Learn by Blogging

A Ready Reckoner to AWS Bedrock’s Control and Data Plane APIs

Cloud/AWS
Cloud/AWS/Serverless
AI/LLM
AI/Foundations

Sharing my learning notes on AWS Bedrock API Endpoints

Feb 9, 2026
Senthil Kumar

An Engineer’s Playbook for Formal Communication in the AI Age

Writing & Communication

Practical hacks to listen better, write sharper, and speak smarter

Sep 17, 2025
Senthil Kumar

What I Learned about LangGraph from FreeCodeCamp Tutorial Video

AI/Agents
AI/LLM
Tools/LangGraph

Sharing my learning notes on the LangGraph Tutorial from FreeCodeCamp

Aug 20, 2025
Senthil Kumar

What I Learned about Agentic AI Development from an O’Reilly Course

AI/Agents
AI/LLM
Tools/LangGraph

Sharing my learning notes on the best practices of Agentic AI Development

Aug 18, 2025
Senthil Kumar

What I Learned About MCP from DeepLearning.AI’s Short Course

AI/Agents
AI/Foundations
AI/MCP

This blog post contains my learning notes from DeepLearning.AI’s Short Course on MCP

May 18, 2025
Senthil Kumar

The Evolution Of GenAI Applications -
From Single LLM Call to Agentic AI

AI/LLM
AI/GenAIApplications
If you prefer reading this in my Medium Post: Single LLM to Agentic AI: A Visual Take on GenAI’s Evolution
Apr 16, 2025
Senthil Kumar

Navigating the Git Timelines: A Code-along Quest to Master Git

Tools/Git

Armed with essential Git weaponry, this blog weaves Git teachings into a real-world scenario, helping readers navigate different Git timelines like pros.

Jan 22, 2025
Senthil Kumar

Madness in the Git Multiverse - A Marvel-inspired Tutorial to help you transition from a beginner to an advanced Git User

Tools/Git

In this blog, I explain how to use advanced git commands in a practical, easy-to-understand manner.

Dec 15, 2024
Senthil Kumar

What I Learned About AWS Fundamentals from a Coursera Course

AWS

In this blog, I cover my learnings from the Coursera-AWS course titled AWS Cloud Technical Essentials

Oct 15, 2024
Senthil Kumar

The Mental Model for Leveraging LLMs in Cloud

AI/LLM
Cloud/AWS
Cloud/AWS/Serverless

In this blog post, we are exploring the intersection of different sized LLMs and their optimal compute environments for deployment

Jun 19, 2024
Senthil Kumar

How I used GitHub CoPilot to create a python Lambda API endpoint via SAM template

Cloud/AWS
Cloud/AWS/Serverless
Cloud/AWS/CLI
Cloud/AWS/SAM
Programming/Python

In this blog I create an AWS Lambda Endpoint with a custom authorizer Lambda using SAM yaml template. I seek CoPilot’s help to build all of them step by step

May 30, 2024
Senthil Kumar

Building Frugal Open Source LLM Applications using Serverless Cloud

AI/LLM
Cloud/AWS
Cloud/AWS/Serverless
AI/NLP

This blog covers 4 Serverless LLM Recipes useful from the point of view of learning and building PoCs

May 16, 2024
Senthil Kumar

All You Need to Know about the Golang-based Task Runner Build Tool

Programming/Bash
Tools/Taskfiles
Cloud/AWS
Cloud/AWS/CLI
Cloud/DevOps

This blog covers how to use the amazingly simple Task runner in the most productive way in 10 easy-to-understand sections

Dec 14, 2023
Senthil Kumar

Build a Replicable Serverless Python NLP App from Scratch

Cloud/AWS
Cloud/AWS/Serverless
Cloud/AWS/CLI
Cloud/DevOps
AI/NLP
Programming/Python

This blog was originally presented in PyCon India 2023 Open Spaces Talk on behalf of Toyota Connected India

Sep 30, 2023
Senthil Kumar

Boost Your Productivity with Bash Script Recipes

Programming/Bash
Programming/General

The bash script recipes discussed here can be used as-is like a mini-cookbook or for understanding the fundamentals of bash scripting

Aug 16, 2023
Senthil Kumar

A Gentle Introduction to JMESPath - an intuitive way to parse JSON documents

Programming/Bash
Programming/General

I discovered jmespath when using aws cli --query. This post is an earnest attempt to spread the word about JMESPath expressions

