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Coding Free Books | Python | AI

Coding Free Books | Python | AI

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Best Channel for Programmers and Hackers All in one channel to learn πŸ‘‡ 1. Python 2. Ethical Hacking 3. Java 4. App development 5. Machine learning 6. Data structures 7. Algorithms Promotions: @coderfun

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πŸ“ˆ Analytical overview of Telegram channel Coding Free Books | Python | AI

Channel Coding Free Books | Python | AI (@codingwithsagar) in the English language segment is an active participant. Currently, the community unites 30 849 subscribers, ranking 6 275 in the Education category and 14 061 in the India region.

πŸ“Š Audience metrics and dynamics

Since its creation on Π½Π΅Π²Ρ–Π΄ΠΎΠΌΠΎ, the project has demonstrated rapid growth, gathering an audience of 30 849 subscribers.

According to the latest data from 04 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by 270 over the last 30 days and by 6 over the last 24 hours, overall reach remains high.

  • Verification status: Not verified
  • Engagement rate (ER): The average audience engagement rate is 4.13%. Within the first 24 hours after publication, content typically collects 0.99% reactions from the total number of subscribers.
  • Post reach: On average, each post receives 1 275 views. Within the first day, a publication typically gains 305 views.
  • Reactions and interaction: The audience actively supports content: the average number of reactions per post is 11.
  • Thematic interests: Content is focused on key topics such as learning, link:-, css, algorithm, sql.

πŸ“ Description and content policy

The author describes the resource as a platform for expressing subjective opinions:
β€œBest Channel for Programmers and Hackers All in one channel to learn πŸ‘‡ 1. Python 2. Ethical Hacking 3. Java 4. App development 5. Machine learning 6. Data structures 7. Algorithms Promotions: @coderfun”

Thanks to the high frequency of updates (latest data received on 05 June, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Education category.

30 849
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There's a floating-point number in Python and you need to output it as a percentage - use the % format in the f-string x = .0
There's a floating-point number in Python and you need to output it as a percentage - use the % format in the f-string
x = .023
print(f'{x:.2%}')  # 2.30%

x = .02375
print(f'{x:.2%}')  # 2.38% -- rounded off!

x = 1.02375
print(f'{x:.2%}')  # 102.38%
πŸ‘‰ @PythonRe

βœ… Step-by-Step Approach to Learn Programming πŸ’»πŸš€ ➊ Pick a Programming Language Start with beginner-friendly languages that are widely used and have lots of resources. βœ” Python – Great for beginners, versatile (web, data, automation) βœ” JavaScript – Perfect for web development βœ” C++ / Java – Ideal if you're targeting DSA or competitive programming Goal: Be comfortable with syntax, writing small programs, and using an IDE. βž‹ Learn Basic Programming Concepts Understand the foundational building blocks of coding: βœ” Variables, data types βœ” Input/output βœ” Loops (for, while) βœ” Conditional statements (if/else) βœ” Functions and scope βœ” Error handling Tip: Use visual platforms like W3Schools, freeCodeCamp, or Sololearn. ➌ Understand Data Structures & Algorithms (DSA) βœ” Arrays, Strings βœ” Linked Lists, Stacks, Queues βœ” Hash Maps, Sets βœ” Trees, Graphs βœ” Sorting & Searching βœ” Recursion, Greedy, Backtracking βœ” Dynamic Programming Use GeeksforGeeks, NeetCode, or Striver's DSA Sheet. ➍ Practice Problem Solving Daily βœ” LeetCode (real interview Qs) βœ” HackerRank (step-by-step) βœ” Codeforces / AtCoder (competitive) Goal: Focus on logic, not just solutions. ➎ Build Mini Projects βœ” Calculator βœ” To-do list app βœ” Weather app (using APIs) βœ” Quiz app βœ” Rock-paper-scissors game Projects solidify your concepts. ➏ Learn Git & GitHub βœ” Initialize a repo βœ” Commit & push code βœ” Branch and merge βœ” Host projects on GitHub Must-have for collaboration. ➐ Learn Web Development Basics βœ” HTML – Structure βœ” CSS – Styling βœ” JavaScript – Interactivity Then explore: βœ” React.js βœ” Node.js + Express βœ” MongoDB / MySQL βž‘ Choose Your Career Path βœ” Web Dev (Frontend, Backend, Full Stack) βœ” App Dev (Flutter, Android) βœ” Data Science / ML βœ” DevOps / Cloud (AWS, Docker) βž’ Work on Real Projects & Internships βœ” Build a portfolio βœ” Clone real apps (Netflix UI, Amazon clone) βœ” Join hackathons βœ” Freelance or open source βœ” Apply for internships βž“ Stay Updated & Keep Improving βœ” Follow GitHub trends βœ” Dev YouTube channels (Fireship, etc.) βœ” Tech blogs (Dev.to, Medium) βœ” Communities (Discord, Reddit, X) 🎯 Remember: β€’ Consistency > Intensity β€’ Learn by building β€’ Debugging is learning β€’ Track progress weekly Useful WhatsApp Channels to Learn Programming Languages Python Programming: https://whatsapp.com/channel/0029VaiM08SDuMRaGKd9Wv0L JavaScript: https://whatsapp.com/channel/0029VavR9OxLtOjJTXrZNi32 C++ Programming: https://whatsapp.com/channel/0029VbBAimF4dTnJLn3Vkd3M Java Programming: https://whatsapp.com/channel/0029VamdH5mHAdNMHMSBwg1s πŸ‘ React β™₯️ for more

