🔹 Polymorphism in C++ — Approach 2 (Runtime Polymorphism) This video is part of my "C++ OOP & Class Relationships Explained" series 👇 It also connects to my Design Patterns in C++ playlist. 💡 The idea: Using inheritance and virtual functions to decide behavior at runtime. 🔥 Pros: >Very flexible >Enables working with different types via a base class >Ideal for large, scalable systems ⚠️ Cons: >Slightly slower due to virtual dispatch >Some optimizations (like inlining) may not apply 📌 Takeaway: This is the standard polymorphism approach in most real-world applications. 🎥 Watch here: https://lnkd.in/d9yw555P 📚 Design Patterns playlist: https://lnkd.in/dH73xkFW 📚 Full source code, UML diagrams, and notes are available on GitHub: https://lnkd.in/d7EmTwzr #cpp #oop #polymorphism #softwaredesign #designpatterns #programming

🔹 Polymorphism in C++ — Approach 3 (CRTP / Static Polymorphism) This video is part of my "C++ OOP & Class Relationships Explained" series 👇 It also connects to my Design Patterns in C++ playlist. 💡 The idea: Using templates to achieve polymorphism at compile time instead of runtime. ⚡ Pros: >Zero runtime overhead >No virtual calls >Better performance >More flexible than overloading ⚠️ Cons: >More complex syntax >Can increase code size 📌 Takeaway: Best suited for performance-critical systems. 🎥 Watch here: https://lnkd.in/d9yw555P 📚 Design Patterns playlist: https://lnkd.in/dH73xkFW 📚 Full source code, UML diagrams, and notes are available on GitHub: https://lnkd.in/d7EmTwzr #cpp #templates #crtp #performance #designpatterns #programming

🚀 MaxiCP: A Not So Mini Constraint Programming Solver MaxiCP is an open-source (MIT license) Constraint Programming (CP) solver written in Java, designed for tackling scheduling and vehicle routing problems. 🌐 Documentation: http://www.maxicp.org 💻 GitHub: https://lnkd.in/eKGvVq4J (give us a ⭐️) 📦 Maven: https://lnkd.in/efaAE3zW MaxiCP builds upon MiniCP (www.minicp.org), the lightweight solver widely used for teaching, and extends it into a more powerful tool for education, research, and real-world applications. 🔑 Key Features • ⚡ Improved performance with delta-based propagation, optimized data structures and algorithms, efficient black-box searches, LNS, VO-LNS, etc. • 📦 Extended set of global constraints (bin-packing, gcc, soft-gcc, cost-gcc, etc.) • 🚚 Sequence variables with optional visits for advanced vehicle routing and LNS-based heuristics • ⏱️ Conditional task interval variables with cumulative function expressions for scheduling • 🧩 Symbolic modeling layer with integrated search declaration • 🧵 Embarrassingly parallel search support

💡 𝐂#/.𝐍𝐄𝐓 - 𝗖𝗹𝗲𝗮𝗻 𝗖𝗼𝗱𝗲 𝗧𝗶𝗽 🔥 💎 𝗩𝗲𝗿𝘁𝗶𝗰𝗮𝗹 𝗖𝗼𝗱𝗶𝗻𝗴 𝗦𝘁𝘆𝗹𝗲 💡 𝗪𝗵𝗮𝘁 𝗜𝘀 𝗜𝘁? Vertical Coding Style is a formatting convention where each method call, property access, or operation in a chain is placed on its own line. This makes code taller but significantly more readable by showing each step clearly. 🔥 𝗞𝗲𝘆 𝗕𝗲𝗻𝗲𝗳𝗶𝘁𝘀 ◾ Easier Debugging - Quickly identify which line causes an error in method chains. ◾ Better Readability - Each operation is clearly visible without horizontal scrolling. ◾ Simplified Refactoring - Modify or remove specific steps without affecting others. ◾ Team Consistency - Code reviews become faster when everyone follows the same pattern. ✅ 𝗪𝗵𝗲𝗻 𝗧𝗼 𝗨𝘀𝗲? Use it for LINQ queries, fluent API calls, and method chaining. It's especially valuable in complex operations where understanding the flow matters most. Modern IDEs handle vertical formatting beautifully. #csharp #dotnet #programming #softwareengineering #softwaredevelopment

Free course on "Calculator implementation in C++ using Expression Grammar (context free grammar)" From Chapter 6 of the book "Programming: Principles and Practice using C++" by Bjarne Stroustrup. I have tried to share my learning experience while converting Expression Grammar into the Calculator program using C++. Hope, it will help people like me to understand the concepts in a faster way and help to resolve doubts. While coding the program, I am also sharing the thought process which goes on in developers mind. We will face compile-time, run-time errors and then we will resolve them using gdb debugger. Implementing Expression Grammar in C++ gives us a bit of understanding on how the parsing works. Instructor: Kashinath Chillal (Founder, Aloraq Software (OPC) Pvt. Ltd.) https://lnkd.in/gX8eXRK3

