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  17634

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：When developing using PHP, it often involves verifying the ID number entered by the user to ensure the accuracy and completeness of the data. The verification code in the ID number is a very important part, it can help us determine whether the ID number is legal. Therefore, when using PHP to verify the ID number, we need to understand how to use regular expressions to verify the check code in the ID number. 1. What is the verification code of the ID number? The ID card number is an important document that every Chinese citizen must possess. It consists of 18

2023-06-24 comment 0  1452

Course Introduction：1. Structure and form of ID cards. Common ID numbers include 15-digit and 18-digit ID numbers; the meanings of the 15-digit ID numbers: 1. 1-2 digits of province, autonomous region, and municipality codes; 2. 3-4 digits. Prefecture-level city, league, autonomous prefecture code; 3, 5-6 digits county, county-level city, district code; 4, 7-12 digits date of birth, for example, 670401 represents April 1, 1967, and the 18th digit One difference; digits 5 and 13-15 are sequence numbers, of which 15 digits are odd numbers for men and even numbers for women; the meaning of each 18-digit ID number: 1, 1-2 digits represent the province (autonomous region, municipality directly under the Central Government, special administrative region) ). 2. The 3-4 digits represent the city (the summary code of the municipal districts and counties of regions, autonomous prefectures, leagues and national municipalities). Among them, 01-

2023-04-17 comment 0  1257

Course Introduction：jquery validation verifies ID number, passport, phone number, email (example code). Friends who need it can come here for reference. I hope it will be helpful to everyone.

2016-05-16 comment 0  1326

Course Introduction：PHP is a popular server-side scripting language widely used in website development and data processing. When developing a website or application, it is often necessary to validate and process user-entered data. Among them, the ID number is an important personal identity certification information that requires accurate matching verification. This article will introduce how to use PHP regular expressions to accurately match ID numbers and provide specific code examples. The ID number is the unique identity of a Chinese citizen and contains specific formats and rules. Generally speaking, the ID number

2024-03-06 comment 0  795

Course Introduction：Practical use of regular expressions in Go language: How to match ID numbers Introduction: In daily development, we often need to verify and match ID numbers. Regular expressions provide a powerful tool to handle this need. This article will introduce how to use regular expressions in Go language to match ID card numbers. 1. Format of ID number The ID number is a string of 18 characters, including 17 numbers and a check code (the last digit may be a number or the letter X). The format of the ID number is as follows: the first 6 digits represent

2023-07-12 comment 0  1530