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Print statement in Python

Python Cheatsheet ✅

Relatable? 😂

Frontend web development:

https://www.w3schools.com/html

https://www.w3schools.com/css

https://www.jschallenger.com

https://javascript30.com

https://t.me/webdevcoursefree/110

https://t.me/Programming_experts/107

Backend development:

https://learnpython.org/

https://t.me/pythondevelopersindia/314

https://www.geeksforgeeks.org/java/

https://introcs.cs.princeton.edu/java/11cheatsheet/

https://docs.microsoft.com/en-us/shows/beginners-series-to-nodejs/?languages=nodejs

Database:

https://mode.com/sql-tutorial/introduction-to-sql

https://www.sqltutorial.org/wp-content/uploads/2016/04/SQL-cheat-sheet.pdf

https://books.goalkicker.com/MySQLBook/MySQLNotesForProfessionals.pdf

https://docs.oracle.com/cd/B19306_01/server.102/b14200.pdf

https://leetcode.com/problemset/database/

Cloud Computing:

https://bit.ly/3aoxt1N

https://t.me/free4unow_backup/366

UI/UX:

https://www.freecodecamp.org/learn/responsive-web-design/

https://bit.ly/3r6F9xE

ENJOY LEARNING 👍👍

👋 Hello world in most popular languages

Python Summary 👆

Python Cheatsheet 👆

List vs Set

Java Resources

😂😂

_Operating System RoadMap
|
|-- Kernel
| |-- Memory Management
| | |-- Paging
| | |-- Segmentation
| | |-- Virtual Memory
| |
| |-- Process Management
| | |-- Process Scheduling
| | |-- Inter-Process Communication (IPC)
| | |-- Threads
| |
| |-- File System
| | |-- File I/O
| | |-- Directory Structure
| | |-- File Permissions
| |
| |-- Device Drivers
| | |-- Communication with Hardware
| | |-- Input/Output (I/O)
| |
| |-- System Calls
| |-- Interface to Kernel Functionality
| |-- Examples: open(), read(), write(), etc.
|
|-- Memory Management
| |-- RAM
| | |-- Stack
| | |-- Heap
| | |-- Data Segment
| | |-- Code Segment
| |
| |-- Cache
| | |-- L1, L2, L3 Caches
| |
| |-- Virtual Memory
| |-- Page Table
| |-- Page Replacement Algorithms
| |-- Swapping
|
|-- File System
| |-- File Organization
| |-- File Allocation Table (FAT)
| |-- Inodes
| |-- File Access Methods
|
|-- Networking
| |-- TCP/IP
| |-- Protocols
| |-- Network Stack
| |-- Routing
| |-- Firewalls
|
|-- Security
| |-- Authentication
| |-- Authorization
| |-- Encryption
| |-- Access Control Lists (ACL)
|
|-- Process Management
| |-- PCB (Process Control Block)
| |-- Context Switching
| |-- Deadlocks
| |-- Synchronization
| |-- Mutual Exclusion
|
|-- Device Management
| |-- I/O Buffering
| |-- Device Controllers
| |-- Interrupt Handling
| |-- DMA (Direct Memory Access)
|
|-- User Interface
| |-- Graphical User Interface (GUI)
| |-- Command Line Interface (CLI)
| |-- Windowing Systems
|
|-- Shell
| |-- Command Interpreter
| |-- Scripting
| |-- Job Control
|
|-- System Utilities
| |-- Task Manager
| |-- Disk Cleanup
| |-- System Monitor
| |-- Backup and Restore
|
|-- Boot Process
| |-- BIOS/UEFI
| |-- Boot Loader
| |-- Kernel Initialization
| |-- Init Process
|
|-- System Libraries
| |-- Standard C Library
| |-- POSIX Library
| |-- WinAPI (for Windows)
|
|-- System Calls
| |-- File System Calls
| |-- Process Control Calls
| |-- Memory Management Calls
| |-- Communication Calls
|
|-- Error Handling
| |-- Error Codes
| |-- Logging
| |-- Recovery Strategies
|
|-- Distributed Systems
| |-- Clustering
| |-- Load Balancing
| |-- Distributed File Systems
|
|-- Cloud Computing
| |-- Virtualization
| |-- Infrastructure as a Service (IaaS)
| |-- Platform as a Service (PaaS)
| |-- Software as a Service (SaaS)
|
└-- Comments
|-- // Single-line comment
└-- /* Multi-line comment */

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Python Roadmap: 🗺

📂 Basics
 ∟📂 Data Types & Variables
 ∟📂 Operators & Expressions
 ∟📂 Control Flow (if, loops)
  ∟📂 Functions & Modules
   ∟📂 File Handling
    ∟📂 OOP (Classes & Objects)
     ∟📂 Exception Handling
      
∟📂 Advanced Topics (Decorators, Generators)
 ∟📂 Libraries (NumPy, Pandas, Matplotlib)
 ∟📂 Web Scraping / API Integration
 ∟📂 Frameworks (Flask/Django)
  ∟📂 Automation & Scripting
   ∟📂 Projects
    ∟ ✅ Apply For Job

Like if you need a detailed explanation step-by-step ❤️

Top 40 commonly asked DSA questions :

𝗔𝗿𝗿𝗮𝘆𝘀 𝗮𝗻𝗱 𝗦𝘁𝗿𝗶𝗻𝗴𝘀:
1. Find the missing number in an array of integers.
2. Implement an algorithm to rotate an array.
3. Check if a string is a palindrome.
4. Find the first non-repeating character in a string.
5. Implement an algorithm to reverse a linked list.
6. Merge two sorted arrays.
7. Implement a stack using arrays/linked list.
8. Write a program to remove duplicates from a sorted array.

𝗟𝗶𝗻𝗸𝗲𝗱 𝗟𝗶𝘀𝘁𝘀:
1. Detect a cycle in a linked list.
2. Find the intersection point of two linked lists.
3. Reverse a linked list in groups of k.
4. Implement a function to add two numbers represented by linked lists.
5. Clone a linked list with next and random pointer.

𝗧𝗿𝗲𝗲𝘀 𝗮𝗻𝗱 𝗕𝗶𝗻𝗮𝗿𝘆 𝗦𝗲𝗮𝗿𝗰𝗵 𝗧𝗿𝗲𝗲𝘀 (𝗕𝗦𝗧):
1. Find the height of a binary tree.
2. Check if a binary tree is balanced.
3. Find the lowest common ancestor in a binary tree.
4. Serialize and deserialize a binary tree.
5. Implement an algorithm for in-order traversal without recursion.
6. Convert a BST to a sorted doubly linked list.

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All the best 👍👍

Data Structures that make databases fast and scalable ✅