"Book Review: C++ in Embedded Systems by Amar Mahmutbegović"

Smart Pointers in C++ — Modern Memory Management In C++, memory management has always been a critical topic. Before C++11, developers relied on raw pointers with `new` and `delete`, which often led to memory leaks. With C++11, the introduction of **smart pointers** completely changed the game! std::unique_ptr =>Owns an object exclusively. => Cannot be copied — ownership can only be transferred using `std::move`. `std::shared_ptr` =>Enables shared ownership of the same object. =>Automatically deletes the object when the last pointer goes out of scope. std::weak_ptr =>Observes a `shared_ptr` without extending its lifetime. #include <memory> #include <iostream> int main() { auto ptr = std::make_unique<int>(42); std::cout << *ptr << std::endl; } Smart pointers are one of the pillars of modern C++. If you want to write robust, efficient, and leak-free code. #Cplusplus #SmartPointers #ModernCpp #SoftwareDevelopment #Coding #Programming

🚀 Dynamic Memory Allocation with `new` and `delete` in C++ The `new` operator in C++ allocates memory on the heap, allowing for dynamic object creation. It returns a pointer to the allocated memory. Correspondingly, the `delete` operator deallocates memory previously allocated with `new`, preventing memory leaks. It's crucial to match every `new` with a corresponding `delete` to avoid resource exhaustion. Failure to do so can lead to significant performance degradation and system instability in C++ programs. #c++ #programming #coding #tech #learning #professional #career #development

Lessons from 4 weeks of exploring predictable, high-performance C++. Here’s my 4-week recap — summarizing the core ideas, concepts, and design considerations that shaped my understanding of low-latency systems. If you’re exploring modern C++ or systems programming, I hope these notes help you. #cpp #lowlatency #cplusplus #systemsprogramming #performance #concurrency #learninpublic #engineering

C++Now 2025 - David Sankel: "C++ Program Correctness and its Limitations" youtu.be/In2elCXQ10A We talk about "correct" programs all the time, but what does that really mean? This talk dives into the tricky business of defining program correctness, exploring several attempts and their pitfalls along the way. Even with a solid definition, we'll see how formal correctness only goes so far in real-world software development. The talk concludes by looking at the bigger picture: what are we actually trying to achieve with correctness, and are there better ways to get there? --- David Sankel David Sankel is a Principal Scientist, leads Adobe's Software Technology Lab, and is an active member of the C++ Standardization Committee. His experience spans microservice architectures, CAD/CAM, computer graphics, visual programming languages, web applications, computer vision, and cryptography. He is a frequent speaker at C++ conferences and specializes in large-scale software engineering and advanced C++ topics. David’s interests include dependently typed languages, semantic domains, EDSLs, and functional reactive programming. He was the project editor of the C++ Reflection TS, is the Executive Director of the Boost Foundation, and authored several C++ proposals including pattern matching and language variants.

It’s almost 2026… and many of us still write C++98-style code So let’s fix that. Here are 5 examples of C++98 → Modern C++ that instantly make your code cleaner and more expressive. Modern C++ isn’t about fancy features — it’s safer, clearer, and looks like it belongs in 2026. 💬 Comment your favorite Modern C++ upgrade below! I’ll include the best ones in the next part. #ModernCpp #Cpp #Cpp20 #Cpp23 #CleanCode #Developers #XploreCpp #Programming #SoftwareEngineering

