Coding Interview Resources
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This channel contains the free resources and solution of coding problems which are usually asked in the interviews.

Managed by: @love_data
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Python Advanced Project Ideas ๐Ÿ’ก
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Useful Ai tools
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๐Ÿš€ Roadmap to Become a Software Architect ๐Ÿ‘จโ€๐Ÿ’ป

๐Ÿ“‚ Programming & Development Fundamentals
โ€ƒโˆŸ๐Ÿ“‚ Master One or More Programming Languages (Java, C#, Python, etc.)
โ€ƒโ€ƒโˆŸ๐Ÿ“‚ Learn Data Structures & Algorithms
โ€ƒโ€ƒโ€ƒโˆŸ๐Ÿ“‚ Understand Design Patterns & Best Practices

๐Ÿ“‚ Software Design & Architecture Principles
โ€ƒโˆŸ๐Ÿ“‚ Learn SOLID Principles & Clean Code Practices
โ€ƒโ€ƒโˆŸ๐Ÿ“‚ Master Object-Oriented & Functional Design
โ€ƒโ€ƒโ€ƒโˆŸ๐Ÿ“‚ Understand Domain-Driven Design (DDD)

๐Ÿ“‚ System Design & Scalability
โ€ƒโˆŸ๐Ÿ“‚ Learn Microservices & Monolithic Architectures
โ€ƒโ€ƒโˆŸ๐Ÿ“‚ Understand Load Balancing, Caching & CDNs
โ€ƒโ€ƒโ€ƒโˆŸ๐Ÿ“‚ Dive into CAP Theorem & Event-Driven Architecture

๐Ÿ“‚ Databases & Storage Solutions
โ€ƒโˆŸ๐Ÿ“‚ Master SQL & NoSQL Databases
โ€ƒโ€ƒโˆŸ๐Ÿ“‚ Learn Database Scaling & Sharding Strategies
โ€ƒโ€ƒโ€ƒโˆŸ๐Ÿ“‚ Understand Data Warehousing & ETL Processes

๐Ÿ“‚ Cloud Computing & DevOps
โ€ƒโˆŸ๐Ÿ“‚ Learn Cloud Platforms (AWS, Azure, GCP)
โ€ƒโ€ƒโˆŸ๐Ÿ“‚ Understand CI/CD & Infrastructure as Code (IaC)
โ€ƒโ€ƒโ€ƒโˆŸ๐Ÿ“‚ Work with Containers & Kubernetes

๐Ÿ“‚ Security & Performance Optimization
โ€ƒโˆŸ๐Ÿ“‚ Master Secure Coding Practices
โ€ƒโ€ƒโˆŸ๐Ÿ“‚ Learn Authentication & Authorization (OAuth, JWT)
โ€ƒโ€ƒโ€ƒโˆŸ๐Ÿ“‚ Optimize System Performance & Reliability

๐Ÿ“‚ Project Management & Communication
โ€ƒโˆŸ๐Ÿ“‚ Work with Agile & Scrum Methodologies
โ€ƒโ€ƒโˆŸ๐Ÿ“‚ Collaborate with Cross-Functional Teams
โ€ƒโ€ƒโ€ƒโˆŸ๐Ÿ“‚ Improve Technical Documentation & Decision-Making

๐Ÿ“‚ Real-World Experience & Leadership
โ€ƒโˆŸ๐Ÿ“‚ Design & Build Scalable Software Systems
โ€ƒโ€ƒโˆŸ๐Ÿ“‚ Contribute to Open-Source & Architectural Discussions
โ€ƒโ€ƒโ€ƒโˆŸ๐Ÿ“‚ Mentor Developers & Lead Engineering Teams

๐Ÿ“‚ Interview Preparation & Career Growth
โ€ƒโˆŸ๐Ÿ“‚ Solve System Design Challenges
โ€ƒโ€ƒโˆŸ๐Ÿ“‚ Master Architectural Case Studies
โ€ƒโ€ƒโ€ƒโˆŸ๐Ÿ“‚ Network & Apply for Software Architect Roles

โœ… Get Hired as a Software Architect

React "โค๏ธ" for More ๐Ÿ‘จโ€๐Ÿ’ป
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Coding Algorithms ๐Ÿ‘†
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Data structures in Python - cheat sheet
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Coding Resources ๐Ÿ‘†
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Python Methods ๐Ÿ‘†
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Coding Interview โ€“ Essential Topics & Concepts ๐Ÿš€

1๏ธโƒฃ Data Structures

Arrays & Strings โ€“ Sliding window, Two pointers.

Linked Lists โ€“ Reversal, Merging, Cycle detection.

Stacks & Queues โ€“ Monotonic stack, Priority queue.

HashMaps & HashSets โ€“ Frequency counters, Two Sum problem.

Trees & Graphs โ€“ DFS, BFS, Binary Search Tree (BST), Dijkstraโ€™s Algorithm.


2๏ธโƒฃ Algorithms

Sorting โ€“ QuickSort, MergeSort, HeapSort.

Searching โ€“ Binary Search, Ternary Search.

Recursion & Backtracking โ€“ N-Queens, Subset sum.

Dynamic Programming (DP) โ€“ Fibonacci, Knapsack, Longest Common Subsequence (LCS).

Greedy Algorithms โ€“ Huffman coding, Activity selection.


3๏ธโƒฃ System Design Basics

Scalability & Load Balancing โ€“ Horizontal vs. Vertical Scaling.

Database Sharding & Indexing โ€“ Efficient data retrieval.

Microservices & Monolith โ€“ Pros & Cons.

