Course Elementary  62667

Course Introduction：This course will take you into C language from scratch. The course content includes some basic knowledge of C language such as common Linux commands, C language constant variables, operator expressions, etc.

Course Elementary  2113

Course Introduction：Python visualization video series using matplotlib, seaborn, pyecharts, combined with real data sets; this video is reproduced from Bilibili: BV1gz411v7F5

Course Intermediate  2708

Course Introduction：ECMAScript 6 has basically become the industry standard. Mainstream front-end frameworks such as ReactJS, Vue.js, and angularjs will all use the new features of ES6. Its popularity is much faster than that of ES5. This chapter explains in detail the commonly used new features of ES6: different variable declarations, template strings, arrow functions, object and array destructuring, classes in ES6, and Module modular programming.

Course Intermediate  11251

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Introduction：PHP Data Filtering: Processing User Input and Output Overview: When developing web applications, processing user input and output data is a very important part that cannot be ignored. Incorrect or unsanitized data can lead to security vulnerabilities and erroneous output. Therefore, when processing user input and output data, we need to use appropriate filtering mechanisms to ensure data accuracy and security. This article will introduce how to use some common PHP data filtering mechanisms to process user input and output data, and provide corresponding code examples.

2023-07-28 comment 0  1515

Course Introduction：PHP Data Filtering: From User Input to Database Security Overview: In web development, the security of user input data is a very important issue. Improper input filtering and validation may expose the database to attacks such as SQL injection, cross-site scripting (XSS), etc. This article will introduce how to use PHP for data filtering and validation to ensure the security of data from user input to storage in the database. Input filtering User-entered data is not trustworthy, so it must be filtered appropriately. The following is a

2023-07-28 comment 0  1386

Course Introduction：PHP Data Filtering: Best Practices for Handling User Input and Output In modern web applications, user input and output are crucial. Processing user input ensures security and validity, while processing output provides a better user experience and data protection. In PHP, data filtering is a key aspect, and this article will introduce some best practices to handle data filtering for user input and output. 1. Data filtering for processing user input to prevent SQL injection attacks. When data is obtained from user input and used to build SQL queries,

2023-07-28 comment 0  1353

Course Introduction：With the popularity of the Internet, website security issues have become increasingly prominent. Attackers can use various methods to invade websites, steal user information, and even destroy the normal operation of the website. As one of the most popular website development languages ​​at present, PHP brings convenience but also comes with some security risks. Among them, the security issues of user input data require special attention and precautions. 1. What is user input data? User input data refers to any data provided by users in the PHP website, including but not limited to form data, URL parameters, Cookie

2023-06-24 comment 0  1012

Course Introduction：PHP Data Filtering: How to Handle User Input Errors In the process of developing web applications, handling user input errors is an important task. User input errors can lead to security vulnerabilities, functional errors, or unexpected behavior. Therefore, proper data filtering and processing of user input is key to ensuring the security and reliability of your application. This article will introduce some common PHP data filtering techniques, as well as examples of how to handle user input errors. XSS attack protection Cross-site scripting attacks (XSS) are common web application security

2023-07-29 comment 0  1227