Vikrant
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Software Engineering (3)
 

Journey of an Insert: Storage in Postgres

Software Engineering

This is the first part in a series of blogs where we trace the journey of a postgres insert from the INSERT INTO command to how it gets replicated on multiple nodes. In this blog, we see how the insert happens on a single node and how it gets stored.

Feb 14, 2026
11 min
 

Journey of an Insert: WAL-E?

Software Engineering

This is the second part in a series of blogs where we trace the journey of a postgres insert from the INSERT INTO command to how it gets replicated on multiple nodes. In this blog, we explore the Write Ahead Log in detail.

Jan 26, 2026
3 min

Reinforcement Learning, Positive Psychology and Life

Data Science
Psychology
The Multi-Armed Bandit (MAB) problem is an important idea in reinforcement learning. But you don’t need to know anything about reinforcement learning to see how the idea can…
Feb 15, 2025
4 min

A Wise Man’s Counsel

Psychology
Books

I think Charlie Munger is one of the wisest men to have ever lived. He didn’t bother writing a book himself, but his wisdom is out there for us to soak up through his letters, speeches, and the incredible Poor Charlie’s Almanack.

Nov 4, 2024
3 min

Building an HTTP Server From Scratch

Software Engineering

Serving a web application is as simple as running a single command. But this hides a lot of details. In this post, we create an HTTP server from scratch in Python to peek under the hood.

Oct 27, 2024
14 min

Building a Digit Classifier From Scratch

Data Science

In this post, I’ll share how I created my first deep learning model. I created a neural network from scratch using FastAI and PyTorch. While I didn’t write code for backpropagation (thankfully, PyTorch is there!), I did write the building blocks myself, which made this incredibly fun!

Oct 23, 2024
8 min

Mastering Deep Learning as a Non-Techie

Data Science
Psychology
Books

How do you master deep learning, especially if you’re not a ‘techie’? Radek Osmulski did just this. He went from having a boring job to an exciting career at NVidia. This post tells you how.

Oct 18, 2024
3 min

Grandmaster-ing Life

Chess
Books

Vishy Anand, the five-time world chess champion, inspires many. His advice, like his chess, is well thought out. Recently, he published his book: “Mind Master: Winning Lessons from a Champion’s life”. Read on to find out Vishy’s take on life.

Oct 13, 2024
4 min

Challenge Accepted!

Business
People

The incredible journey of Shashikant Parakh, the man who transformed NAMCO Hospital and built a legacy of success through relentless challenges. From business ventures to life lessons, his story is a testament to dreaming big and making a difference.

Jun 7, 2021
5 min

How Good Is Sleep!

Books
Psychology

Why do we sleep? How do we sleep? What are dreams? Until now, sleep was a mystery. But the developments in technology allow us to answer such questions. In his bestselling book “ Why We Sleep: The New Science of Sleep and Dreams”, neurologist and sleep researcher Matt Walker answers the same questions. He takes us on a journey from ‘Sleep is good’ to ‘How good is sleep?’

May 16, 2021
10 min

Unstoppable!

Business
People

Bhavesh Bhatia’s story is nothing short of inspirational. He started with a rented handcart as a store, and built a business employing more than 10,000 people. But there’s something more. Read on to know why Bhavesh is so special.

Oct 31, 2020
7 min

Daring to Execute

Business
People

Three friends, a risky gamble, and a relentless spirit made Reliable Engineers India’s top engineering companies. Rajendra’s business journey is one that only a few will dare to try.

Oct 31, 2020
7 min

Master Anything With Deliberate Practice

Psychology
Books
When we see Virat Kohli score a century, we are tempted to say, “He’s so talented.” But we all know it’s not because of talent but instead, because he practiced. A lot. Not…
Aug 28, 2020
10 min

What Next?

Business
People

Meeting someone in the civil services is a special experience. Getting to interview them is even more special. Read on to know an IPS officer’s journey.

Jun 29, 2020
6 min

Navigating Gold

Business
People

The man behind the best retail store of India tells his story. Read on to know more.

Jun 7, 2020
5 min

From Ashes to an Empire!

Business
People
We went to Sinnar to meet a man about whom I knew virtually nothing. But very soon I realised what the name Amol Kasar meant. A man in his mid-thirties, Amol Kasar was a…
May 7, 2020
7 min
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