Article Introduction：In our daily work, we often participate in some lottery activities, so today we will share with you the PHP winning probability algorithm, which can be used for scratch cards, big wheel and other lottery algorithms. The usage is very simple. There are detailed comments in the code, which can be understood at a glance. Friends who need it can refer to it.

2017-11-15 comment 0  4269

Article Introduction：How to use Vue to implement lottery wheel special effects. As a popular marketing tool, lottery activities often appear in various activities. In order to increase fun and interactivity, we can use the Vue framework to implement a lottery wheel special effect. This article will introduce how to use Vue to achieve this special effect and give specific code examples. First, we need to create a Vue instance to control the status and animation of the turntable. In this example, we need to define the initial state of the wheel, including the prize list, whether the wheel is rotating,

2023-09-19 comment 0  1240

Article Introduction：This article mainly introduces the php winning probability algorithm in detail, which can be used for scratch cards, big roulette and other lottery algorithms. Interested friends can refer to the example of this article to share with you the php winning probability algorithm, which can be used for scratch cards. Card, big wheel and other lottery algorithms are very simple to use. There are detailed comments in the code for your reference. The specific content is as follows<?php/* * Classic probability algorithm, * $proArr is a preset array, *&nbs ...

2017-06-15 comment 0  1891

Article Introduction：This article mainly introduces the php winning probability algorithm in detail, which can be used for scratch cards, big roulette and other lottery algorithms. Interested friends can refer to the example of this article to share with you the php winning probability algorithm, which can be used for scratch cards. Card, big wheel and other lottery algorithms are very simple to use. There are detailed comments in the code for your reference. The specific content is as follows<?php/* * Classic probability algorithm, * $proArr is a preset array, *&nbs ...

2017-06-14 comment 0  2233

Article Introduction：Image rotation is a common effect in web design, which can make web pages more vivid and interesting. In front-end development, we often use jQuery to achieve this effect. This article will introduce how to use jQuery to realize image rotation. 1. To make a picture, you first need to prepare a picture to be rotated. It can be a simple circle, or a complex picture with text and patterns. This article will take a simple circle diagram as an example. 2. Write HTML and CSS code to put the image into the HTML file, as shown below: ```<div class=

2023-05-18 comment 0  594

Article Introduction：Inversion of Control (IoC) is a technique that allows the inversion of control compared to classic procedural code. Of course, the most prominent form of IoC is dependency injection (DI). Laravel's IoC container is one of the most commonly used Laravel features, but probably the least understood. This is a very simple example of using dependency injection to implement inversion of control. <?phpclassJeepWrangler{publicfunction__construct(Petrol$fuel){$this->fuel=$fuel;}publicfunctionrefuel($litres){return$litres*

2023-09-01 comment 0  1369

Article Introduction：PHP function introduction—strtoupper(): Convert a string to uppercase In PHP, we often deal with case conversion of strings. Among them, the strtoupper() function is a very commonly used function, which can convert all letters in a string to uppercase. This article will introduce the use of strtoupper() function in detail and provide some code examples to help you better understand its usage. Using the strtoupper() function is very simple, you only need to provide a

2023-07-24 comment 0  2259

Article Introduction：Powerful JavaScript responsive chart Chartist.jsChartist.js is a very simple and practical JavaScript front-end chart generator. It supports SVG format, chart data conversion is very flexible, and it also supports a variety of chart presentation forms. It can be regarded as a front-end developer development tool. The feature configuration of Chartist.js is very simple and can easily convert various chart data formats. CSS and JavaScript are separated, so the code is relatively concise and relatively easy to use. Using the SVG format,...

2017-06-12 comment 0  1468

Article Introduction：Recently, I am studying a series of HTML5 courses, which cover a lot of content. Although the content is very simple and easy to understand, it is very difficult to remember, such as some properties of CSS3. The CSS3 Loading animation that I will introduce today is also the content introduced in Geek Academy. Interested students can also go and watch the video. Loading one The first loading animation effect is that the picture keeps turning. Let's take a look at the code. First, let's define the HTML code...

