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Articles Published By kishan kumar
Kishan Kumar
20 October, 2025
.NET 8 Dependency Injection: A Beginner’s Guide to Keyed Services
Learn how to use Keyed Services in .NET 8 to manage multiple implementations of the same interface cleanly. Discover real-world examples, enum-based keys, and best practices for cleaner Dependency Injection.
9 min read
.NET 8
Dependency Injection
Keyed Services
Kishan Kumar
03 October, 2025
Transient vs Scoped vs Singleton in .NET: Simple Guide for Developers
Learn when to use Transient, Scoped, or Singleton in .NET. A beginner-friendly guide to Dependency Injection lifetimes with real examples and best practices.
10 min read
Dependency Injection
Service Lifetimes
Software Architecture
Kishan Kumar
04 October, 2025
Automate Your .NET DI Setup with Scrutor (Step-by-Step Guide)
Learn how to use Scrutor in .NET to automatically register dependencies and simplify your DI setup. This step-by-step guide covers setup, lifetimes, conventions, and best practices for clean architecture.
10 min read
Dependency Injection
Scrutor
Clean Architecture
Kishan Kumar
02 October, 2025
Dependency Injection in ASP.NET Core (For Absolute Beginners)
Learn the fundamentals of Dependency Injection in ASP.NET Core. A beginner-friendly guide to DI with real examples and best practices.
9 min read
Dependency Injection
.NET 8
Clean Architecture
Kishan Kumar
05 October, 2025
Middleware in ASP.NET Core: Beginner’s Complete Guide
Learn everything about Middleware in ASP.NET Core! Understand request pipelines, built-in and custom middleware, execution order, and best practices for building scalable Web APIs.
10 min read
Middleware
ASP.NET Core
Web API
Request Pipeline
Kishan Kumar
06 October, 2025
How to Use FluentValidation in ASP.NET Core: Write Powerful and Clean Validations
Learn how to use FluentValidation in ASP.NET Core to build clean and powerful validation logic. Understand why it’s better than Data Annotations with real examples and step-by-step setup.
10 min read
FluentValidation
ASP.NET Core
Validation
Clean Architecture
Kishan Kumar
01 October, 2025
IEnumerable vs IQueryable in C#: Explained with Examples (Beginner’s Guide)
Learn the real difference between IEnumerable and IQueryable in C#. Understand how they work, when to use which, and how they impact performance with practical examples.
11 min read
IEnumerable
IQueryable
C#
Kishan Kumar
02 October, 2025
How JWT (JSON Web Token) Works: Simple Guide for Developers
Learn what JWT (JSON Web Token) is, how it works, and why it's the go-to method for secure, stateless authentication in modern web apps and APIs.
14 min read
JWT
JSON Web Token
Authentication
Security
Kishan Kumar
02 October, 2025
SQL Query Optimization: Tips to Speed Up Your Database
Learn how to optimize SQL queries to speed up your database performance. Understand the importance of indexes, joins, and proper query structure with real examples and best practices.
10 min read
SQL
Query Optimization
Database
Performance
Kishan Kumar
02 October, 2025
SOLID Principles in C#: Beginner-Friendly Guide to Clean Code
Learn SOLID principles in C# with easy-to-understand examples. Master SRP, OCP, LSP, ISP, and DIP to write clean, maintainable, and scalable code.
13 min read
SOLID Principles
C#
Kishan Kumar
30 December, 2025
Build High-Performance APIs with .NET Minimal APIs (Beginner Friendly Guide)
Build fast and scalable APIs using .NET Minimal APIs. A beginner friendly guide with clear explanations, real world examples, and proven performance best practices.
12 min read
.NET
Minimal APIs
Backend Development
Kishan Kumar
04 January, 2026
What Is Docker? A Beginner-Friendly Guide with Real CI/CD Examples
Struggling to understand Docker? Learn what Docker is, how containers work, and how Docker fits into CI/CD pipelines with simple real-world examples.
11 min read
Docker
CI/CD
DevOps
Kishan Kumar
07 January, 2026
Microsoft Agent Framework Tutorial: Build AI Agents and Workflows in .NET
Learn how to build AI agent workflows in .NET using Microsoft Agent Framework. Step-by-step beginner-friendly tutorial with real-world examples.
13 min read
.NET
AI Workflows
Agentic AI
Kishan Kumar
09 January, 2026
Why Your Database Is Slow (And It’s Not the Query)
Database performance starts at schema design, not query tuning. Learn how normalization, data types, indexes, and constraints shape long-term scalability.
13 min read
database schema design
backend performance
best practices
Kishan Kumar
12 January, 2026
Why SELECT Is Not Executed First in SQL (Beginner Guide)
Learn the real SQL execution order step by step. Understand why SELECT runs last, avoid common mistakes, and ace SQL interviews with clarity.
15 min read
sql execution order
sql where vs having
sql interview questions
Kishan Kumar
14 January, 2026
Understanding Events in C#: From Basics to Real-World Usage
Learn C# events step by step with real-world examples. Understand how events work, why they matter, and how to use them cleanly in real applications.
