How to Use `new` and `delete` in C++ for Dynamic Memory Allocation

🚀 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

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

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

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

🚀 Inline Functions in C++ Inline functions are a compiler optimization technique in C++. When a function is declared as `inline`, the compiler may replace the function call with the actual function code at the point of call. This can eliminate the overhead of function calls, potentially improving performance. Inline functions are typically used for small, frequently called functions. However, excessive use of inline functions can increase code size, so it's crucial to use them judiciously. Learn more on our app: https://lnkd.in/gefySfsc #c++ #programming #coding #tech #learning #professional #career #development

🚀 Basic C++ Syntax: Hello, World! The classic 'Hello, World!' program introduces the basic syntax of C++. It demonstrates the structure of a C++ program, including the `main` function, which is the entry point for execution. It also introduces the `iostream` library for input and output operations. The `std::cout` object is used to print text to the console. This simple program forms the foundation for learning more complex C++ concepts. #c++ #programming #coding #tech #learning #professional #career #development

#Day11 Multi way branching with the switch command in TCL Shell Hello all. The switch command is a conditional control flow structure used to select one of many code blocks to execute. It compares an input string (the variable's value) against a series of specified patterns (the case values). If a pattern matches the input string, the associated script is executed, and the switch command terminates. The patterns and scripts are provided as pairs within the command's body. If none of the specified patterns match, the optional default case's script is executed, ensuring that the program can handle unrecognized inputs gracefully. Today I have used the switch statement and used it for a simple application. The coding and the output is provided in the PDF. #Tcl #Programming #CodingChallenge #Switch #Statement #SoftwareDevelopment #LearnToCode #20DayTclChallenge #TclTk #Day11of20

🚀 Using `std::array` for Fixed-Size Arrays in C++ The `std::array` template class in C++ provides a fixed-size array with the benefits of a standard container. Unlike raw arrays, `std::array` knows its size at compile time and provides methods like `size()` and `at()` for bounds-checked access. It also integrates well with other STL algorithms. Using `std::array` promotes safer and more maintainable code compared to using raw C++ arrays, especially when the array size is known at compile time. #c++ #programming #coding #tech #learning #professional #career #development

🚀 Using `std::array` for Fixed-Size Arrays in C++ The `std::array` template class in C++ provides a fixed-size array with the benefits of a standard container. Unlike raw arrays, `std::array` knows its size at compile time and provides methods like `size()` and `at()` for bounds-checked access. It also integrates well with other STL algorithms. Using `std::array` promotes safer and more maintainable code compared to using raw C++ arrays, especially when the array size is known at compile time. #c++ #programming #coding #tech #learning #professional #career #development

🚀 String Views in C++17 and Beyond C++17 introduced `std::string_view`, a non-owning reference to a contiguous sequence of characters. `std::string_view` provides a way to access string data without copying it, improving performance and reducing memory usage. It can be used with both `std::string` objects and C-style strings. `string_view` objects are lightweight and efficient for read-only access to string data. They avoid unnecessary allocations and copies. Learn more on our website: https://techielearns.com #c++ #programming #coding #tech #learning #professional #career #development