Course Intermediate  11330

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 Advanced  17632

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Advanced  11347

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Introduction：Emulating User Text Input with JS and jQueryTo simulate user input within a text input box, you can utilize direct event triggering. Each relevant...

2024-11-23 comment 0  522

Course Introduction：PHP data filtering: How to filter control characters entered by users. Control characters are some unprintable characters in ASCII code. They are usually used to control the display and format of text. However, in web development, user-entered control characters can be misused, leading to security vulnerabilities and application errors. Therefore, it is very important to perform data filtering on user input. In PHP, using built-in functions and regular expressions can effectively filter out user-entered control characters. Here are some commonly used methods and code examples: Using fil

2023-07-29 comment 0  1735

Course Introduction：Method: 1. Use regular expressions to determine whether they are Chinese characters and prohibit input. The regular expression syntax for matching Chinese characters is "/[\u4E00-\u9FA5]/g"; 2. Use Unicode character range control to prevent input of Chinese characters. The codes are all greater than 255, so as long as the codes are greater than 255, they are all Chinese characters.

2022-01-12 comment 0  3633

Course Introduction：Java uses the nextLine() function of the Scanner class to obtain a line of string input from the console. In Java programming, we often need to obtain user input from the console. The Scanner class is a commonly used tool class in Java that can easily read user input. Among them, the nextLine() function can be used to read a line of string input from the console. This article will introduce how to use the nextLine() function of the Scanner class to obtain a line of string input by the console.

2023-07-26 comment 0  1625

Course Introduction：This article mainly introduces the JS method of restricting the text box to only input numbers and letters. This article gives three scripts to restrict the input of numbers, restrict the input of letters, and restrict the input of numbers and letters. Friends in need can refer to it. Down

2016-05-16 comment 0  1656