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Course Introduction：1. Can’t install the WeChat computer version? 1. Possible network problems. Check the computer's network status. If the network is normal, WeChat records will be cleaned, but the WeChat web version will still not be logged in. Then you need to further check the computer's network status to see if the network cable is connected normally and whether the network is smooth. 2. The browser cannot work. You can change your browser. Web version of WeChat login is to log in on the web page, which means that WeChat web version login has a certain relationship with the browser. Therefore, if there is no problem before, when you encounter a situation where the web version of WeChat cannot log in, you should consider changing your browser and logging in to try it. 2. Can't WeChat be installed on the computer? Have you downloaded the wrong software? First of all, there is a mobile version on WeChat and a computer version. If you download it on your computer

2025-08-12 comment 0  970

Course Introduction：Create functional tests Use phpartisanmake:testUserRegistrationTest and ensure that the class inherits TestCase; 2. Use $this->get(), ->post() and other methods to simulate HTTP requests and assert status or redirect; 3. Reset the database through RefreshDatabase, create test data in combination with the model factory and simulate user login with actingAs(); 4. Test middleware and authorization logic, such as unauthenticated users jump to the login page or prohibit access to other people's resources; 5. Use assertSessionHasErrors() to verify form verification errors; 6. Pass Uploa

2025-08-17 comment 0  183

Course Introduction：Positioning elements with XPath is the core method of Selenium web page automation. The answer is to find elements accurately through find_element(By.XPATH,"xpath expression"). ①The basic syntax requires importing the By class and using WebDriverWait to wait for the element to load; ② Common positioning methods include based on name attributes //input[@name='username'], id//*[@id='login-form'], class//div[@class='alert-error'], and including class//button[contains(@clas

2025-07-30 comment 0  653

Course Introduction：Use SpringSecurity and JWT to implement secure authentication and authorization of RESTAPI in Java, suitable for stateless and scalable architectures such as microservices, mobile applications and single-page applications; 2. First add SpringBootWeb, SpringSecurity and JJW dependencies in pom.xml; 3. Create User and LoginRequest model classes for user information and login requests; 4. Write JwtUtil tool class to generate, parse and verify JWT, note that the key should be configured through environment variables rather than hard coded; 5. Config the SecurityConfig class to disable CSRF, set stateless session policies, release the authentication interface and register JW

2025-07-29 comment 0  503

Course Introduction：This article aims to resolve common unauthorized access issues in web applications. By using the PHP session management mechanism, we will demonstrate how to prevent users from accessing protected pages directly bypassing the login page by modifying the URL. This article will provide detailed code examples and explain how to properly set and check session variables in the login and home pages, ensuring that only authenticated users can access a specific page.

2025-08-13 comment 0  439

Course Elementary  13929

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82482

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13266

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24732

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.

Course Elementary  27566

Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.