Hi, I’m Sudhanshu Shekhar 👋

Dive into prompt injection, AI's top vulnerability. Learn how attackers manipulate LLMs to bypass safety, steal data, or perform unauthorized actions through clever, hidden commands.

Explore how vector databases power the next generation of AI, from RAG-enhanced LLMs to real-time fraud detection and multimodal search.

Dive into the world of vector databases, AI's secret weapon for understanding meaning and context, powering everything from smart search to advanced LLMs.

Discover how RAG is revolutionizing AI by blending retrieval and dynamic content generation.

In 2026, the secret to reliable AI isn't just a better sentence; it’s Context Engineering. Learn how to architect dynamic environments for autonomous agents.

A beginner-friendly guide to understanding embeddings, high-dimensional data, and how modern LLMs and LMMs like Gemini and GPT-4o use them to perceive the world.

An in-depth look at Large Multimodal Models (LMMs), comparing them with traditional LLMs, exploring real-world applications, and addressing common pitfalls in AI development.

Exploring the shift from traditional advertising to the subconscious brand-building power of the social media scroll.

Exploring the concept of crossing the barriers of life and death through digital synthesis.

A beginner-friendly guide to Model Context Protocol (MCP) and how it helps AI understand, manage, and securely access company data with context.

In this post, we are going to explore Markdown Prompting — a powerful way to get better answers from AI tools like ChatGPT, Gemini, and others.

Discover the latest features in C# that can boost your productivity as a .NET developer. Learn about new syntax improvements, performance enhancements, and modern capabilities introduced in recent C# versions.

In this post we will understand how working in a legacy project can also be fun and full of learning.

In this post we will see the code of sample nextjs application for uploading image to aws s3 bucket using presigned url.

In this post we will see the way to upload an image from nextjs application to aws s3 bucket using presigned url.

Nextjs is a widely used react framework for building a full stack app. In this post we will see how do we dockerize a nextjs application.

ServiceProvider is fundamental component of dependency injection framework in .NET. In this post we will explore the ServiceProvider and understand its role in Dependency Injection in .NET.

Nextjs is a popular framework for building web apps these days. In this post we will see how we can convert a nextjs app to a PWA(Progressive Web App) using a package next-pwa

ServiceDescriptor is another important class of dependency injection framework in .NET. In this post we will explore the ServiceDescriptor and understand its role in Dependency Injection in .NET.

ServiceCollection is a dependency injecton container class in .NET. In this post we will explore the ServiceCollection internals for a better understanding.

Cloud computing is the part of almost every project now. In this post we will familiarize ourselves with few common terminologies in AWS.

Solidjs and Qwik are two new frameworks gaining popularity these days due to the way they make the application performant. In this post let us go through the issues in react projects and then we will look at how these newer technologies are solving the issues.

HTTP GET and POST methods are the most common methods familiar to web developers. OPTIONS is another HTTP method worth exploring to get the information about available resources.

Rate limiting is a must have functionality in an Api for various reasons. Let us explore how do we implement it using redis and nodejs in simple steps.

In this post we are going to see how a react app works in a web browser.

In this post we will look into the steps to configure multiple environments with nodejs.

CAPTCHA is very important to protect our application by doing a test to prove that the user is a human and not a program or a bot using the application.

Implementing form validation is very common with any frontend technology. In this post we will see how to do a form validation without any external package in Nextjs app

With the popularity of RESTful APIs JSON has become a popular format to store data. In this post we will see how we can import the json data into excel.

AspNetCore is an open source cross platform framework for building modern, scalable and high-performance web applications.

Asp.Net WebApi is a framework to build RESTful services and in this post we will uncover the Authentication and Authorization in Asp.Net WebApi

In this post we would understand the process of doing authentication and authorization in asp.net mvc.

Authentication and Authorization are very important aspects of a web application to keep it secure.

AddControllers() method is an extension method that registers services used for the functioning of Controllers in an Mvc application.

The default web application created in .NET 7 from Visual Studio starts with the invocation of the CreateBuilder() method. Let us try to explore the important aspects of this method in this post.

Do you want to go deep inside aspnetcore and debug the source code from microsoft ?

Implementation of modal popup has become super easy with the introduction of <dialog> element in html. In this post let us implement a modal popup with native html <dialog> element.

The create-next-app command by default creates the app in JavaScript while creating a new project. In this post we will see how we can create a new app in TypeScript and also convert our existing app to TypeScript.

Do you know how to do audit in sql server ? Sql server 2016 had introduced temporal tables that helps in maintaining the history of the records.

gRPC is a modern high performance universal Remote Procedure Call Framework. It uses HTTP/2 protocol for communication and we will see some of the benefits of using HTTP/2 over the HTTP/1.1 protocol which has been there since a long time.

In this post we will see how to check the http protocol version used by any website or a web application in google chrome.

Content Security Policy is an HTTP Response Header that is returned from a website to prevent cross site scripting and click jacking attacks.

In this post we are going to see how do we build our projects and solutions from command line.

In this post we are going to edit and customize the default .csproj file and see our first MSBuild program in action.

In this post we are going to understand the basics of the MSBuild.

In this post we are going to see how an angular app works in a web browser.

The for loop in javascript has multiple flavours. Let us understand these in this post.

Do you always need to keep your script tag at the bottom of the html page ?

Do you know the different ways of defining a function in JavaScript ? Let us understand the different ways of defining a function in JavaScript

JavaScript Polyfill is code that implements the functionality not supported by certain browsers in a non-native way.

This post is not like a usual technical post. I wanted to share my blogging journey so far to motivate people who want to start their blogging journey.

Have you been thinking that null and undefined are both the same thing ? Well, not really. Let us understand the difference and uncover some interesting fats about them in this post.

array.reduce() method is yet another useful prototype method in JavaScript

Callback, Promise and Async/Await are the ways in which asynchonous operation is done in JavaScript.

SQL Server has some very useful system stored procedures to perform various activities in the database.

JavaScript is a prototype based language unlike the other class based languages where the classes are explicitly defined.

There are multiple ways of creating objects in JavaScript. We will explore the methods of object creation in JavaScript in this post.

In this post we are going to analys the insertion sort algorithm.

In this post we are going to understand the loop invariants and the correctness of insertion sort algorithm.

In this post we will look into the Insertion Sort Algorithm to sort and array of numbers.

In this post we are going to understand What is an Algorithm ?

Let us understand the usage of MERGE and USING in SQL to perform an UPSERT in SQL Server

We will look at getting stared with Python in Windows.

In this post we will look into how to generate SQL scripts from MS Excel.

Let us look into the Javascript array.of() method

In this post, we will be looking at the javascript array.isarray() method

In this article we will look the javascript array.from() method

Javascript Array functions are very helpful for web development

We will look at an inbuilt Javascript code editor in Google Chrome