C++ Compilation, Memory, and Runtime with Assaf Tzur-El

🚀 Level Up Your Modern C++ Game: 4 Essential Reads! C++ has evolved dramatically in recent years. If you’re still writing code like it’s 2003, you’re missing out on the safety, efficiency, and power of the modern standards. To master the language today, you need resources that leverage C++20 and C++23. Here are four books I highly recommend for any developer's shelf: 1️⃣ Programming: Principles and Practice Using C++ (3rd Edition) By Bjarne Stroustrup Who better to learn from than the creator of the language himself? This isn't just about syntax, it’s about fundamental programming principles. The 3rd edition is fully updated for C++20 and C++23, focusing on real-world techniques rather than obscure technicalities. 2️⃣ C++ Software Design By Klaus Iglberger Writing code is easy, designing maintainable software is hard. This book is a masterclass in managing dependencies and abstractions. It bridges the gap between classic design patterns and modern C++ capabilities to help you build scalable systems. 3️⃣ C++ Memory Management By Patrice Roy Manual memory management is a double-edged sword. It offers unparalleled flexibility but can lead to critical errors if mishandled. Patrice Roy provides a deep dive into C++ memory mechanisms, teaching you how to automate and optimize for safer, leaner program design. 4️⃣ C++ in Embedded Systems By Amar Mahmutbegović The embedded world is still heavily dominated by C, but modern C++ is a game-changer for firmware. This guide is perfect for developers looking to transition to C++ in resource-constrained environments, ensuring your solutions are robust and safe without sacrificing performance. Modern C++ is more than just a language, it's a powerful toolset for building the future. 💬 Do you have a favorite C++ book that changed the way you code? Let me know in the comments! #embeddedfirmware #cpp #cppprogramming #softwareengineering #embedded #coding #moderncpp #developercommunity

C++ Operators: The Real Power Behind Your Code When you start learning C++, variables and data types feel exciting… but the real magic begins when you meet operators. Operators are the tools that make your program think, decide, and act. 💡 🔹 Arithmetic Operators + - * / % These are your basic building blocks. From simple calculations to complex logic—everything starts here. 🔹 Relational Operators == != > < >= <= Want your program to make decisions? These operators help compare values and return true/false. 🔹 Logical Operators && || ! Used when combining multiple conditions. This is where real decision-making begins. 🔹 Assignment Operators = += -= *= /= Not just assigning values—these help you write cleaner and shorter code. 🔹 Increment / Decrement ++ -- Small symbols, big impact. Perfect for loops and counters. Why should you care? Because mastering operators means mastering control over your program. The difference between a beginner and a problem solver often starts here. Pro Tip: Don’t just memorize operators—practice them in real problems. Try combining multiple operators in a single condition and see how your logic improves. Follow along if you want to grow together! #CPP #Programming #CodingJourney #LearnToCode #SoftwareDevelopment #ProblemSolving

🔹 Part 1: C++ Concepts vs SFINAE (Practical Guide) This short video is part of my "C++ Programming Topics" series 👇 And also included in my broader C++ templates playlist. 💡 The problem: SFINAE is powerful—but it often leads to complex, hard-to-read template code. This can cause: -Cryptic compiler errors -Reduced code clarity -Higher learning curve for maintainers ❌ 📌 This is where C++20 Concepts shine: 👉 They provide a clean and expressive way to constrain templates. 💡 What you’ll learn in this video: ⚙️ Step-by-step evolution from SFINAE to Concepts: 1️⃣ Using enable_if in template parameters A cleaner alternative than putting it in the return type 2️⃣ Constraining a template class (Wrapper) Allow only integral types using SFINAE 3️⃣ Generic sum function Handle different types and control the return type 4️⃣ Concepts vs SFINAE Clear comparison in readability and maintainability 5️⃣ Writing your own concept Define a requirement for types that support add and sub 6️⃣ Combining Concepts with type_traits Reuse existing utilities for powerful constraints 🎯 Key takeaway: Concepts don’t replace SFINAE—they simplify it. Use Concepts when readability matters, and SFINAE when you need lower-level control. 🎥 Watch the video: https://lnkd.in/dpiQNQcF 📚 Full playlist: https://lnkd.in/dDNVWvVC #cpp #moderncpp #programming #softwareengineering #templates #concepts #metaprogramming #cleancode

🔹 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

#Day-2 of 30 Days/30 Posts challenge. 👉 upgrading the C++ advanced concepts.... 💢 Tired of C++ initialization headaches? 😵💫 C++11 Uniform Initialization is your cure! C++11 didn’t just add features—it changed how we write C++. One feature that looks simple but is incredibly powerful: Uniform Initialization {} Before C++11, initialization was inconsistent and confusing: int x = 10; int x(10); int x = {10}; Now, with uniform initialization, we can use a single, consistent syntax: 👉 int x{10}; 💡 Why it matters: Prevents narrowing conversions (safer code) Makes initialization consistent across types Improves readability 🔹 Types of Uniform Initialization 👉 1. Direct Initialization int x{10}; 👉 2. Copy Initialization int x = {10}; 👉 3. Value Initialization int x{}; (Default initializes → x = 0) 👉 4. List Initialization (for containers) std::vector<int> v{1, 2, 3}; ⚠️ Important Insight Uniform initialization prevents unsafe conversions: int x{10.5}; // ❌ Error (narrowing not allowed) This is a big win for safety. 🧠 My takeaway What seems like a small syntax change actually enforces: 👉 Safer code 👉 Cleaner design 👉 Consistency across the language Modern C++ isn’t just about writing code—it’s about writing correct and expressive code. Still exploring more of C++11, one feature at a time 🚀 #CPP #ModernCPP #CPlusPlus #Programming #SoftwareEngineering #LearningJourney

