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DSA
Introduction
# Introduction to DSA: The Foundation of Efficient Problem Solving
Front End
Java Script
Core
What is JavaScript
GenAI & Agentic AI
RAG
Vector Databases
General
AI Era
# What Software Engineers Actually Need
Java
Core
Streams API
Functional Programming in Java
Threads
Virtual Threads
Examples
Print Hello WorldFizzBuzz
Spring
IoC ContainersDependency Injection
Spring Boot
1. What Spring Boot Really Does2. Auto-Configuration3. Starter Dependencies and Actuator4. # Spring Boot CLI, DevTools and Embedded ServerSpring Boot: Creating and Running Your First ApplicationSpring Data JPA6. # Understanding `@SpringBootApplication`: The Starting Point of a Spring Boot Application# Spring Boot Starters and Maven Dependency ManagementAutoconfiguration
Python
Core
Decorators
# Python Decorators: The Professional Guide to Writing Cleaner, Reusable, and Scalable Python Code
Files
File Handling5 Practical ProgramsBinary Files, CSVDirectory Operations
General
Python Types & Async
Object Serialization
Pickle vs JSON vs YAML Pickle, JSON, and YAML Programs
OOPs
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Home/Python/Core/Files

Files

  • 1. Python File Handling

    Master Python file handling with examples, file modes, text and binary files, CSV, ZIP, pickle, complexity, best practices, and interview tips.

  • 2. Python File Handling: 5 Practical Programs

    Learn Python file handling through practical programs covering read, write, append, file modes, tell(), seek(), large files, memory complexity, and interview questions.

  • 3. Python Binary Files, CSV Files, Zipping and Unzipping

    Learn Python binary file handling, CSV reading and writing, ZIP compression and extraction with practical examples, memory-efficient techniques, best practices, and interview questions.

  • 4. Python Directory Operations, File Statistics and os.system()

    Master Python directory operations with os.getcwd(), mkdir(), makedirs(), rmdir(), removedirs(), rename(), listdir(), walk(), stat(), and system() with practical examples and interview tips.