2017-05-05 comment 0  1838

Article Introduction：How to convert a string to uppercase in Java using toUpperCase() function of String class In Java, String class is a very commonly used class that provides many methods for processing strings. One very useful method is toUpperCase(), which converts a string to uppercase. The use of toUpperCase() method is very simple, just call this method. Here is a sample code that shows how to use toUp

2023-07-26 comment 0  2455

Article Introduction：Graphic drawing tool - matplotlib installation tutorial 1. Introduction matplotlib is a powerful Python drawing library used to generate various types of graphics, including line charts, scatter plots, bar charts, pie charts, etc. Its installation is very simple and convenient. This article will introduce how to install matplotlib and give specific code examples. 2. Install matplotlib and install Python. First, make sure that Python is installed on your computer. You can find it on the Python official website (

2024-01-09 comment 0  1333

Article Introduction：Chartist.js is a very simple and practical JavaScript front-end chart generator. It supports SVG format and is very flexible in chart data conversion. It also supports a variety of chart presentation forms, making it a development tool for front-end developers. The characteristics of Chartist.js are very simple to configure and can easily convert various chart data formats. CSS and JavaScript are separated, so the code is relatively concise and relatively easy to use. Using SVG format, Chartist.js can be flexibly applied on web pages. Responsive charts that support different...

2017-03-15 comment 0  5362

Article Introduction：Canvas is an important graphics rendering API in HTML5. It provides developers with the ability to draw 2D and 3D graphics in the browser. Canvas can be used to quickly implement various drawing, animation and interactive effects, bringing a richer user experience to web applications. This article will introduce the use of CanvasAPI in detail and provide specific code examples to help readers better master this technology. 1. Basic use of Canvas Using Canvas in HTML documents is very simple.

2024-01-17 comment 0  663

Article Introduction：Tips and key points for implementing matrix transpose in numpy Matrix transposition is a frequently used operation in the fields of data analysis and scientific computing. In numpy, matrix transpose is very simple. This article will introduce the techniques and key points of implementing matrix transposition in numpy, and provide specific code examples. Point 1: T method of numpy array Array objects in numpy can be transposed using the T method. The T method is the transpose operation of the matrix, which returns an array with the opposite shape of the original array. Here is an example of transposing a matrix using the T method

2024-02-18 comment 0  571

Article Introduction：With the development of the Internet, more and more commercial brands are transitioning to online sales. In this context, website design and aesthetics are increasingly valued. However, among these important design factors, CSS style sheets are easily overlooked, which may affect the overall sales of the website. CSS style sheets are the code used to define the appearance of web page elements. Although it may seem like just some simple typography rules, it actually affects the user experience and brand image of the website. Even small modifications can have a huge impact on sales. Therefore, CSS sales modification is very important

2023-04-25 comment 0  599

Article Introduction：Computed attributes We know that some data in the data can be displayed directly in the template through interpolation syntax, but in some cases, we may need to perform some transformations on the data before displaying it, or need to combine multiple data to display in the template Using expressions in can be very convenient to implement, but they are originally designed for simple operations. Putting too much logic in the template will make the template overweight and difficult to maintain, and if it is used in multiple places, Then there will be a lot of repeated code, so we hope to separate the business logic and the UI interface. One way is to extract the logic into a method, but this approach has the following disadvantages. All data usage processes will become one method. Call multiple times to get data

2023-05-13 comment 0  839

Article Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0  1201

Article Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1056

Article Introduction：charles captures requests in eclipse

2016-12-02 comment 0  1689

Article Introduction：Illustrated method to find the path of the PHP configuration file php.ini. Graphical method to find the path of the PHP configuration file php.ini. Recently, some bloggers asked in which directory php.ini exists? Or why does it not take effect after modifying php.ini? Based on the above two questions,

2016-07-13 comment 0  801