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OOPS in JAVA - Ultimate

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Is Redux Dead? Why I Kicked Redux Out of Our SaaS App

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Building a Scalable Real-Time Driver Tracking System

Building a Real-Time Delivery Tracking System Using Socket, Redis, Redis streams adapter, Kafka I recently worked on an exciting project for a client—a delivery app similar to Zomato, where users can track their driver's location live on a map. The ...

May 16, 20259 min read

OOPS in JS - Ultimate

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Time Complexity & Space Complexity Understand

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Production Level Context with Next.js (Typescript) 🔥

Connect 👋 Xam LinkedIn Setup First, let's create a file for defining the context (let's call it app-context.ts): import React from "react"; export interface ContextState { name: string; } export interface ContextDispatch { setName: React.D...

Jun 21, 20242 min read

Building a Chat with PDF - RAG Application - NextJS and NestJS

Connect 👋 Xam LinkedIn Repo 📚 DEMO Approach Introduction Ever wanted to chat with the content of a PDF, just like you do with ChatGPT? In this blog, I'll show you how I built a system that lets you do exactly that. We'll cover everything from ...

Jun 2, 20245 min read

Scaling Real-Time Communication with Redis Pub/Sub and Socket.IO

Problem Statement: In a scenario where multiple clients (users) need to communicate in real-time, a traditional approach of having a single server would not scale well. As the number of clients increases, the single server would become a bottleneck, ...

May 8, 202412 min read

Open/Closed Principle

Links REPO Linkedin Github Info : Single-responsibility principle - WikipediaInfo : Open–closed principle - Wikipedia software entities (classes, modules, functions, etc.) should be open for extension, but closed for modification";[1] that is, such a...

Apr 28, 20242 min read

Single Responsibility Principle

Links REPO Linkedin Github Info : Single-responsibility principle - Wikipedia The Single Responsibility Principle (SRP) is one of the SOLID principles of object-oriented programming. It states that a class should have only one reason to change. In ot...

Apr 27, 20243 min read

NestJS GraphQL: Code First Approach

In the previous article, we learned about the Schema First Approach for setting up GraphQL with NestJS. Now, we will explore the Code First Approach. In the Code First Approach, we define our GraphQL types and resolvers directly in TypeScript code in...

Mar 27, 20244 min read

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