CVE | Cyber Vulnerabilities Exchange Group dedicated to sharing and discussing CVEs, zero-days, critical vulnerabilities, exploits, PoCs, and technical analyses of offensive and defensive security. What you'll find here: β€’ Newly disclosed CVEs β€’ Public and private exploits β€’ Technical analysis and bypasses β€’ Offensive/defensive security β€’ Penetration testing and red team discussions Technical, direct, and straightforward content. Channel=> https://t.me/cve0day Think. Break. Secure.

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πŸ’» Collection of cheat sheets on SQL I've gathered for you short and understandable cheat sheets on the main topics: ▢️ Basics of the SQL language; ▢️ JOINs with clear examples; ▢️ Window functions; ▢️ SQL for data analysis. An excellent set to refresh your knowledge before a job interview or quickly recall the syntax. tags: #sql #useful https://t.me/DataAnalyticsX

Master DSA πŸš€ DSA MASTER TREE β”‚ β”œβ”€β”€ 1. Foundations β”‚ β”œβ”€β”€ What is Data Structure β”‚ β”œβ”€β”€ What is Algorithm β”‚ β”œβ”€β”€ Time Complexity β”‚ β”‚ β”œβ”€β”€ Big-O β”‚ β”‚ β”œβ”€β”€ Big-Ξ© β”‚ β”‚ └── Big-Θ β”‚ β”œβ”€β”€ Space Complexity β”‚ └── Recurrence Relations β”‚ β”œβ”€β”€ 2. Mathematical Basics β”‚ β”œβ”€β”€ Logarithms β”‚ β”œβ”€β”€ Modular Arithmetic β”‚ β”œβ”€β”€ Prime Numbers β”‚ β”œβ”€β”€ GCD / LCM β”‚ └── Sieve of Eratosthenes β”‚ β”œβ”€β”€ 3. Arrays β”‚ β”œβ”€β”€ Traversal β”‚ β”œβ”€β”€ Searching β”‚ β”‚ β”œβ”€β”€ Linear Search β”‚ β”‚ └── Binary Search β”‚ β”œβ”€β”€ Prefix Sum β”‚ β”œβ”€β”€ Sliding Window β”‚ β”œβ”€β”€ Two Pointers β”‚ β”œβ”€β”€ Kadane’s Algorithm β”‚ └── Matrix / 2D Arrays β”‚ β”œβ”€β”€ 4. Strings β”‚ β”œβ”€β”€ String Manipulation β”‚ β”œβ”€β”€ Pattern Matching β”‚ β”‚ β”œβ”€β”€ Naive β”‚ β”‚ β”œβ”€β”€ KMP β”‚ β”‚ β”œβ”€β”€ Rabin-Karp β”‚ β”‚ └── Z Algorithm β”‚ β”œβ”€β”€ Palindrome Problems β”‚ β”œβ”€β”€ String Hashing β”‚ └── Trie β”‚ β”œβ”€β”€ 5. Linked Lists β”‚ β”œβ”€β”€ Singly Linked List β”‚ β”œβ”€β”€ Doubly Linked List β”‚ β”œβ”€β”€ Circular Linked List β”‚ β”œβ”€β”€ Reverse Linked List β”‚ β”œβ”€β”€ Cycle Detection (Floyd) β”‚ └── Merge Lists β”‚ β”œβ”€β”€ 6. Stack β”‚ β”œβ”€β”€ Stack Implementation β”‚ β”œβ”€β”€ Balanced Parentheses β”‚ β”œβ”€β”€ Next Greater Element β”‚ β”œβ”€β”€ Monotonic Stack β”‚ └── Min Stack β”‚ β”œβ”€β”€ 7. Queue β”‚ β”œβ”€β”€ Queue Implementation β”‚ β”œβ”€β”€ Circular Queue β”‚ β”œβ”€β”€ Deque β”‚ β”œβ”€β”€ Priority Queue β”‚ └── Monotonic Queue β”‚ β”œβ”€β”€ 8. Hashing β”‚ β”œβ”€β”€ Hash Tables β”‚ β”œβ”€β”€ Collision Handling β”‚ β”‚ β”œβ”€β”€ Chaining β”‚ β”‚ └── Open Addressing β”‚ β”œβ”€β”€ Load Factor β”‚ └── Rehashing β”‚ β”œβ”€β”€ 9. Trees β”‚ β”œβ”€β”€ Binary Tree β”‚ β”‚ β”œβ”€β”€ Traversals β”‚ β”‚ β”‚ β”œβ”€β”€ Inorder β”‚ β”‚ β”‚ β”œβ”€β”€ Preorder β”‚ β”‚ β”‚ └── Postorder β”‚ β”‚ β”œβ”€β”€ Height / Depth β”‚ β”‚ └── Diameter β”‚ β”œβ”€β”€ Binary Search Tree β”‚ β”œβ”€β”€ AVL Tree β”‚ β”œβ”€β”€ Red-Black Tree β”‚ β”œβ”€β”€ Segment Tree β”‚ β”œβ”€β”€ Fenwick Tree β”‚ └── Heap β”‚ β”œβ”€β”€ Min Heap β”‚ └── Max Heap β”‚ β”œβ”€β”€ 10. Graphs β”‚ β”œβ”€β”€ Graph Representation β”‚ β”‚ β”œβ”€β”€ Adjacency Matrix β”‚ β”‚ └── Adjacency List β”‚ β”œβ”€β”€ BFS β”‚ β”œβ”€β”€ DFS β”‚ β”œβ”€β”€ Topological Sort β”‚ β”œβ”€β”€ Cycle Detection β”‚ β”œβ”€β”€ Shortest Path β”‚ β”‚ β”œβ”€β”€ Dijkstra β”‚ β”‚ β”œβ”€β”€ Bellman-Ford β”‚ β”‚ └── Floyd-Warshall β”‚ β”œβ”€β”€ Minimum Spanning Tree β”‚ β”‚ β”œβ”€β”€ Kruskal β”‚ β”‚ └── Prim β”‚ └── Disjoint Set (Union-Find) β”‚ β”œβ”€β”€ 11. Recursion & Backtracking β”‚ β”œβ”€β”€ Recursion Basics β”‚ β”œβ”€β”€ Subsets β”‚ β”œβ”€β”€ Permutations β”‚ β”œβ”€β”€ N-Queens β”‚ └── Sudoku Solver β”‚ β”œβ”€β”€ 12. Greedy Algorithms β”‚ β”œβ”€β”€ Activity Selection β”‚ β”œβ”€β”€ Huffman Coding β”‚ β”œβ”€β”€ Fractional Knapsack β”‚ └── Job Scheduling β”‚ β”œβ”€β”€ 13. Dynamic Programming β”‚ β”œβ”€β”€ Memoization β”‚ β”œβ”€β”€ Tabulation β”‚ β”œβ”€β”€ 1D DP β”‚ β”œβ”€β”€ 2D DP β”‚ β”œβ”€β”€ Knapsack Variants β”‚ β”œβ”€β”€ Longest Common Subsequence β”‚ β”œβ”€β”€ Longest Increasing Subsequence β”‚ └── Matrix Chain Multiplication β”‚ β”œβ”€β”€ 14. Bit Manipulation β”‚ β”œβ”€β”€ Bitwise Operators β”‚ β”œβ”€β”€ Set / Clear Bits β”‚ β”œβ”€β”€ Count Set Bits β”‚ └── XOR Tricks β”‚ β”œβ”€β”€ 15. Advanced DSA β”‚ β”œβ”€β”€ Sparse Table β”‚ β”œβ”€β”€ Heavy-Light Decomposition β”‚ β”œβ”€β”€ Treap β”‚ β”œβ”€β”€ Splay Tree β”‚ └── Skip List β”‚ └── 16. Interview Patterns β”œβ”€β”€ Two Pointer Pattern β”œβ”€β”€ Sliding Window Pattern β”œβ”€β”€ Binary Search Pattern β”œβ”€β”€ BFS / DFS Pattern β”œβ”€β”€ Greedy Choice Pattern └── DP Pattern Recognition

