Understanding the importance of async programming — When we start off with creating a web application, we don’t care about how performant it is (and we shouldn’t to be honest). Our aim is to get a basic POC done and see if it gets some audience. This approach fits well until your user base grows beyond a…

Databases like PostgreSQL and MySQL provide various locking mechanisms to control concurrency and to avoid data corruption. We looked at different locks in a previous blog and in that I briefly covered advisory locks. In this blog let’s take a deep dive into it. We will implement the locks on…

A peek into the world of database locks, their types, and issues associated — Concurrency control should become a familiar term if you are dealing with locks. In a large application accessed by thousands of users, concurrency is inevitable. Your application should be able to handle multiple requests simultaneously. When you execute operations concurrently, the results can be conflicting. For e.g. if you are…

In 2015, Facebook introduced a feature that enabled users to go live for their followers and friends on the platform. It was initially available to only a few celebrities but was eventually rolled out to all users. From the point of view of a user, the feature looks very simple…

Authentication is one of those topics with a lot many options and each has its own tradeoffs. When I began my journey as a software engineer, I was boggled by this topic too. Just like different kinds of databases have their own purpose, authentication methods also have their own place…

Bash is a very important tool that programmers ignore most of the time. Git is another topic that programmers miss out on, and I have covered it in one of my newsletter posts. Another topic I would love to cover in my future posts is How to document your codebase…

Coding is fun, but deployment can take the fun out of it! Before cloud architecture gained traction, owning and borrowing servers used to be a very common strategy. Over the period of time managing own servers became a real issue. Many people dreamt of building an application and hosting it…

I love talking about asynchronicity quite a lot. The concept of asynchronicity, where things are executed flawlessly, is quite fascinating to me. We can be more efficient and get more things done this way. Async is a way of life! Coming back to technology. Have you heard of the C10k…

Understand why there are new kinds of databases coming out — When I started my programming journey, I learned many languages like Python and web frameworks like Django quite in-depth. I didn’t care much about databases and how they store information or why they have certain design patterns. But over period of time, I have realized that it’s quite important to…