Câu hỏi phỏng vấn Nodejs
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Why do we need C++...

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C++ Addons in Node.js are essential for several reasons, primarily enhancing the performance and capabilities of Node.js applications by integrating C++ libraries and functionalities. Here are the key reasons why C++ Addons are needed in Node.js:

Performance Enhancement

C++ is a compiled language known for its high performance and efficiency, especially in CPU-intensive and real-time processing tasks. By using C++ Addons, Node.js applications can execute computationally heavy tasks much faster than JavaScript, which is particularly beneficial for applications requiring high performance, such as data processing, simulations, and multimedia processing[1][4][9].

Direct Memory and Resource Management

C++ provides more direct control over system resources, including memory management. This allows for more efficient resource utilization and reduced memory overhead, which can be crucial in scenarios where fine-grained control over system resources is necessary[1].

Integration with Existing C/C++ Libraries

Many powerful and mature libraries written in C/C++ can be leveraged in Node.js applications through C++ Addons. This integration allows developers to utilize established solutions without the need to reimplement functionality in JavaScript, saving development time and reducing potential errors[1][2][3].

Handling Specific Tasks

Certain tasks that are not efficiently handled by JavaScript can be effectively managed by C++ Addons. This includes tasks like image processing, numerical computations, and interactions with hardware or low-level system operations[5][12].

Overcoming JavaScript Limitations

JavaScript, being a high-level language, has limitations in performing low-level operations or parallel processing tasks. C++ Addons enable Node.js to perform such tasks efficiently and can handle more complex calculations and processing than JavaScript[4][12].

Scalability and Efficiency

C++ Addons can help in offloading heavy c...

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