of books. Let’s say a client walks in and requests a book by it’s title. Without any organization, you would have to search all the b...

Introduction A database holds a significant importance within a system and it’s design is very critical in the performance of an application. For Example, let’s examine the early stages of a soc...