Course 1654
Course Introduction:As a back-end, being urged by the front-end to require interfaces has become a daily hassle in my work; and when the front-end jointly debugged, I found that the data of my mock did not match the back-end, which was even more frustrating. When the backend has not yet provided a real interface, it is very important to first get a data structure of the simulated response, which is what we call the interface document. How to write such a dynamic document that is clear and standardized and can be updated in real time? No need to do it yourself, we can use Apipost, a research and development collaboration artifact, to quickly and automatically generate an ideal interface document!
Course 20566
Course Introduction:Python zero-based introductory basic class + advanced project practical tutorials, a full set of python tutorials, basically covering all knowledge, combining theory with practice to help you successfully advance to senior Python development engineer.
Course 2857
Course Introduction:Course introduction: 1. Cross-domain processing, token management, route interception; 2. Real interface debugging, API layer encapsulation; 3. Secondary encapsulation of Echarts and paging components; 4. Vue packaging optimization and answers to common problems.
Course 1795
Course Introduction:Apipost is an API R&D collaboration platform that integrates API design, API debugging, API documentation, and automated testing. It supports grpc, http, websocket, socketio, and socketjs type interface debugging, and supports privatized deployment. Before formally learning ApiPost, you must understand some related concepts, development models, and professional terminology. Apipost official website: https://www.apipost.cn
Course 5521
Course Introduction:(Consult WeChat: phpcn01) The comprehensive practical course aims to consolidate the learning results of the first two stages, achieve flexible application of front-end and PHP core knowledge points, complete your own projects through practical training, and provide guidance on online implementation. Comprehensive practical key practical courses include: social e-commerce system backend development, product management, payment/order management, customer management, distribution/coupon system design, the entire WeChat/Alipay payment process, Alibaba Cloud/Pagoda operation and maintenance, and project online operation. .....
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Course Introduction:Smart pointers (Smartpointers) are a very important concept in C++. Their role is to help programmers prevent memory leaks and at the same time provide a more convenient and flexible memory management method. This article will conduct a detailed exploration of the concepts, types and usage of smart pointers. The concept of smart pointers Smart pointers are a modern C++ memory management technology that stores pointers that encapsulate memory allocation and release in smart pointer objects. Since the C++ language does not automatically manage
2023-08-22 comment 0 218
Course Introduction:Smart pointer: a special pointer in C++ that encapsulates a raw pointer and provides additional functions. Type: std::unique_ptr: unique ownership, memory is released after the pointer expires. std::shared_ptr: shared ownership, memory is released when the last reference disappears. std::weak_ptr: Weak ownership, does not prevent the object from being destroyed, and avoids circular references. Usage: Declare a smart pointer type to replace ordinary pointers. Practical case: Use std::shared_ptr to manage the file stream and automatically close the file stream regardless of whether an exception occurs.
2024-05-09 comment 240
Course Introduction:Smart pointers are C++-specific pointers that can automatically release heap memory objects and avoid memory errors. Types include: unique_ptr: exclusive ownership, pointing to a single object. shared_ptr: shared ownership, allowing multiple pointers to manage objects at the same time. weak_ptr: Weak reference, does not increase the reference count and avoid circular references. Usage: Use make_unique, make_shared and make_weak of the std namespace to create smart pointers. Smart pointers automatically release object memory when the scope ends. Advanced usage: You can use custom deleters to control how objects are released. Smart pointers can effectively manage dynamic arrays and prevent memory leaks.
2024-05-09 comment 0 679
Course Introduction:不同语言中智能指针的实现各有不同。在C++中,智能指针拥有独占所有权并使用析构函数释放资源。在Java中,智能指针不具有所有权,并通过垃圾回收器自动释放资源,但释放时间不确定。
2024-05-27 comment 891
Course Introduction:In C++, smart pointers have become a common programming technology, which can help developers manage memory and avoid program crashes due to memory leaks, wild pointers and other problems. However, interviewers often ask questions related to smart pointers to test the candidate's understanding and mastery of memory management. Here are a few common smart pointer interview questions. What are smart pointers? A smart pointer is a pointer-like object that can manage dynamically allocated memory and avoid memory leaks. Smart pointers can keep track of the objects they manage and
2023-08-22 comment 0 569