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Django Basics: Understanding the MTV Pattern and ORM

Table of Contents Introduction to Django Why Choose Django for Web Development The MTV Architecture in Django Model Template View Django ORM (Object-Relational Mapping) Introduction to ORM How Django ORM Works Querying the Database...

WebSocket Basics and Real-time Apps with FastAPI

Table of Contents Introduction to Real-time Communication What are WebSockets? HTTP vs WebSocket: Key Differences How WebSockets Work Introduction to FastAPI and WebSocket Support Setting Up FastAPI with WebSockets Example: Basic...

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Introduction to Flask and Building Your First Web Application

Table of Contents Introduction What is Flask? Why Choose Flask? Setting Up the Environment Installing Flask Your First Flask Web Application Understanding the Code Running and Testing Your Flask App Common Errors and...

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Data Integrity, Transactions, and Connection Pooling in Python

Table of Contents Introduction What is Data Integrity? Ensuring Data Integrity in Python Applications What are Database Transactions? ACID Properties Using Transactions in Python (SQLite, PostgreSQL) Connection Pooling Why is Connection Pooling...

Building Mini-Applications Using Databases: A Complete Guide for Python Developers

Table of Contents Introduction Why Build Mini-Applications? Setting Up the Environment Project 1: Simple To-Do List App (SQLite) Project Structure Database Schema CRUD Operations Sample Code Project 2: Contact Manager App (PostgreSQL) Project Structure Database...

Using ORM with SQLAlchemy: Complete Beginner to Advanced Guide

Table of Contents Introduction What is an ORM and Why Use It? Introduction to SQLAlchemy Installing SQLAlchemy Setting Up a Database with SQLAlchemy Core Concepts of SQLAlchemy ORM Declarative Base Mapping Classes...

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File Handling in Python: Text, Binary, JSON, CSV, and XML Files

Table of Contents Introduction Basics of File Handling in Python Working with Text Files Working with Binary Files Handling JSON Files Handling CSV Files Handling XML Files Best Practices in File Handling Common...

Building Plugins with Inheritance and Interfaces in Python

Table of Contents Introduction Why Use Plugins? Role of Inheritance and Interfaces in Plugin Architecture Setting Up a Plugin System: Step-by-Step Building a Basic Plugin System in Python Advanced Plugin...

SOLID Principles for Python Developers

Table of Contents Introduction What Are SOLID Principles? Why Are SOLID Principles Important? Deep Dive into Each SOLID Principle Single Responsibility Principle (SRP) Open/Closed Principle (OCP) Liskov Substitution Principle (LSP) Interface Segregation...

Design Patterns in Python (Factory, Observer, Singleton, and More)

Table of Contents Introduction What are Design Patterns? Why Use Design Patterns in Python? Categories of Design Patterns Creational Patterns Factory Pattern Singleton Pattern Structural Patterns Adapter Pattern Decorator Pattern Behavioral Patterns Observer Pattern Strategy Pattern Choosing the...

Modules, Packages, and Python Project Structure Best Practices

Table of Contents Introduction What is a Module in Python? Creating and Using Your Own Modules What is a Package in Python? Organizing Code into Packages The __init__.py File Explained Importing...

Working with Abstract Base Classes (ABC) and Interfaces in Python

Table of Contents Introduction What is an Abstract Base Class (ABC)? Importance of ABCs and Interfaces How to Define Abstract Base Classes in Python Abstract Methods and Concrete Methods Example...

Design Patterns in Python: Factory, Observer, Singleton, and More

Table of Contents Introduction What are Design Patterns? Importance of Design Patterns Categorization of Design Patterns Factory Pattern in Python Singleton Pattern in Python Observer Pattern in Python Other Important Patterns in...

Composition vs Inheritance in Python: When to Use Which

Table of Contents Introduction What is Inheritance? What is Composition? Inheritance vs Composition: Core Differences When to Use Inheritance When to Use Composition Practical Examples: Inheritance vs Composition Benefits and Drawbacks of...

Multiple Inheritance and MRO (Method Resolution Order) in Python

Table of Contents Introduction to Multiple Inheritance How Multiple Inheritance Works in Python Potential Issues with Multiple Inheritance Understanding MRO (Method Resolution Order) The super() Function and MRO C3 Linearization...

Abstract Classes and Interfaces in Python (Using the abc Module)

Table of Contents Introduction to Abstract Classes and Interfaces Why Use Abstract Classes? Understanding the abc Module Creating Abstract Classes Defining Abstract Methods Abstract Properties Abstract Classes vs Interfaces: Conceptual Differences Practical...

Operator Overloading (Magic/Dunder Methods) in Python

Table of Contents Introduction to Operator Overloading What Are Magic/Dunder Methods? Why Use Operator Overloading? Common Magic Methods for Operator Overloading Practical Examples of Operator Overloading Best Practices for Operator...

Encapsulation, Properties, and Getters/Setters in Python

Table of Contents Introduction to Encapsulation Why Encapsulation Matters Achieving Encapsulation in Python Public, Protected, and Private Attributes Properties in Python Getters and Setters Explained Using @property Decorators Practical Examples Best Practices for...