Rajesh Kumar

A Complete End-to-End Guide for High-Performance Data Access in ASP.NET Applications ⭐ PREFACE Modern ASP.NET applications rely heavily on databases—not just to store records, but to power…

1. What are finalizers, really? When you delete a Kubernetes object (CRD, Namespace, Pod, etc.), Kubernetes does not delete it immediately. Instead it: A finalizer is just…

Modern companies generate huge amounts of data, yet many still struggle to use it in a practical and timely way. Centralized setups slow decisions and overload a…

Hospitals depend on data the way hearts depend on rhythm. When that rhythm skips, outcomes suffer. Each dataset tells a patient’s story, and engineers shape how clearly…

Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…

✅ IIS-Only Performance Optimization Settings (Complete List) 1. Application Pool Settings (IIS Core) ✔ Start Mode ✔ Idle Time-out ✔ Worker Process Settings ✔ Recycling Settings 2….

0. First principle: measure before tuning Before touching settings: 1. OS & Hardware-level optimizations These are outside IIS but critical: 2. IIS application pool tuning 2.1 .NET…

ChatGPT Atlas 1. What is ChatGPT Atlas? ChatGPT Atlas is a new web browser developed by OpenAI that deeply integrates the ChatGPT conversational AI into the browser…

We’ll run RabbitMQ in Docker on an AWS EC2 instance, and use your Windows laptop for both the producer and consumer. I’ll walk you through: 1. Provision…

1. Big picture – why messaging in .NET? In modern .NET systems, you almost never want services talking to each other via direct HTTP calls only. Messaging…

Below is a complete, runnable .NET 8 demo where: You’ll be able to feel the difference. 1. Solution structure We’ll build this: Target: .NET 8.0 (works with…

Here’s a single, self-contained console app that lets you experience the difference between: You’ll see timing + GC stats for both in the same run. 1️⃣ Full…

This is a perfect demo topic. Here’s a single, self-contained console app that lets you feel the difference between: You’ll get timing + GC stats for both…

Here’s a single, self-contained console app you can run to see and feel the difference between: It includes: Works on any modern .NET (7/8/9/10+). 1️⃣ Full Code…

1. Install k6 on Windows You have a few options. I’ll show the two easiest: Option A – Using winget (recommended if available) Option B – Using…

📘 OWASP TOP 10 — COMPLETE IN-DEPTH GUIDE (BASIC → ADVANCED) Covers all 10 categories with: 🔥 A01 — BROKEN ACCESS CONTROL The #1 risk because access…

OWASP Top 10:2026 – Release Candidate (RC1) is the new draft version of the OWASP Top 10, published on 6 November 2026 as the 8th edition of…

Location intelligence has become a core requirement for modern digital products. Whether you’re building a delivery tracker, a ride-hailing platform, an on-demand service app, or a real-estate…

Instagram’s evolution from photo-sharing app to commerce powerhouse has made its data invaluable for businesses, marketers, and developers. Yet accessing this data has become increasingly complex as…

Think about how you talk to customers today. You may have a CRM, support tool, email system, chat widget, and a few internal dashboards. All of that…

An inefficient recruitment process brings hires who impact your performance. Thus, you want to use every strategy in the book to attract suitable candidates. Have you considered…

Financial forecasting is crucial in today’s world because it enables informed and timely decision-making. An overview of key metrics is necessary for effective financial forecasting. Among the…

🌍 The World of OWASP and the OWASP Top Ten A complete introductory tutorial 1. What is OWASP? OWASP stands for Open Worldwide Application Security Project.It’s a…

Let’s build a single, clean demo project that you can use in training as: It will show: Let’s build a single, clean demo project that you can…

While you don’t need a law degree to detect a bad contract, until recently, you did need $250–2000 — that’s how much lawyers typically charge to review…

The game industry never really slows down — but 2026 feels like a turning point. Players are harder to impress, expectations are sky-high, and technology is rewriting…

1. What Are Benchmarks? A benchmark is a controlled, repeatable experiment that measures the performance characteristics of a piece of code. A good benchmark answers questions like:…

We can do this with one self-contained minimal API that has: 1️⃣ Create the project Replace all contents of Program.cs with this: This single file gives you:…

Yes, we can absolutely do this in one self-contained program 👍You’ll be able to: Below is a single Program.cs you can drop into a new console app….