Jan 12, 2023
Senthil Kumar

Demystifying the basics of Encoding and Decoding in Python

Programming/Python

A short blog on my experiences dealing with non-ASCII characters in Python 3

Dec 9, 2022
Senthil Kumar

An Ode to the Ubiquitous Regex

Programming/Python

A selected list of confusing Regex Patterns that helped me learn its working better

Nov 8, 2022
Senthil Kumar

SQL Fundamentals - Learnings from Kaggle Learn Google BigQuery SQL Course

Programming/SQL
Programming/General

This blog holds my SQL notes from Kaggle.com/learn course on SQL Fundamentals

Oct 12, 2022
Senthil Kumar

Commonly used PostgreSQL Commands

Programming/SQL

Let us dig into the PostgreSQL Couplets to update RDS & common Python (Psycopg2) scripts to access PostgreSQL RDS

Sep 15, 2022
Senthil Kumar

A Practical Guide to Bash Scripting

Programming/Bash

A quick guide manual to level up your understanding and use of Bash Scripting

Aug 3, 2022
Senthil Kumar

The Evolution of Transfer Learning until the Advent of the First Tranformers in NLP

AI/NLP
AI/Foundations

An overview covering important NLP milestones from pre-transfer learning era until the era of BERT (before GPT)

Apr 11, 2022
Senthil Kumar

Understanding Machine Learning Fundamentals - from a coder’s viewpoint

AI/Foundations
Programming/Python

This blog is inspired from my notes on Kaggle Learn Course on ML. It has code snippets in Scikit-learn and Pandas to put concepts into practices

Mar 4, 2022
Senthil Kumar

Understanding Deep Learning Fundamentals - from a coder’s viewpoint

AI/Foundations
Programming/Python

This blog is inspired from my notes on Kaggle Learn Course on DL. It has code snippets in Keras and Pytorch to put concepts into practices

Mar 4, 2022
Senthil Kumar

Part 2 - A Primer on Statistics

Mathematics/Statistics

My notes from a LinkedIn Course on Statistics

Feb 27, 2022
Senthil Kumar

Part 1 - A Primer on Probability

Mathematics/Statistics

My notes from a LinkedIn Course on Probability

Feb 3, 2022
Senthil Kumar

PyTorch Fundamentals for NLP - Part 2

AI/NLP
Programming/Python

This blog post explains how to build Linear Text Classifiers using PyTorch’s modules such as nn.EmbeddingBag and nn.Embedding functions to convert tokenized text into embeddings

Sep 15, 2021
Senthil Kumar

PyTorch Fundamentals for NLP - Part 1

AI/NLP
Programming/Python

This blog post explains the use of PyTorch for building a bow-based Text Classifier

Aug 28, 2021
Senthil Kumar

An Introduction to PyTorch Fundamentals for Training DL Models

AI/Foundations
Programming/Python

This blog post explains the basics of PyTorch Tensors, the workflow to train a 2 layer Neural Network for a vision dataset and track the progress in a Tensorboard

Aug 15, 2021
Senthil Kumar

How to train a Spacy NER Model

AI/NLP
AI/Foundations
Programming/Python

In this blog post, I cover the process of creating trained ML NER model from Unlabeled data

Jun 25, 2021
Senthil Kumar

How to Leverage Spacy Rules NER

AI/NLP
Programming/Python

This blog post outlines the important features in Spacy Rules NER

May 9, 2021
Senthil Kumar

An In-depth Technical View on BERT

AI/NLP

Part 2 - A deeper technical view of the BERT architecture

Dec 15, 2020
Senthil Kumar

A Bird’s Eye View of BERT

AI/NLP

Part 1 - My notes on how BERT works at a high level view

Nov 15, 2020
Senthil Kumar

Comparing Two Unsupervised Clustering Algorithms for Text Data

AI/Foundations
AI/NLP

A Short Study comparing PTW_LDA and Transfer Learning powered KMeans on Text Data

Sep 17, 2020
Senthil Kumar

Evolution of RNN Architectures for Transfer Learning

AI/Foundations
AI/NLP

Highlighting the non-mathematical essentials in the evolution of RNN architectures in Transfer Learning (before Transformer-based models came to the fore)

Jul 17, 2020
Senthil Kumar

The Theory of Word2Vec Algorithm

AI/NLP

This blog post attempts to explain one of the seminal algorithms in NLP for embedding creation

May 3, 2020
Senthil Kumar

Introduction to Statistical Language Modeling

Mathematics/Statistics

A gentle introduction to understand the ABCs of NLP in the era of Transformer LMs generating poems.

Mar 17, 2020
Senthil Kumar
No matching items