The SOLID principles are five essential guidelines most powerful foundations for enhance software design. Let’s break it down 👇 🔹 S — Single Responsibility Principle (SRP) A class should have only one reason to change. Keep your code focused and modular. This principle states that "A class should have only one reason to change" which means every class should have a single responsibility and keep your code focused and modular or single purpose within the software system. 🔹 O — Open/Closed Principle (OCP) This principle states that software entities should be open for extension but closed for modification. which means you should be able to extend behavior without breaking existing code. 🔹 L — Liskov Substitution Principle (LSP) According to this principle, "derived or child classes must be able to replace their base or parent classes". This ensures that any subclass can be used in place of its parent class without 🔹 I — Interface Segregation Principle (ISP) Don’t force a class to implement interfaces it doesn’t use. Keep interfaces small and specific. 🔹 D — Dependency Inversion Principle (DIP) Depend on abstractions, Principle in object-oriented design that states that "High-level modules should not depend on low-level modules. Both should depend on abstractions". means "Big parts of your program should not directly depend on small, detailed parts. This improves flexibility and testability. #SOLIDPrinciples #CleanCode #SoftwareEngineering #Python #Django #BackendDevelopment #CodingBestPractices #SystemDesign #Developers #Programming

Is your design really SOLID… or just working for now? Most systems don’t fail because of bad syntax—they fail because they’re rigid, tightly coupled, and impossible to evolve. The Interface Segregation Principle forces a powerful shift: stop depending on bulky, do-everything contracts and start designing small, focused interfaces that give you true flexibility, cleaner tests, and effortless change. When your code depends on behavior—not implementations—you unlock systems that scale without breaking. The real question is: can your design handle tomorrow’s requirements without a rewrite? https://lnkd.in/eRJTKMch #Java #SOLIDPrinciples #CleanCode #SoftwareDesign #SystemDesign #ObjectOrientedProgramming #OOP #InterfaceSegregation #DesignPatterns #CodingBestPractices #DeveloperMindset #ScalableSystems #TechLeadership #Programming #JavaDeveloper

Abstract Class vs Interface in C# Explained Simply This visual shows a clear comparison between abstract classes and interfaces in C#. On the left side, the abstract class demonstrates how we can define both complete methods and methods that must be implemented by derived classes, along with support for fields, constructors, and shared behavior. On the right side, the interface highlights how it acts as a contract by defining method signatures that any implementing class must follow, making it ideal for ensuring consistency across different and unrelated classes. The image also emphasizes a key concept where abstract classes represent an is a relationship and are used when classes share common logic, while interfaces represent a can do capability and are used to define behaviors that multiple classes can implement. Overall, it helps understand when to use each approach in real world C# development, especially in designing clean, scalable, and maintainable applications. #CSharp #DotNet #Programming #SoftwareDevelopment #CodingConcepts #OOP #LearnToCode #Developers #TechEducation #InterviewPreparation

🔹 Type Deduction in C++ (auto, decltype) This short video is part of my "C++ Programming Topics" series 👇 And also included in my broader learning playlist. 💡 The problem: Many developers either over-specify types or rely on guesswork when writing modern C++ code. This can lead to: -Verbose and harder-to-read code -Subtle bugs when types are not what you expect -Reduced flexibility when refactoring ❌ 📌 This is where type deduction becomes powerful: 👉 Let the compiler infer the correct type safely and efficiently. 💡 The solution: Using modern C++ features like auto, decltype, and template deduction: ✔️ Write cleaner and more concise code ✔️ Reduce redundancy ✔️ Let the compiler handle complexity ⚙️ Bonus insight from the video: You’ll see how type deduction works in different scenarios: 1️⃣ auto Great for simplifying variable declarations Improves readability when types are obvious 2️⃣ decltype Useful when you need the exact type of an expression Helps in advanced template and generic programming 3️⃣ Template Type Deduction The core concept behind generic programming Enables flexible and reusable code 🎯 Key takeaway: Don’t fight the compiler—use it. Modern C++ gives you tools to write cleaner, safer, and more maintainable code. 🎥 Watch the video: https://lnkd.in/dZSDe2Pi 📚 Full playlist: https://lnkd.in/dDNVWvVC 📚 Source code, examples, and notes: https://lnkd.in/dy2Kp-4f #cpp #moderncpp #programming #softwareengineering #templates #cleancode

🚀 🧠 Logical Programming Series – Challenge 4 🔍 Problem Statement: Find the last occurrence of a non-repeating character in a given string. 💡 A non-repeating character is one that appears only once in the string. Your task is to identify the last such character based on its position. 📌 Example: Input: "swiss" Output: 'w' 👉 Explanation: 's' appears multiple times 'i' appears once 'w' appears once The last non-repeating character is 'w' 🧠 Approach: 1️⃣ Use a Dictionary to store character frequency 2️⃣ Traverse the string from right to left 3️⃣ Return the first character with frequency = 1 💻 C# Solution (Using Dictionary): using System; using System.Collections.Generic; class Program { static char? FindLastNonRepeating(string str) { Dictionary<char, int> freq = new Dictionary<char, int>(); // Step 1: Count frequency foreach (char ch in str) { if (freq.ContainsKey(ch)) freq[ch]++; else freq[ch] = 1; } // Step 2: Traverse from right for (int i = str.Length - 1; i >= 0; i--) { if (freq[str[i]] == 1) return str[i]; } return null; // No non-repeating character } static void Main() { string input = "swiss"; var result = FindLastNonRepeating(input); Console.WriteLine(result.HasValue ? result.ToString() : "No non-repeating character found"); } } ⚡ Time Complexity: O(n) ⚡ Space Complexity: O(n) 💬 Bonus Challenge: Can you solve this using LINQ or without extra space? #LogicalProgramming #CSharp #DotNet #CodingChallenge #ProblemSolving #DeveloperCommunity