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Course Advanced 2759

Course Introduction：1. Introduction to WeChat mini programs. 2. Mini program front-end page. 3. Implementation of mini program functions.

Self-study IT network Linux load balancing video tutorial

Course Intermediate 11361

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.

Shangxuetang MySQL video tutorial

Course Advanced 17663

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.

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Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

2023-09-05 15:06:32

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in php any value has a unique string representation (such as the php code itself). I post this question to speed up the design process of this program. Some values are easily converted to strings: numbers, booleans, etc. Some are not easy: objects, arrays, resources. I think the transfer object and

2023-09-05 15:34:44

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How to quickly build the WeChat mini program mall backend with PHP

Course Introduction：With the rise of WeChat mini programs, more and more companies have begun to pay attention to and develop WeChat mini program businesses, especially mini program malls. As the backend development tool for mini program malls, PHP is both free and open source and can help companies quickly build the backend of WeChat mini program malls. This article introduces how to use PHP to quickly build the backend of a WeChat mini program mall. 1. Preparation work Before starting the construction, we need to prepare the following tools: PHP operating environment; MySQL database; WeChat applet AppID and AppSecret. in,

2023-05-31 comment 0 2852

How to implement WeChat mini program mall in PHP

Course Introduction：With the development of mobile Internet, WeChat mini programs have become an important means of marketing and promotion for many companies. In mini programs, the mall function has become a top priority. This article will introduce how to implement WeChat Mini Program Mall in PHP. 1. Development environment construction Before implementing the WeChat mini program mall, we need to build a suitable development environment. First, we need to install the PHP environment and MySQL database. Next, we need to download and install the applet development tool, and then create a new applet in the development tool

2023-05-21 comment 0 2102

About the mall development of WeChat mini programs (ecshop)

Course Introduction：This article mainly introduces relevant information on simple examples of WeChat mini program mall development (ecshop). Friends in need can refer to it.

2018-06-23 comment 0 4813

Dynamic API developed by WeChat mini program mall to classify products (code)

Course Introduction：The content of this article is about the dynamic API developed by WeChat Mini Program Mall to classify products (code). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

2018-08-16 comment 0 5533

WeChat Mini Program Shopping Mall System Development Series-Tools

Course Introduction：Since the WeChat mini program was opened to public beta, it has become popular in various technical communities overnight. It is estimated that everyone is familiar with it, so I won’t go into details about its future value. In a simple sentence: Mini Programs can be simply understood as a new operating system and a new ecology. In the future, most application scenarios will be given to WeChat Mini Programs. Programs are developed. Based on the awe of it and the convenience for everyone to get started quickly, we have specially compiled a series of WeChat mini program mall development. We will continue to add WeChat mini program technical articles in the future, so that everyone can fully understand how to quickly develop a WeChat mini program mall.

2017-02-16 comment 0 2975

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