Python

Table of Contents Introduction Why PostgreSQL for Python Applications? What is psycopg2? Installing psycopg2 Connecting to a PostgreSQL Database Creating Tables in PostgreSQL with psycopg2 Performing CRUD Operations Insert Data Read Data Update Data Delete...

Table of Contents Introduction Why Use SQLite with Python? Setting Up SQLite in Python Creating a Database and Table Inserting Data (Create Operation) Retrieving Data (Read Operation) Updating Data (Update Operation) Deleting...

Table of Contents Introduction What is a Database? Why Databases Are Essential Types of Databases Relational Databases (SQL) What is a Relational Database? Features of Relational Databases Popular Relational Database Systems Strengths and...

Table of Contents Introduction What is Serialization? Why Serialization is Important Overview of Serialization Modules in Python Pickle Module What is Pickle? How to Pickle Data How to Unpickle Data Pickle Protocol Versions Security...

Table of Contents Introduction What are Context Managers? The Traditional Way vs Context Managers Using with Statement for File Handling How Context Managers Work Internally Creating Custom Context Managers Contextlib Module...

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...

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...

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...

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...

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...

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...

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...