Course Elementary 20776
Course Introduction:Use PDO mode (PHP data object) to connect and select databases (unified operation of various databases), execute SQL statements and process result sets
Course Intermediate 8310
Course Introduction:"JS Abstract Class and Event Design Pattern Video Tutorial", JavaScript is a literal scripting language, a dynamically typed, weakly typed, prototype-based language with built-in support for types. Its interpreter is called the JavaScript engine, which is part of the browser and is widely used in client-side scripting languages. It was first used on HTML (an application under Standard Universal Markup Language) web pages to add dynamic functions to HTML web pages. .
2019-12-05 20:34:28 0 9 1533
Give away mystery eggs! [6.16 Free Public Welfare Live Class Activity Post]
2021-06-16 11:21:40 4 132 12425
Design a database table structure that meets the following business requirements?
2018-03-14 23:00:16 0 1 1245
Send Wen Xin Yi Yan account! 【Select the course you think is the best】
2023-02-08 22:25:38 0 99 11321
2020-03-30 14:47:51 0 0 913
Course Introduction:What are the rewards for Ruyuan’s reservation lottery? Ruyuan has launched a reservation lottery. The second period of the lottery will start from August 15th and end on August 30th. The total value of the lottery prizes in this period exceeds 400,000. You can get the number of draws by just making a reservation. Many players are curious about the prize pool. What prizes are there? The editor has compiled an overview of the prize pool for everyone. Let’s take a look. Ruyuan Pre-registration Lottery Prize Pool Content Introduction The second phase of the prize pool will start from 10:00 on August 15th and end at 09:59 on August 30th, and then the third phase of the prize pool will open. How to obtain the number of draws: 1. Make a reservation through the official website. 2. Follow the official social media account of “Ruyuan” on all platforms to make reservations. 3. Go to the Apple store or Android platform to make an appointment. 4. Invite friends to make an appointment. Obtain up to 16 lottery draws, detailed information on how to obtain them
2024-09-27 comment 0 613
Course Introduction:抽奖概率为:奖品总数为概率 =================================== 项目3 抽奖程序 分时间段 =================================== 数据库: activity_lyq_lottery奖品表lotteryidname礼品名称sum礼品总数time_start开始时间time_end结束时间addtime时间prob
2016-06-06 comment 0 1587
Course Introduction: PHP抽奖算法问题现在要做一个抽奖的活动 中奖概率具体如下:一等奖 5%二等奖 10%三等奖 60%参与奖 25%我的思路很笨 :我是随机一个0-100的数,然后按照中奖概率 来划分区间 一等奖 96-100二等奖 86-95三等奖 26-85参与奖 1-25没接触过算法 请大神们帮忙------解决方案-----------
2016-06-13 comment 0 833
Course Introduction:This article mainly introduces the implementation of the jquery carousel lottery function. The effect achieved is a nine-square grid carousel lottery. It is a particularly widely used carousel lottery method. Interested friends can refer to it.
2018-05-19 comment 0 2055
Course Introduction:在电视节目中有一种抽奖形式暂且叫做翻板抽奖,台上有一个墙面,墙面放置几个大方块,主持人或者抽奖者翻开对应的方块即可揭晓中奖结果。类似的抽奖形式还可以应用在WEB中,本文将使用PHP+jQuery为您讲解
2016-05-30 comment 0 964