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Key Features
Technology Stack
Architecture Overview
Implementation Steps

How SaaS is Revolutionizing the Software Industry
The Rise of SaaS: A Shift in Software Delivery
The Subscription Model Revolution
Why SaaS is Dominating the Market
Challenges in the SaaS Era

Middleware in the Frontend:
Middleware in State Management (Redux as an Example)
Middleware in API Calls and Data Handling
Middleware in Routing

Introduction
Why API Integration Testing Matters
Core Responsibilities of QA in API Integration Testing
Best Practices for Effective API Integration Testing
Recommended Tools for API Integration Testing

Data Fetching in React
Introduction to RTK Query
Key Features of RTK Query
Integrating RTK Query with a React Application
Hands-on: Using RTK Query to Fetch and Manage Data in a React Application

REST vs. GraphQL: Choosing the Right API for Your Needs
What is REST?
Key Features of REST:
What is GraphQL?
Example of a GraphQL query:

How does Pydantic work in Python?
Why Use Pydantic?
Getting Started with Pydantic
Automatic Type Conversion

What is Express.js? A Popular Web Framework for Node.js
Routing in Express.js: Handling HTTP Requests and Responses
Middleware: Customizing Request and Response Handling
Hands-on: Building a Basic API Using Express.js

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