Found a total of 10000 related content
python selenium find element by xpath example
Article 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
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644
Securing REST APIs in Java with Spring Security and JWT
Article 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
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492
Building Your First Dynamic Web Page: A Practical PHP Primer
Article Introduction：Install XAMPP/MAMP or use PHP built-in server and make sure the file is saved as a .php extension; 2. Use display the current time in hello.php; 3. Get user input through $_GET in greet.php and use htmlspecialchars() to prevent XSS; 4. Use include'header.php'; multiplex the page header; 5. Enable error reports during development, variables start with $, use arrays to store data, and always filter user input. You have created a dynamic web page that can respond to user input, display dynamic content and reuse code. This is a key step towards a complete web application. You can connect to the database or build a login system in the future, but you should be sure of yourself at this time.
2025-07-29
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787
How PHP Powers Dynamic Websites
Article Introduction：PHP dynamically generates HTML content by running scripts on the server side, making the website interactive and real-time. 1. It obtains data from the database according to user requests and dynamically splices web page content, realizing that a set of code supports a large number of pages; 2. PHP often cooperates with MySQL to handle functions such as login verification, comment system, etc. that require data storage and query; 3. Use template engines (such as Smarty or Blade) or view separation technology to separate logic from presentation, improving code maintainability; 4. Combine cache mechanisms such as OPcache and Memcached to optimize performance, reduce duplicate parsing and database pressure, thereby efficiently supporting dynamic website operation.
2025-07-18
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506
How do I use asset bundles in Yii?
Article Introduction：Using Yii's assetbundles is a best practice for managing CSS and JS files. It defines resource groups centrally through PHP classes, and automatically handles dependencies, merging and caches. 1. The resource package is a PHP class used to organize CSS, JS and other resources and declare their dependencies; 2. Register resource packages in the view or layout to automatically generate HTML tags; 3. Different resource packages can be conditionally registered according to user role or page type; 4. The resource files are placed in web/css and web/js by default, and the path can be customized; 5. Use the assetManager configuration to add timestamps to achieve version control, solving browser caching problems. Correct use of resource packages can improve project structure clarity and loading efficiency
2025-07-08
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765
Dave The Diver: How To Catch Spider Crabs
Article Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10
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859
Prepare for Interview Like a Pro with Interview Questions CLI
Article Introduction：Prepare for Interview Like a Pro with Interview Questions CLI
What is the Interview Questions CLI?
The Interview Questions CLI is a command-line tool designed for JavaScript learners and developers who want to enhance their interview
2025-01-10
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1487
Soft Deletes in Databases: To Use or Not to Use?
Article Introduction：Soft Deletes: A Question of DesignThe topic of soft deletes, a mechanism that "flags" records as deleted instead of physically removing them, has...
2025-01-10
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1083
Terraria: How To Make A Loom
Article Introduction：There are a lot of crafting stations that you can make in Terraria. This ranges from simple anvils to unique stations meant for one specific type of resource. Early into the game, you'll be able to make your own Loom, which is primarily used to make
2025-01-10
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