🔹 Part2: Exploring type_traits in C++ (is_integral & enable_if) This short video is part of my "C++ Programming Topics" series 👇 And also included in my broader C++ templates playlist. 💡 The problem: When writing generic C++ code, not every type should be treated the same way. This can lead to: -Invalid operations on unsupported types -Hard-to-read template errors -Fragile and unsafe generic code ❌ 📌 This is where the type_traits library becomes essential: 👉 It gives you compile-time tools to inspect and control types. 💡 The solution: Understanding and implementing core utilities like: ✔️ is_integral — detect whether a type is an integral type ✔️ enable_if — conditionally enable/disable functions ✔️ type_traits — the foundation of compile-time type logic ⚙️ Bonus insight from the video: You’ll explore simplified implementations to really understand how they work under the hood: 1️⃣ is_integral How the compiler determines if a type belongs to integral types 2️⃣ enable_if How to include/exclude functions during compilation 3️⃣ Combining both Apply constraints to templates for safer and cleaner code 🎯 Key takeaway: Don’t just use type_traits—understand how they work. That’s what unlocks the real power of modern C++ templates. 🎥 Watch the video: https://lnkd.in/d7zPHDzb 📚 Full playlist: https://lnkd.in/dDNVWvVC #cpp #moderncpp #programming #softwareengineering #templates #metaprogramming #cleancode

Copy vs Move semantics in C++ — small change, big performance impact. At first glance, both can look like a simple assignment. But under the hood, they behave very differently. Copy → duplicates data → allocates new memory → keeps the source unchanged Move → transfers ownership of resources → avoids unnecessary allocations → leaves the source in a valid but unspecified state 💡 This difference becomes especially important with resource-heavy types such as std::string, std::vector, or user-defined classes managing dynamic memory. Another key point: std::move does not move anything by itself. It only casts an object to an rvalue, enabling move semantics if the type supports them. I put together this visual to make the difference easier to understand at a glance. Curious how others approach this in real code. #cpp #cplusplus #moderncpp #performance #softwareengineering #programming #coding

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

How Two Classes Communicate in Modern C++ (Composition, References/Pointers, Interfaces, and Friend Class):- In modern C++, classes do not work alone. They interact with each other to share responsibilities and build complete applications. This interaction can be designed in different ways, such as composition, references or pointers, interfaces, and friend class. Understanding these communication methods is important because the right choice leads to cleaner, safer, and more maintainable code. Introduction How Two Classes Communicate in Modern C++ Composition, References/Pointers, Interfaces, and Friend Class In modern C++, software is built by dividing a problem into multiple classes, where each class has its own responsibility. But a single class usually cannot solve everything alone. To build real applications, classes must communicate with each other so they can share data, request services, and work together to complete a task. This is why understanding how two classes communicate is an important part of object-oriented programming (OOP) and software design. What does it mean? When we say two classes communicate, we mean: one class uses another class one class owns another class one class depends on another class one class implements a contract for another class one class may even get special access to another class In C++, this communication can happen in different ways, such as: Composition References / Pointers Interfaces Friend class Each method represents a different relationship between classes. Why is this important? Understanding class communication is important because it directly affects: code readability maintainability reusability testability scalability If classes communicate in the wrong way: code becomes tightly coupled changes become difficult debugging becomes harder reuse becomes limited If classes communicate in the right way: the design becomes cleaner the system becomes easier to extend testing and maintenance become simpler So, choosing the correct relationship between classes is a key part of writing good modern C++ code.  #ModernCpp #CppProgramming #OOP #SoftwareDesign #CleanCode #SoftwareEngineering #Programming

🔹 Part 1: SFINAE in C++ This short video is part of my "C++ Programming Topics" series 👇 And also included in my broader C++ templates playlist. 💡 The problem: Many developers struggle with controlling which template functions should participate in overload resolution. This can lead to: -Confusing compiler errors -Unintended function matches -Less robust generic code ❌ 📌 This is where SFINAE becomes powerful: 👉 Substitution Failure Is Not An Error allows the compiler to silently discard invalid template instantiations. 💡 The solution: Applying SFINAE techniques to a simple example: int sum(int a, int b) { return a + b; } ✔️ Constrain templates to valid types only ✔️ Prevent invalid overloads from compiling ✔️ Write safer and more expressive generic code ⚙️ Bonus insight from the video: You’ll see how SFINAE works step by step by evolving this basic function: 1️⃣ Basic function behavior Understand the baseline implementation 2️⃣ Applying SFINAE Control when the function is enabled 3️⃣ Safer templates Restrict usage to valid type combinations 🎯 Key takeaway: SFINAE helps you guide the compiler instead of fighting it. It’s a foundational technique for mastering modern C++ templates. 🎥 Watch the video: https://lnkd.in/d7zPHDzb 📚 Full playlist: https://lnkd.in/dDNVWvVC #cpp #moderncpp #programming #softwareengineering #templates #cleancode