Caching Strategies โ€“ Redis, Memcached.

Message Queues โ€“ Kafka, RabbitMQ.


4๏ธโƒฃ Coding Interview Strategies

Understand the Problem โ€“ Read carefully, ask clarifying questions.

Plan Your Approach โ€“ Write test cases, consider edge cases.

Write Clean Code โ€“ Follow best practices, use meaningful variable names.

Optimize Your Solution โ€“ Reduce time and space complexity.

Practice Mock Interviews โ€“ Platforms like LeetCode, CodeSignal, HackerRank.


5๏ธโƒฃ Common Interview Problems

Two Sum (Hashing)

Reverse a Linked List

Merge Intervals

LRU Cache (HashMap + Doubly Linked List)

Find Cycle in a Graph (DFS/BFS)

Word Ladder (BFS)

Longest Palindromic Substring (DP)

Free Coding Resources: https://whatsapp.com/channel/0029VammZijATRSlLxywEC3X

ENJOY LEARNING ๐Ÿ‘๐Ÿ‘
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๐Ÿ”ฐ Deep Python Roadmap for Beginners ๐Ÿ

Setup & Installation ๐Ÿ–ฅ๏ธโš™๏ธ
โ€ข Install Python, choose an IDE (VS Code, PyCharm)
โ€ข Set up virtual environments for project isolation ๐ŸŒŽ

Basic Syntax & Data Types ๐Ÿ“๐Ÿ”ข
โ€ข Learn variables, numbers, strings, booleans
โ€ข Understand comments, basic input/output, and simple expressions โœ๏ธ

Control Flow & Loops ๐Ÿ”„๐Ÿ”€
โ€ข Master conditionals (if, elif, else)
โ€ข Practice loops (for, while) and use control statements like break and continue ๐Ÿ‘ฎ

Functions & Scope โš™๏ธ๐ŸŽฏ
โ€ข Define functions with def and learn about parameters and return values
โ€ข Explore lambda functions, recursion, and variable scope ๐Ÿ“œ

Data Structures ๐Ÿ“Š๐Ÿ“š
โ€ข Work with lists, tuples, sets, and dictionaries
โ€ข Learn list comprehensions and built-in methods for data manipulation โš™๏ธ

Object-Oriented Programming (OOP) ๐Ÿ—๏ธ๐Ÿ‘ฉโ€๐Ÿ’ป
โ€ข Understand classes, objects, and methods
โ€ข Dive into inheritance, polymorphism, and encapsulation ๐Ÿ”

React "โค๏ธ" for Part 2
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Here are 10 popular programming languages based on versatile, widely-used, and in-demand languages:

1. Python โ€“ Ideal for beginners and professionals; used in web development, data analysis, AI, and more.

2. Java โ€“ A classic language for building enterprise applications, Android apps, and large-scale systems.

3. C โ€“ The foundation for many other languages; great for understanding low-level programming concepts.

4. C++ โ€“ Popular for game development, competitive programming, and performance-critical applications.

5. C# โ€“ Widely used for Windows applications, game development (Unity), and enterprise software.

6. Go (Golang) โ€“ A modern language designed for performance and scalability, popular in cloud services.

7. Rust โ€“ Known for its safety and performance, ideal for system-level programming.

8. Kotlin โ€“ The preferred language for Android development with modern features.

9. Swift โ€“ Used for developing iOS and macOS applications with simplicity and power.

10. PHP โ€“ A staple for web development, powering many websites and applications
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Coding Interview Resources
๐Ÿ”ฐ Deep Python Roadmap for Beginners ๐Ÿ Setup & Installation ๐Ÿ–ฅ๏ธโš™๏ธ โ€ข Install Python, choose an IDE (VS Code, PyCharm) โ€ข Set up virtual environments for project isolation ๐ŸŒŽ Basic Syntax & Data Types ๐Ÿ“๐Ÿ”ข โ€ข Learn variables, numbers, strings, booleans โ€ข Understandโ€ฆ
Part 2 of the Deep Python Roadmap for Beginners ๐Ÿ”ฐ

File Handling & Exceptions ๐Ÿ“‚๐Ÿšจ
โ€ข Read/write files (text, CSV, JSON)
โ€ข Use try/except/finally for error handling

Modules & Environments ๐Ÿ“ฆ๐ŸŒ
โ€ข Organize code with modules and packages
โ€ข Manage dependencies with pip and virtual environments

Advanced Concepts ๐Ÿ”ฅ๐Ÿ”
โ€ข Work with decorators, generators, and context managers

Testing & Debugging ๐Ÿžโœ…
โ€ข Write tests using unittest or pytest
โ€ข Utilize debugging tools and linters

APIs & Web Development ๐ŸŒ๐Ÿ”—
โ€ข Interact with RESTful APIs
โ€ข Start with frameworks like Flask or Django

Data Analysis & Visualization ๐Ÿ“Š๐ŸŽจ
โ€ข Use NumPy and Pandas for data handling
โ€ข Visualize with Matplotlib or Seaborn

Asynchronous Programming โฐ๐Ÿ”€
โ€ข Learn threading, multiprocessing, and async/await

Version Control & Deployment ๐Ÿ”๐Ÿš€
โ€ข Master Git basics and collaborative workflows
โ€ข Explore deployment strategies and CI/CD practices

Project Building & Community ๐Ÿ—๏ธ๐ŸŒ
โ€ข Build projects, contribute to open-source, and join communities

React โค๏ธ for more roadmaps
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๐Ÿ‘‹ Hello world in most popular languages
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