Welcome, Developer 👨‍💻

Welcome to my developer-focused blog! Whether you’re just starting out or are an experienced coder, this space is designed to help you find quick references, cheat sheets, and practical tips for various programming languages and tools. Here, you’ll find guides that break down complex concepts into easy-to-understand examples, saving you time and boosting your productivity. My goal is to share valuable resources that streamline your coding journey, whether you’re working on personal projects, preparing for interviews, or learning new technologies. Dive in, explore different topics, and feel free to use this blog as your go-to reference. Happy coding!

RA (Relational Algebra) - Complete Reference

A complete reference for relational algebra covering selection, projection, joins, set operations, and database manipulation with practical examples.

January 10, 2025 · 13 min · 2638 words · Nirajan Khatiwada

DDL (Data Definition Language) - Complete Guide

A complete reference for DDL (Data Definition Language) commands covering database operations, table creation, constraints, and relationships.

January 15, 2025 · 5 min · 856 words · Nirajan Khatiwada

DML (Data Manipulation Language) - Complete Guide

A complete reference for DML (Data Manipulation Language) commands covering INSERT, UPDATE, and DELETE operations with detailed examples.

January 20, 2025 · 2 min · 421 words · Nirajan Khatiwada

DQL (Data Query Language) - Complete SQL Guide

Complete reference for DQL (Data Query Language) covering SELECT statements, joins, aggregate functions, subqueries, and advanced SQL operations.

January 25, 2025 · 10 min · 2073 words · Nirajan Khatiwada

ER to Relational Database Conversion: Complete Guide with SQL Examples

Comprehensive guide covering ER to relational database conversion including one-to-one, one-to-many, and many-to-many relationships with complete SQL examples and querying techniques.

January 25, 2025 · 5 min · 950 words · Nirajan Khatiwada

A Complete Guide to Auth in React with Axios, JWT and Context API

Learn how to build a secure authentication system in React using JWT, Axios, and Context API. Includes token refresh, route protection, and role-based access.

June 20, 2025 · 5 min · 883 words · Nirajan Khatiwada

React 19 New Features

A detailed guide to the new features in React 19, focusing on the useId hook for accessibility and the use API for context consumption.

May 18, 2025 · 3 min · 428 words · Nirajan Khatiwada

A Complete Guide to Channels in Django

A comprehensive guide on how to use Channels in Django for real-time applications, including WebSockets, consumers, and routing.

May 16, 2025 · 11 min · 2154 words · Nirajan Khatiwada

DRF DAY 6

A detailed guide Hyperlinked Identity Field and Hyperlinked Related Field in Django Rest Framework.

May 10, 2025 · 5 min · 911 words · Nirajan Khatiwada

DRF - DAY 5

Understand how to use Parsers, Renderers, and Pagination in Django Rest Framework to handle request data, response formats, and large datasets efficiently.

March 28, 2025 · 7 min · 1483 words · Nirajan Khatiwada