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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11327

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 17632

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 11338

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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jQuery mouse hover content animation switching effect implementation code

Course Introduction：This article mainly introduces examples of jQuery mouse hover content animation switching effects. Has very good reference value. Let's take a look with the editor below, I hope it can help everyone.

2018-01-17 comment 0 1948

jquery method to achieve random switching effect of focus image_jquery

Course Introduction：This article mainly introduces the method of jquery to achieve the random switching effect of the focus image, involving the usage skills of jQuery plug-in jquery.easing.1.3.js. It has certain reference value. Friends in need can refer to it.

2016-05-16 comment 0 1100

Use jQuery method to implement the switching function of check box selected state

Course Introduction：jQuery method: realize the switching effect of check box selected state. In web development, the use of check boxes is often involved. Sometimes we need to achieve the switching effect of the selected state of a check box when it is clicked. In this case, we can use jQuery to achieve this. This article will introduce how to use the jQuery method to achieve the switching effect of the selected state of the check box, and provide specific code examples. First, we need to add a simple checkbox element to the HTML file as shown below:

2024-02-26 comment 0 738

How to implement the dynamic switching effect of Baidu login box

Course Introduction：How to achieve the dynamic switching effect of Baidu login box? This article mainly introduces jQuery to realize the dynamic switching effect of Baidu login box. Friends who need it can refer to it. I hope it can help everyone.

2018-01-17 comment 0 1706

jQuery image carousel scroll switching code sharing_jquery

Course Introduction：This article mainly introduces the jQuery image carousel scrolling switching effect. The image carousel effect is particularly suitable for product display. Interested friends can refer to it.

2016-05-16 comment 0 1214

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