11 min read
c# events
event-driven programming
eventhandler in c#
Kishan Kumar
16 January, 2026
Static Classes in C#: A Complete Beginner-to-Pro Guide
Learn static classes in C# with real-world examples. Understand when to use them, common pitfalls, DI issues, and best practices for clean code.
12 min read
static class in c#
c# interview questions
static constructor c#
Kishan Kumar
27 January, 2026
Task Parallel Library Explained: The Secret to ASP.NET Core Performance
Learn how the Task Parallel Library powers ASP.NET Core's async performance. Master async/await patterns, avoid common pitfalls, and build scalable web applications.
14 min read
Task Parallel Library
async await in C#
C# asynchronous programming
Kishan Kumar
02 February, 2026
Essential Security Headers Every .NET Developer Should Implement
Protect your .NET app with HTTP security headers. Step-by-step guide to implementing CSP, HSTS, and more. Beginner-friendly with real code examples.
13 min read
security-headers
secure asp.net core app
web-security
Kishan Kumar
09 February, 2026
Structured Logging with Serilog in .NET: A Practical Guide
Learn how to implement structured logging in .NET using Serilog. Step-by-step guide with practical examples, sinks configuration, and Seq integration for better log management.
14 min read
Serilog
Structured Logging
Logging Best Practices
Kishan Kumar
12 February, 2026
The Complete EF Core Bulk Operations Guide: BulkInsert, BulkUpdate, BulkMerge & More
Struggling with slow EF Core bulk operations? Learn how Entity Framework Extensions cuts insert/update/delete times by up to 95% with BulkInsert, BulkUpdate, and more.
14 min read
Entity Framework Core
Bulk Operations
Database Performance
Kishan Kumar
15 February, 2026
Build Bulletproof APIs: Global Exception Handling in .NET 10
Master exception handling in ASP.NET Core .NET 10. Learn IExceptionHandler, custom exceptions, ProblemDetails, handler chaining, and SuppressDiagnosticsCallback for production-ready APIs.
14 min read
.NET 10
Exception Handling
IExceptionHandler
Kishan Kumar
14 March, 2026
The ASP.NET Core Options Pattern: Stop Reading Config Like It's 2015
Stop injecting IConfiguration everywhere. Learn how the ASP.NET Core Options Pattern gives you type-safe, validated, reloadable config and which interface to actually use in production.
10 min read
.NET
Options Pattern
Configuration Management
Kishan Kumar
21 March, 2026
What Is a Delegate in C#? A Beginner's Guide With Real Examples
Learn C# delegates from scratch: what they are, how to declare and invoke them, multicast chaining, and when to use Func vs Action. With real examples.
9 min read
C# delegates
Callback Functions
Func vs Action
Kishan Kumar
27 March, 2026
Adapter Pattern in ASP.NET Core: Real-World Examples for Beginners
Learn how to use the Adapter Pattern in .NET to cleanly integrate third-party APIs, swap providers without touching business logic, and write more testable code. Real examples included.
9 min read
adapter pattern
design patterns csharp
.net design patterns
Kishan Kumar
03 April, 2026
Implementing Two-Factor Authentication (2FA) in .NET with TOTP and QR Codes
Learn how to implement Two-Factor Authentication (2FA) in .NET using TOTP, QR codes, and ASP.NET Core Minimal APIs. Covers the full setup flow, login flow, replay prevention, secret encryption, and recovery codes.
11 min read
two-factor-authentication
2fa dotnet
TOTP csharp
Kishan Kumar
08 April, 2026
Claude Code for Large Codebases: A Practical Guide to Autonomous Coding Tasks
Master Claude Code for large codebases: learn how agentic AI handles autonomous coding tasks, multi-file refactors, and CI workflows with practical setup tips and best practices.
11 min read
Claude Code
AI coding tools
developer productivity
Kishan Kumar
12 April, 2026
Rate Limiting in ASP.NET Core: A Beginner-Friendly Guide to All 4 Algorithms
Learn how to implement rate limiting in ASP.NET Core using the built-in middleware. Covers all 4 algorithms (fixed window, sliding window, token bucket, concurrency) with practical code examples.
11 min read
Rate Limiting
API Security
ASP.NET Core performance
Kishan Kumar
22 April, 2026
The Strategy Pattern in C#: Clean Up Your If-Else Chains for Good
Learn the Strategy Pattern in C# through a real-world notification system. Discover how to eliminate messy if-else chains, wire strategies with ASP.NET Core DI, and write code that's actually easy to extend.
9 min read
strategy pattern
design patterns csharp
behavioral design patterns
Kishan Kumar
26 April, 2026
Moving Beyond CAP: A Developer’s Guide to the PACELC Theorem
Explore the powerful PACELC theorem and learn exactly why the foundational CAP theorem is insufficient for modern software design. Understand the crucial engineering trade-offs between system latency and data consistency to build vastly better distributed web architectures.