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Introducing Python 2025.pdf12.34 MB

πŸš€ New Edge for Polymarket Traders: Oracle Lag Sniper A high-performance, open-source strategy repo is making waves right now
πŸš€ New Edge for Polymarket Traders: Oracle Lag Sniper A high-performance, open-source strategy repo is making waves right now among serious Polymarket users: the Oracle Lag Sniper. πŸ“ˆ Why it’s worth your attention: β€’ Exploits oracle timing inefficiencies β€’ Built for fast execution & precise entries β€’ Fully open-source, inspect, modify, and run it yourself πŸ”— Check out the repo here: Oracle Lag Sniper GitHub Want more early signals like this, plus private insights and rising strategies to stay ahead of the curve? Subscribe to Polymarket Analytics for exclusive access: Polymarket Analytics Pricing πŸ“Š Don’t just follow the market, get ahead of it.

http codes list.pdf8.95 KB

🧠 Code Review Checklist πŸ“› Naming clarity 🧱 Function size πŸ”„ Duplication πŸ” Security risks πŸ“Š Performance impact πŸ§ͺ Test coverage #techinfo

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Neural network from scratch in python.pdf42.65 MB

Here are some of the top Python frameworks for web development: 1. Django: A high-level framework that encourages rapid development and clean, pragmatic design. It includes a built-in admin interface, ORM, and many other features. 2. Flask: A micro-framework that is lightweight and easy to set up, making it a popular choice for small to medium-sized projects. It provides the essentials and leaves the rest to extensions. 3. FastAPI: Known for its high performance and ease of use, FastAPI is ideal for building APIs. It supports asynchronous programming and is built on standard Python type hints. 4. Pyramid: A flexible framework that can be used for both small applications and large-scale projects. It provides a minimalistic core with optional add-ons for added functionality. 5. Tornado: Designed for handling large numbers of simultaneous connections, making it a good choice for applications that require real-time capabilities. 6. Bottle: A very lightweight micro-framework that is perfect for small web applications. It is contained in a single file and has no dependencies other than the Python Standard Library. 7. CherryPy: An object-oriented framework that allows developers to build web applications in a similar way to writing other Python programs. It is minimalistic and easy to use. 8. Web2py: A full-stack framework that includes an integrated development environment, a web-based interface, and a web server. It emphasizes ease of use and rapid development. 9. Sanic: An asynchronous framework built for speed. It is designed to handle large volumes of traffic and is well-suited for building fast APIs. 10. Falcon: Another framework focused on building fast APIs. Falcon is lightweight and focuses on performance and reliability. Free Resources to learn web development https://t.me/free4unow_backup/554 Web Development Best Resources: https://topmate.io/coding/930165 ENJOY LEARNING πŸ‘πŸ‘

