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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11302

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 17615

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.

Band of Brothers front-end example display video tutorial

Course Advanced 11321

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.

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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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PHP carousel lottery demo

Course Introduction：: This article mainly introduces the PHP carousel lottery demo. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 978

H5+PHP big carousel lottery - create the best interactive experience

Course Introduction：A successful lottery requires many preparations, and creating an excellent H5 PHP carousel lottery page is a crucial step. Below, we will share some designs and techniques to help you create an H5 PHP carousel lottery page with the best interactive experience.

2023-03-21 comment 0 1558

jQuery implements carousel lottery with pop-up window and number of times (code)

Course Introduction：What this article brings to you is about the jQuery implementation of the carousel lottery (code) with pop-up windows and times. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

2019-03-29 comment 0 2256

Case Analysis of Implementing Roulette Lottery Algorithm Using PHP

Course Introduction：This time I will bring you a case analysis of using PHP to implement the carousel lottery algorithm. What are the precautions for using PHP to implement the carousel lottery algorithm? The following is a practical case, let's take a look.

2018-05-16 comment 0 3159

H5PHP application: Create a unique big wheel lottery event

Course Introduction：The Big Roulette Lottery has always been an effective way to attract users to participate. Through a highly interactive and interesting lottery form, more users can be attracted to participate and the participation and dissemination of the event can be improved. In today's Internet era, with the help of H5 technology and PHP language, we can easily create a unique big carousel lottery event. Next, we will introduce how to use H5 and PHP to build a big carousel lottery event, and give specific code examples. 1. Preparation work Before starting to build the big carousel lottery event, we first need to accurately

2024-03-04 comment 0 426

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