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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11329

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 11344

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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How to create a floating ad using JavaScript to create a floating ad code_javascript skills

Course Introduction：If you have a certain JavaScript foundation, it is relatively easy to create floating ads. I simply made one in my spare time. Interested friends can refer to it.

2016-05-16 comment 0 1180

js floating ad implementation code_javascript skills

Course Introduction：The js floating advertisement implementation code is essentially a small picture that scrolls back and forth. It is also a form of advertising. Friends who need it can save it.

2016-05-16 comment 0 1230

jQuery implements scalable advertising special effects code at the top of the homepage_jquery

Course Introduction：A set of advertising special effects code implemented using the jQuery plug-in. Its effect is similar to a full-screen advertisement. After opening the web page, a large advertisement is displayed on the first screen of the web page. After staying for a few seconds, it slowly expands to a standard small image and is displayed in the reserved position on the web page. The effect Very good, I recommend it to everyone.

2016-05-16 comment 0 2024

How to create a dynamic image carousel using HTML, CSS and jQuery

Course Introduction：How to use HTML, CSS and jQuery to create a dynamic image carousel. In website design and development, image carousel is a frequently used function for displaying multiple images or advertising banners. Through the combination of HTML, CSS and jQuery, we can achieve a dynamic image carousel effect, adding vitality and appeal to the website. This article will introduce how to use HTML, CSS and jQuery to create a simple dynamic image carousel, and provide specific code examples. Step 1: Set up HTML junction

2023-10-25 comment 0 1349

js implements full-screen floating ads when the cursor stops moving_advertising code

Course Introduction：This article mainly introduces the effect of js full-screen floating ads when the cursor stops moving. Please refer to it for reference.

2016-05-16 comment 0 1257

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