Course Intermediate  11450

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  17735

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  11438

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 text box jitter effect when jQuery implements dynamic form verification. It can realize the jitter function of form elements shaking left and right. It involves the matching of elements in jquery and the animation animate effect implementation skills. Friends in need can refer to the following

2016-05-16 comment 0  1630

Course Introduction：The focus event in jQuery is a common event type that is triggered when the user focuses on an element on the page. This kind of event can be widely used in functions that require user input or interaction on the page, such as form validation, input box prompts, search box auto-completion and other scenarios. This article will introduce the application scenarios of focus events in jQuery and their implementation methods through specific code examples. 1. Form verification In a form, we may need to verify the content entered by the user, such as email format,

2024-02-25 comment 0  1230

Course Introduction：Form validation in Laravel: ensuring the validity of user-submitted data Introduction: In modern web applications, the validity of user-entered data is very important. If user input is not validated, your application may be vulnerable to malicious attacks, data corruption, or security vulnerabilities. As an excellent PHP framework, Laravel provides powerful and flexible form validation functions, helping us to easily verify and filter user-submitted data to ensure its accuracy and legality. 1. Forms in Laravel

2023-08-13 comment 0  1190

Course Introduction：As shown in the figure, there are multiple worksheets in the Excel table, which are employee information tables for each department. There is a column for academic qualifications, so there is no need for everyone to enter it manually. You can use excel data validation (data validation) to do this. Select the cell range A2:A7 and enter a name in the new name box, for example: education list. Return to the [Marketing Department] worksheet, select [Cell C2:C11], perform data verification, select [Sequence] in the [Allow] drop-down box, and enter [=Education List] in the source box (the name defined in the first step). The effect is as shown in the figure: In the same way, complete the settings of the [Education] column in the [Propaganda Department] worksheet.

2024-04-17 comment 0  477

Course Introduction：Create a form with input fields (such as text inputs, dropdown lists, checkboxes) using html. Specify an "action" attribute that specifies the PHP script to handle the request when the form is submitted. 2. Set up PHP script Create a php script to handle form submission. The script will contain code to get the form data, validate the data, and perform the required actions. 3. Get form data Use $_POST or $_GET super global variable to get form data. These variables contain all data submitted by the form. 4. Validate data Validate form data to ensure it is valid and complete. This can be accomplished using filter functions (such as filter_input()) and validation rules (such as regular expressions). 5. Place

2024-03-17 comment 0  445