Article Introduction：This article mainly introduces the example code of using jQuery to implement a shrinkable and expandable cascading menu. Friends who need it can come and refer to it. I hope it will be helpful to everyone.

2016-05-16 comment 0  1144

Article Introduction：jQuery can use the jQuery animate() method to realize the left and right expansion and contraction effect of text when clicking a button. The Query animate() method can simulate effects similar to slideUp() and slideDown().

2018-12-17 comment 0  6696

Article Introduction：JavaScript sets the FieldSet expansion and contraction implementation code.

2016-05-16 comment 0  1756

Article Introduction：How to dynamically expand and shrink data in MySQL? MySQL is a commonly used relational database management system, and many applications use MySQL as the underlying database. In actual use, we often need to dynamically expand and shrink the database to cope with the increase or decrease in data volume. This article will introduce the method of dynamic expansion and reduction of data in MySQL and provide corresponding code examples. Extending the fields of a database table When you need to add new fields to an existing database table, you can use ALT

2023-08-01 comment 0  1152

Article Introduction：This article mainly introduces the method of slowly shrinking and expanding the div layer in js. The shrinking and expanding effect of the div layer is achieved through javascript custom functions. It is of great practical value. Friends who need it can refer to it.

2016-05-16 comment 0  1671

Article Introduction：Step-by-step tutorial: How to compress and decompress files using the php extension ZipArchive Introduction: In modern web development, you often encounter situations where you need to compress and decompress files. The PHP extension library ZipArchive provides a convenient and fast way to compress and decompress files. This tutorial will introduce in detail how to use the ZipArchive extension to implement file compression and decompression functions, and attach code examples. Prerequisite: Before starting, make sure you have

2023-07-31 comment 0  1216

Article Introduction：Introduction to how to use HTML, CSS and jQuery to realize the advanced functions of image cropping and scaling: With the development of the Internet, the application of images is becoming more and more common, and cropping and scaling of images is a common requirement. This article will introduce how to use HTML, CSS and jQuery to implement advanced functions of image cropping and scaling, and provide you with specific code examples. 1. Design principles: Before starting to write code, we need to understand some design principles. The advanced functions of image cropping and zooming mainly include the following aspects: Image selection:

2023-10-27 comment 0  1018

Article Introduction：This article mainly introduces the Banner advertising shrinking effect code implemented by jquery, which can realize the function of clicking the button to shrink and expand the advertising image. It is very simple and practical. Friends who need it can refer to it.

2016-05-16 comment 0  1619

Article Introduction：This article mainly introduces Yii's installation of the EClientScript plug-in extension to implement css and js file code compression and merge loading functions. It also analyzes the related skills of downloading, installing, setting up and using the EClientScript plug-in. Friends in need can refer to the following

2016-12-30 comment 0  1151

Article Introduction：PHP uses the ZipArchive function to compress and decompress files. PHP uses the ZipArchive function to compress and decompress files. PHP ZipArchive is an extension class that comes with PHP. It can easily compress and decompress ZIP files. Before using it, you must first ensure that PHP

2016-07-12 comment 0  945

Article Introduction：To increase, reduce, and restore the original size of the font on the page, you need to define three elements in the html page. The classes of the elements are resetFont, increaseFont, and decreaseFont. The click events of the three elements are defined in the JQuery event of this file. To increase, reduce, and restore the original size.

2017-06-17 comment 0  4518

Article Introduction：Interpret the underlying implementation principles of Nginx's module development and extension mechanism. Nginx is a very popular high-performance web server and reverse proxy server. Its module development and extension mechanism allows users to easily extend the functions of Nginx. This article will analyze the underlying implementation principles of Nginx's module development and extension mechanism, and give some code examples. The structure of the Nginx module. A standard Nginx module is a dynamic link library, which contains a series of callback functions. These callback functions are executed in Ngi

2023-08-05 comment 0  798

Article Introduction：Python and WebDriver extensions: Simulate a left-click double-click on a web page. With the rapid development of web applications, more and more functions need to be implemented through automation and simulated user operations. Python and the WebDriver extension provide us with convenient tools to simulate left-click and double-click operations of the mouse. This article will introduce how to use Python and WebDriver extensions to simulate a double-click operation of the left mouse button, and provide corresponding code examples. Install Python and WebD

2023-07-07 comment 0  799

Article Introduction：How to realize automatic expansion and contraction of PHP functions through microservices? With the development and scale expansion of Internet applications, traditional single applications can no longer meet the needs, and the emergence of microservice architecture provides an effective solution to this problem. Microservice architecture splits an application into multiple small, independently deployable services, each with its own database and business logic. This can achieve high availability, high performance and easy scalability of the system. This article will introduce how to implement automatic expansion and contraction of PHP functions through microservices. in order to achieve

2023-09-18 comment 0  627

Article Introduction：This article mainly introduces the jquery implementation of a multi-level menu effect with gradient fade-in and fade-out and expansion to the right. It involves related skills of jquery mouse events and dynamic style setting of page elements. It has certain reference value. Friends who need it can refer to it.

2016-05-16 comment 0  1311

Article Introduction：PHP website performance optimization can be achieved by: using the XHProf extension to analyze performance bottlenecks. Cache code and data using Opcache and APC extensions. Optimize database queries using PDO extensions and prepared statements. Optimized image processing using the GD library. Reduce load times using gzip compressed output.

2024-05-07 comment 0  780

Article Introduction：How to use PHP to implement data compression and decompression in MongoDB When processing large amounts of data, data compression and decompression is very important. In MongoDB, we can use some functions provided by PHP to achieve this function. This article will introduce how to use PHP and MongoDB to compress and decompress data, and provide corresponding code examples. 1. Install the extension First, we need to install the MongoDB extension for PHP. This can be done via the following

2023-07-07 comment 0  878

Article Introduction： PclZip:强大的PHP压缩与解压缩zip类 PclZip介绍 PclZip library能够压缩与解压缩Zip格式的压缩档（WinZip、PKZIP）；且能对此类类档案进行处理，包括产生压缩档、列出压缩档的内容以及解压 缩档案等等。由于能够在伺服器端进行压缩与解压缩的动作，所以相当方便使用。 PclZip定义一个PclZip类别，其类别

2016-06-13 comment 0  1115

Article Introduction：7. On-demand: Extensible architecture of the website Extensibility: refers to the ability to continuously expand or improve system functions with minimal impact on the existing system. It is the opening and closing principle at the system architecture design level. The architecture design takes into account future functional expansion. When new functions are added to the system, there is no need to modify the structure and code of the existing system. Scalability: refers to the system's ability to enhance (reduce) its own computing and processing capabilities by increasing (decreasing) the scale of its own resources. A. Building a scalable website architecture 1. The greatest value of a software architect does not lie in how many advanced technologies he has mastered, but in the ability to divide a large system into N low-coupling sub-modules. These sub-modules include

2023-05-27 comment 0  1187

Article Introduction：PHP, as a popular programming language, provides many functions for processing files and data. These include functions for compressing and decompressing files. These functions allow developers to easily compress and decompress data in PHP, thereby reducing file size and improving transfer efficiency. This article will introduce how to use compression and decompression functions in PHP. 1. Compress files In PHP, you can use the functions provided by the zlib extension to compress files. To use these functions, you need to ensure that the zlib extension is installed and enabled in PHP. zlib extended

2023-05-19 comment 0  1591