13 min read
PACELC theorem
CAP theorem
distributed systems
Kishan Kumar
30 April, 2026
The Facade Pattern in .NET: Simplifying Complex Code
Master the Facade design pattern in C# and .NET. Learn how to simplify complex subsystem orchestration, write cleaner controllers, and improve code testability.
11 min read
facade pattern
design patterns csharp
structural design patterns
Kishan Kumar
01 May, 2026
The Caveman Prompt: How to Drastically Cut Your AI Token Costs
Learn how to drastically reduce your LLM API costs using Context Engineering and the Caveman Prompt. Discover practical strategies to optimize AI token usage today.
12 min read
AI Optimization
Prompt Engineering
Context Engineering
Kishan Kumar
03 May, 2026
Automating .NET 9 Deployments with GitHub Actions and OIDC
Learn how to build a robust, passwordless CI/CD pipeline for your .NET 9 applications using GitHub Actions, OIDC authentication, and Azure App Service.
13 min read
GitHub Actions
CICD
Azure App Service
Kishan Kumar
13 May, 2026
SQL Transactions Explained: Master the ACID Properties
Learn everything about SQL database transactions and ACID properties. A complete beginner's guide to using BEGIN, COMMIT, and ROLLBACK to prevent data corruption.
11 min read
SQL
ACID Properties
Database Transactions
Kishan Kumar
25 May, 2026
Building a Local AI Companion: Why OpenHuman is Changing the Game
Discover how local AI agents like OpenHuman are solving the AI amnesia problem. Learn about Memory Trees, proactive background fetching, token compression, and why developers are moving toward stateful, desktop-first AI architectures.
12 min read
AI Companion
OpenHuman
AI Agents
Kishan Kumar
28 May, 2026
The Ultimate Guide to Background Tasks in .NET: BackgroundService vs IHostedService
Learn the differences between IHostedService and BackgroundService in .NET. Discover real-world examples, avoid common production traps like captive dependencies, and build reliable background tasks.
12 min read
BackgroundService
IHostedService
.NET background tasks
Kishan Kumar
31 May, 2026
Vector Search for Beginners: Using pgvector with .NET Aspire
Learn how to build a powerful semantic vector search engine using PostgreSQL, pgvector, local machine learning models, and .NET Aspire without needing a dedicated vector database.
12 min read
vector search
pgvector
dotnet aspire
Kishan Kumar
03 June, 2026
Supercharge Your AI Assistant with .NET Agent Skills
Discover how .NET Agent Skills can supercharge your AI coding assistant. Learn to install plugins for Copilot and Cursor to write better C# code instantly.
11 min read
dotnet
AI coding
agent skills
Kishan Kumar
06 June, 2026
Stop Creating C# Projects: The Complete Guide to .NET 10 File-Based Apps
Learn how .NET 10 file-based apps allow you to write and run C# scripts without a project file. Discover real-world examples, directives, and modern scripting.
12 min read
C#
dotnet 10
file based apps
Kishan Kumar
10 June, 2026
The Ultimate Guide to .NET Observability: Traces, Logs, and Metrics
Stop guessing why your .NET app is failing. Learn how to implement true observability using OpenTelemetry and Grafana Cloud to track traces, metrics, and logs.
14 min read
.net
opentelemetry
grafana
Kishan Kumar
13 June, 2026
Automating Code Reviews with CodeRabbit: A Developer's Complete Guide
Discover how CodeRabbit transforms code reviews using AI. Learn about its sandboxed analysis, custom YAML configurations, and powerful Model Context Protocol (MCP) integrations.
13 min read
CodeRabbit
AI Code Reviews
Productivity
Kishan Kumar
16 June, 2026
How to Scale a System From Zero to 10 Million Users: A Practical Guide
Learn how to scale a web app from zero to 10 million users. A practical guide on load balancing, database sharding, and avoiding premature optimization.
11 min read
System Design
Scalability
Backend Architecture
Kishan Kumar
19 June, 2026
How to Build a Life Admin AI Agent with OpenClaw
Learn how to build a locally hosted, autonomous life admin AI assistant using OpenClaw. This step by step guide covers memory management, WhatsApp integration, and background tasks.
13 min read
OpenClaw
AI Agents
Automation
Kishan Kumar
22 June, 2026
Top 8 Problem-Solving Patterns to Crush Your Coding Interviews
Struggling with coding interviews? Learn the 8 essential Data Structures and Algorithms (DSA) patterns in C# to solve complex problems with confidence.
15 min read
DSA
Coding Interviews
Algorithms
Kishan Kumar
25 June, 2026
The Complete Guide to Caching in ASP.NET Core: IMemoryCache, Redis, and HybridCache
Master caching in ASP.NET Core to build blazingly fast web applications. Learn IMemoryCache, Redis, the Cache-Aside pattern, avoiding cache stampedes, and the new HybridCache.
14 min read
ASP.NET Core
Caching
Performance