


Full set of enterprise instant messaging source code/video surveillance source code/video conferencing source code for sale Language: C/C++ programming language design, VC++ development platform android and ios versions can be customized The product includes a complete video conferencing system, which is a commercial integration product that integrates remote video monitoring + instant messaging and video conferencing Includes remote video monitoring, instant messaging, video conferencing, voice and video mail, file transfer, clear voice and video, online and offline files An instant messaging collaborative video conferencing product that integrates group messaging and many other functions It meets both Linux operating environment and Windows operating environment. The background system is divided into C2N load balancing service Adopts C/C++ programming language design and VC++ development platform Its functions are relatively comprehensive among enterprise-level instant messaging products, and its background management permissions are clearly hierarchical It can realize distributed deployment and run across system platforms at the same time. It has complete interface documentation and comprehensive functions. It is definitely not the ordinary junk IM system code on the market The product has outstanding performance and detailed code comments. Follow-up technical support can be provided Please contact me for specific cooperation methods Approximate functions (specifically subject to product demonstration): Online status awareness, instant message receipt, enterprise collaboration area Text communication Historical record inquiry Business news reminder Voice communication Group messages Mood interaction Video communication Multi-person text conference Instant screenshot Mobile phone text message Multi-person voice conference Customized avatar File transfer Multi-person video Remote control File sharing Corporate address book Interface style customization Sticker function Frequently used contact management Multi-language version switching Offline messages Quickly find contacts Public IM interoperability Offline file transfer Business card management User management Application channel management Data import/export Organization management Collaboration area management Business system integration SDK Role management System management Function plug-in development SDK Remote monitoring command and dispatch system combined with video conferencing compatible with all hardware devices Currently, many state-owned enterprises and large enterprises in China are using it. If you want to try it out, please contact me Group file sending, group voice and video sending, organizational structure, invitation to multi-person voice conference or text discussion area, two-point screen broadcast, two-point electronic whiteboard, remote assistance, email, file sharing C/S backend management tool The backend includes user management, organization management, rights management, administrator settings, system extension management, parameter settings, database settings, etc. If you want to purchase, please add Tencent discount: 21 1896737 When adding discount, please indicate: source code cooperation! Dealers, stay away, thank you! |

PHP is used to build dynamic websites, and its core functions include: 1. Generate dynamic content and generate web pages in real time by connecting with the database; 2. Process user interaction and form submissions, verify inputs and respond to operations; 3. Manage sessions and user authentication to provide a personalized experience; 4. Optimize performance and follow best practices to improve website efficiency and security.

PHP uses MySQLi and PDO extensions to interact in database operations and server-side logic processing, and processes server-side logic through functions such as session management. 1) Use MySQLi or PDO to connect to the database and execute SQL queries. 2) Handle HTTP requests and user status through session management and other functions. 3) Use transactions to ensure the atomicity of database operations. 4) Prevent SQL injection, use exception handling and closing connections for debugging. 5) Optimize performance through indexing and cache, write highly readable code and perform error handling.

Using preprocessing statements and PDO in PHP can effectively prevent SQL injection attacks. 1) Use PDO to connect to the database and set the error mode. 2) Create preprocessing statements through the prepare method and pass data using placeholders and execute methods. 3) Process query results and ensure the security and performance of the code.

PHP and Python have their own advantages and disadvantages, and the choice depends on project needs and personal preferences. 1.PHP is suitable for rapid development and maintenance of large-scale web applications. 2. Python dominates the field of data science and machine learning.

PHP is widely used in e-commerce, content management systems and API development. 1) E-commerce: used for shopping cart function and payment processing. 2) Content management system: used for dynamic content generation and user management. 3) API development: used for RESTful API development and API security. Through performance optimization and best practices, the efficiency and maintainability of PHP applications are improved.

PHP makes it easy to create interactive web content. 1) Dynamically generate content by embedding HTML and display it in real time based on user input or database data. 2) Process form submission and generate dynamic output to ensure that htmlspecialchars is used to prevent XSS. 3) Use MySQL to create a user registration system, and use password_hash and preprocessing statements to enhance security. Mastering these techniques will improve the efficiency of web development.

PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.

PHP is still dynamic and still occupies an important position in the field of modern programming. 1) PHP's simplicity and powerful community support make it widely used in web development; 2) Its flexibility and stability make it outstanding in handling web forms, database operations and file processing; 3) PHP is constantly evolving and optimizing, suitable for beginners and experienced developers.


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DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software