Course Intermediate  11333

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  17638

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  11350

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：This article mainly introduces the example of jquery prohibiting the input of characters other than numbers (pure numeric verification code). Friends in need can refer to it.

2016-05-16 comment 0  1265

Course Introduction：This article mainly introduces the relevant information about how jQuery Ajax displays correct and incorrect numbers to verify whether the input verification code is correct. Friends who need it can refer to it.

2018-01-01 comment 0  2595

Course Introduction：In the field of computer programming, regular expressions are a powerful tool that can greatly simplify the matching and processing of data. When developing a website or application that requires user registration, in order to ensure the security of the password, it is often necessary to verify the entered password. The best way is to use regular expressions. As a popular server-side programming language, PHP has a built-in regular expression function library that can easily verify input passwords. In this article, we will introduce how to use PHP regular expressions to verify whether the entered password contains numbers,

2023-06-24 comment 0  2776

Course Introduction：With the rapid development of the Internet, network security issues have attracted more and more people's attention. Among them, the security of enterprise registration numbers and organization codes is also increasingly important. In order to ensure the security of corporate information, PHP's regular expressions have become a powerful tool for verifying corporate registration numbers and organization code formats. First, we need to understand the definition and format of enterprise registration number and organization code. The enterprise registration number refers to the unique number registered by the enterprise with the industrial and commercial administration department. It consists of numbers and letters, and the format is 15 or 18 digits. Organizer

2023-06-24 comment 0  1424

Course Introduction：PHP implements codes for processing input escape characters, PHP escape character codes. PHP implements the code for processing input escape characters. The PHP escape character code starts with a function, which was recently introduced in WordPress 3.6 /** * Add slashes to a string or array of strings. * *

2016-07-12 comment 0  907