WiFi Passwords Source Code python.coder_ (3).py0.01 KB

Top 5 Projects to Build in Each Tech Role πŸ’‘ πŸ“ Hands-on projects that actually boost your resume! 1. Frontend Developer ❯ Personal Portfolio Website ❯ Weather App using APIs ❯ Responsive Blog Page ❯ E-commerce Product Page ❯ Quiz App with Timer 2. Backend Developer ❯ REST API for a To-Do App ❯ URL Shortener Service ❯ Authentication System (JWT/OAuth) ❯ File Upload System ❯ Chat Server using WebSockets 3. Full-Stack Developer ❯ Blogging Platform (MERN or Django+React) ❯ E-commerce Store ❯ Expense Tracker with Charts ❯ Job Board with Authentication ❯ Social Media Dashboard 4. Data Analyst ❯ Sales Dashboard (Power BI/Tableau) ❯ COVID-19 Data Analysis with Python ❯ Customer Churn Prediction ❯ Excel Dashboard (Pivot, Slicer) ❯ SQL Case Study (Joins + Aggregates) 5. Machine Learning Engineer ❯ House Price Prediction (Regression) ❯ Iris Flower Classification ❯ Sentiment Analysis on Tweets ❯ Image Classification (CNN) ❯ Movie Recommendation System 6. DevOps Engineer ❯ CI/CD Pipeline with GitHub Actions ❯ Dockerize a Web App ❯ Deploy App on AWS/GCP ❯ Kubernetes Cluster Setup ❯ Monitor App with Prometheus + Grafana React with ❀️ if you found this helpful! #coding #projects #career #development #programming

Theoretical Questions for Coding Interviews on Basic Data Structures 1. What is a Data Structure? A data structure is a way of organizing and storing data so that it can be accessed and modified efficiently. Common data structures include arrays, linked lists, stacks, queues, and trees. 2. What is an Array? An array is a collection of elements, each identified by an index. It has a fixed size and stores elements of the same type in contiguous memory locations. 3. What is a Linked List? A linked list is a linear data structure where elements (nodes) are stored non-contiguously. Each node contains a value and a reference (or link) to the next node. Unlike arrays, linked lists can grow dynamically. 4. What is a Stack? A stack is a linear data structure that follows the Last In, First Out (LIFO) principle. The most recently added element is the first one to be removed. Common operations include push (add an element) and pop (remove an element). 5. What is a Queue? A queue is a linear data structure that follows the First In, First Out (FIFO) principle. The first element added is the first one to be removed. Common operations include enqueue (add an element) and dequeue (remove an element). 6. What is a Binary Tree? A binary tree is a hierarchical data structure where each node has at most two children, usually referred to as the left and right child. It is used for efficient searching and sorting. 7. What is the difference between an array and a linked list? Array: Fixed size, elements stored in contiguous memory. Linked List: Dynamic size, elements stored non-contiguously, each node points to the next. 8. What is the time complexity for accessing an element in an array vs. a linked list? Array: O(1) for direct access by index. Linked List: O(n) for access, as you must traverse the list from the start to find an element. 9. What is the time complexity for inserting or deleting an element in an array vs. a linked list? Array: Insertion/Deletion at the end: O(1). Insertion/Deletion at the beginning or middle: O(n) because elements must be shifted. Linked List: Insertion/Deletion at the beginning: O(1). Insertion/Deletion in the middle or end: O(n), as you need to traverse the list. 10. What is a HashMap (or Dictionary)? A HashMap is a data structure that stores key-value pairs. It allows efficient lookups, insertions, and deletions using a hash function to map keys to values. Average time complexity for these operations is O(1). Coding interview: https://whatsapp.com/channel/0029VammZijATRSlLxywEC3X

