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Self-study IT network Linux load balancing video tutorial

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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

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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

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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 plug-in slick implements responsive mobile slideshow image switching effects_jquery

Course Introduction：The jQuery plug-in slick is a responsive, slideable jQuery slideshow plug-in suitable for mobile device touch screens. This slideshow plug-in can set a variety of display effects and can play automatically. It is a mobile-first jQuery slideshow plug-in.

2016-05-16 comment 0 1295

About how to use the jquery.edbox plug-in

Course Introduction：jquery.edbox.js is a lightweight jquery responsive modal window plug-in. With this jquery modal window plug-in, you can easily create responsive, animated, and AJAX-based modal dialog effects.

2018-03-28 comment 0 1976

How to add text to vue clips

Course Introduction：Vue is a popular JavaScript framework that can be used to develop highly responsive web applications. Editing and adding text are core processes in creating videos and animations. In Vue, these functions can be easily implemented using third-party plugins or custom components. Below we will introduce how to use the Vue-Video-Player plug-in and custom Vue components in Vue to realize the functions of editing and adding text. 1. Use the Vue-Video-Player plug-in to edit and add text Vue-Vid

2023-05-08 comment 0 624

What is the reason why ecshop is slow?

Course Introduction：Reasons why ecshop is slow: 1. Improper server configuration. The speed and performance of ecshop are affected by the server configuration; 2. Insufficient database optimization. The database is the core component of ECShop and stores and processes all product information, order data, etc.; 3. Pictures and There are too many or too large static resources. If the web page contains a large number of pictures or other static resources, the time to load these resources will affect the response speed of the website; 4. Conflicts or too many plug-ins and templates will lead to conflicts and performance degradation; 5. If the network environment is unstable and the number of visits is large, the server will be overloaded.

2023-07-13 comment 0 1409

Do you need jquery if you have vue?

Course Introduction：As a front-end developer, whether in web page or application development, we often use JavaScript frameworks to help us quickly develop and implement the required functions. Among them, Vue.js and jQuery are one of the two most common frameworks. Both have high status and influence in market share and the developer community. So do I still need to use jQuery if I have Vue.js? Let’s find out. First, Vue.js and jQuery differ in design and usage. Vue.js is a lightweight

2023-04-17 comment 0 2817

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