The right way to learn C is to understand how it translates to assembly/machine code and what the CPU will do as a result. Presenting - "C Language (Using RISC-V ISA)" This course dives into the practical applications of the C language, emphasizing hands-on learning to solidify key concepts. Delivered in an engaging and unconventional style, the lessons go beyond theory, equipping you with the skills to apply C programming in real-world scenarios. By the end of the course, you’ll feel confident in your mastery of the C language, adept at using it alongside the tools and utilities professional C programmers rely on daily. Check the contents and details here: https:// pyjamabrah.com/c/ --- 𝙵𝚘𝚛 𝚖𝚘𝚛𝚎 𝚒𝚗𝚜𝚒𝚐𝚑𝚝𝚏𝚞𝚕 𝚌𝚘𝚗𝚝𝚎𝚗𝚝, 𝙵𝚘𝚕𝚕𝚘𝚠: - 𝗣𝗶𝘆𝘂𝘀𝗵 𝗜𝘁𝗮𝗻𝗸𝗮𝗿: https://lnkd.in/dYWsEdeC - 𝗪𝗵𝗮𝘁𝘀𝗮𝗽𝗽 𝗖𝗵𝗮𝗻𝗻𝗲𝗹: https://lnkd.in/gKJxmz2X - 𝗡𝗲𝘄𝘀𝗹𝗲𝘁𝘁𝗲𝗿: https://lnkd.in/gBVauWFg - 𝗬𝗼𝘂𝘁𝘂𝗯𝗲: https://lnkd.in/g5gatycc - 𝗧𝗲𝗹𝗲𝗴𝗿𝗮𝗺: https://lnkd.in/gmNATvze - 𝗗𝗶𝘀𝗰𝗼𝗿𝗱: https://lnkd.in/gwzv_z-G #pyjamabrah #embeddedsystems #embeddedbasics 

Examining the enduring relevance of C programming in the face of newer languages like Zig. This project explores C's strengths: its established toolchain, broad portability, and continued evolution with the C23 standard. Discover how C's explicit memory management and minimal syntax provide clarity and control, essential for systems programming. Use cases in embedded systems and high-performance computing highlight C's practical advantages. Explore the details here: https://lnkd.in/gmrZsVV8 #Cprogramming #SystemsProgramming #EmbeddedSystems

🚀 Dynamic Array Allocation in C++ with `new` and `delete` C++ allows dynamic allocation of arrays using the `new` operator. This is essential when the size of the array is not known at compile time. Dynamic arrays reside on the heap, providing flexibility in memory management. It's crucial to deallocate the memory using the `delete[]` operator when the array is no longer needed to prevent memory leaks. Failure to deallocate memory leads to resource exhaustion and program instability. Learn more on our app: https://lnkd.in/gefySfsc #c++ #programming #coding #tech #learning #professional #career #development

C vs Embedded C! C and Embedded C look almost identical same syntax, same loops, same logic. But their environment changes everything. 🖥️ C Language Runs on computers that already have an operating system. Deals with files, memory, and user input handled by the OS. focus mostly on logic and algorithms. ⚡ Embedded C Runs on microcontrollers with no operating system. Talks directly to hardware — registers, timers, sensors, and communication ports. Every line of code manage memory, timing, and hardware behavior. In short: ➡ C teaches programming logic. ➡ Embedded C teaches how software controls real hardware. #EmbeddedC #CProgramming #Microcontrollers #Firmware #ElectronicsEngineering #LearningJourney #EmbeddedDesingn #EmbeddedEngineer

🚀 My First Step into 64-bit OS Development! After days of experimenting with low-level programming, I’ve successfully built my first 64-bit operating system kernel that boots up and displays a “Welcome” message in yellow text on a black background — all from scratch using Assembly and C ⚙️✨ This small output might look simple, but behind it lies an amazing learning journey that deepened my understanding of how computers truly work at the lowest level. Here are some key topics I explored while building it: 🧠 Essential Concepts: - BIOS & Bootloader fundamentals - Transitioning from Real Mode → Protected Mode → Long Mode (64-bit) - GDT (Global Descriptor Table) and segment setup - Writing a 64-bit compatible bootloader (using NASM) - Understanding ELF binaries and linking C with Assembly - Working with VGA text buffer for colored text output - Building and linking with a custom linker script - Compiling a freestanding kernel with -ffreestanding and -nostdlib flags Using QEMU/Bochs for virtualization and debugging - Docker and makefile 💻 Tech Stack: Assembly (NASM) | C | GNU LD | QEMU | Bochs Every single pixel of that yellow “Welcome” text represents countless lines of debugging and pure curiosity. This project reminded me that the best way to learn systems programming is to build things from the ground up. #OperatingSystem #LowLevelProgramming #Assembly #CProgramming #KernelDevelopment #SystemsProgramming #OSDev #LearningByBuilding