Lesser Known

Build Your Own 100% Local AI Second Brain

How the best builders in tech are all converging on AI second brains

May 7 • Avi Chawla

16 Techniques to Optimize Neural Network Training

...explained in a single frame.

Mar 4 • Avi Chawla

Define Criticality Levels for Agents’ Instructions

Build Agents that actually follow your instructions (open-source)

Jan 6 • Avi Chawla

How Does BM25 Ranking Algorithm Work?

...explained with mathematical details.

Dec 30, 2025 • Avi Chawla

An Intuitive Guide to Non-Linearity of ReLU

Exactly why ReLU is a non-linear activation function.

Dec 20, 2025 • Avi Chawla

How to Use kNNs for Imbalanced Datasets

2 techniques, explained visually.

Nov 28, 2025 • Avi Chawla

Cyclical Feature Engineering

...explained with usage and code.

Nov 22, 2025 • Avi Chawla

Speed-up Native Python Code using Cython

...within minimal effort.

Nov 21, 2025 • Avi Chawla

Verbalized Sampling in LLMs

...explained with usage.

Nov 14, 2025 • Avi Chawla

Momentum in ML, Explained Visually and Intuitively!

(a popular ML interview question)

Nov 7, 2025 • Avi Chawla

Sync vs. Async in Python

...explained with code and misconceptions.

Nov 5, 2025 • Avi Chawla

A Memory-efficient Technique to Train Large Models

...that even LLMs like GPTs and LLaMAs use.

Oct 14, 2025 • Avi Chawla

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