DataStructure Notes.pdf16.89 MB

Sometimes reality outpaces expectations in the most unexpected ways. While global AI development seems increasingly fragmente
Sometimes reality outpaces expectations in the most unexpected ways. While global AI development seems increasingly fragmented, Sber just released Europe's largest open-source AI collectionβ€”full weights, code, and commercial rights included. βœ… No API paywalls. βœ… No usage restrictions. βœ… Just four complete model families ready to run in your private infrastructure, fine-tuned on your data, serving your specific needs. What makes this release remarkable isn't merely the technical prowess, but the quiet confidence behind sharing it openly when others are building walls. Find out more in the article from the developers. GigaChat Ultra Preview: 702B-parameter MoE model (36B active per token) with 128K context window. Trained from scratch, it outperforms DeepSeek V3.1 on specialized benchmarks while maintaining faster inference than previous flagships. Enterprise-ready with offline fine-tuning for secure environments. GitHub | HuggingFace GigaChat Lightning offers the opposite balance: compact yet powerful MoE architecture running on your laptop. It competes with Qwen3-4B in quality, matches the speed of Qwen3-1.7B, yet is significantly smarter and larger in parameter count. Lightning holds its own against the best open-source models in its class, outperforms comparable models on different tasks, and delivers ultra-fast inferenceβ€”making it ideal for scenarios where Ultra would be overkill and speed is critical. Plus, it features stable expert routing and a welcome bonus: 256K context support. GitHub | Hugging Face Kandinsky 5.0 brings a significant step forward in open generative models. The flagship Video Pro matches Veo 3 in visual quality and outperforms Wan 2.2-A14B, while Video Lite and Image Lite offer fast, lightweight alternatives for real-time use cases. The suite is powered by K-VAE 1.0, a high-efficiency open-source visual encoder that enables strong compression and serves as a solid base for training generative models. This stack balances performance, scalability, and practicalityβ€”whether you're building video pipelines or experimenting with multimodal generation. GitHub | Hugging Face | Technical report Audio gets its upgrade too: GigaAM-v3 delivers speech recognition model with 50% lower WER than Whisper-large-v3, trained on 700k hours of audio with punctuation/normalization for spontaneous speech. GitHub | HuggingFace Every model can be deployed on-premises, fine-tuned on your data, and used commercially. It's not just about catching up – it's about building sovereign AI infrastructure that belongs to everyone who needs it.

System Design Basics
System Design Basics

60 Generative AI Project Ideas
60 Generative AI Project Ideas

How to convert image to pdf in Python # Python3 program to convert image to pfd # using img2pdf library   # importing necessary libraries import img2pdf from PIL import Image import os   # storing image path img_path = "Input.png"   # storing pdf path pdf_path = "file_pdf.pdf"   # opening image image = Image.open(img_path)   # converting into chunks using img2pdf pdf_bytes = img2pdf.convert(image.filename)   # opening or creating pdf file file = open(pdf_path, "wb")   # writing pdf files with chunks file.write(pdf_bytes)   # closing image file image.close()   # closing pdf file file.close()   # output print("Successfully made pdf file") pip3 install pillow && pip3 install img2pdf

Tired of AI that refuses to help? @UnboundGPT_bot doesn't lecture. It just works. βœ“ Multiple models (GPT-4o, Gemini, DeepSeek)  βœ“ Image generation & editing  βœ“ Video creation  βœ“ Persistent memory  βœ“ Actually uncensored Free to try β†’ @UnboundGPT_bot or https://ko2bot.com