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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11371

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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The latest summary of 2022 New Year's Day special effects codes [Recommended]

Course Introduction：Welcome the New Year with joy! New Year’s Day 2022 is approaching, hurry up and make your website festive! PHP Chinese website summarizes and recommends the latest New Year's Day special effects codes for everyone, including various New Year's Day countdowns and related animation special effects codes to celebrate the arrival of 2022. Welcome to click on the corresponding link in the article to preview online and download for free!

2021-12-30 comment 0 5622

jquery cancels show animation

Course Introduction：When using jQuery to write dynamic web pages, the show() function is used to display an element on the page. It is usually used in conjunction with the hide() function to achieve dynamic display and hiding effects. The show() function will use animation effects to display elements by default, but sometimes we need to cancel its animation effects to achieve a more natural and concise page display effect. So how to cancel the animation effects of the show() function? Method 1: Use the fast parameter. The show() function has three parameters: speed, easing and callb.

2023-05-23 comment 0 575

How to achieve the reflection effect of pictures in water with jquery

Course Introduction：With the continuous development of Internet technology, the level of web design is getting higher and higher, and more and more special effects and animation effects are being applied to web design. Among them, the reflection effect in water is a very popular effect. It can make ordinary pictures more interesting and attractive, and make web pages more vivid. This article will introduce how to use jQuery to achieve the reflection effect of pictures in water. 1. Effect implementation ideas Let’s first look at the implementation ideas of the reflection effect in the picture: 1. In the HTML page, use a div container to contain two sub-elements: a picture element and a

2023-04-26 comment 0 625

The production process of the 2014 Christmas countdown webpage_html5 tutorial skills

Course Introduction：Today I would like to share with you a countdown web tutorial for the upcoming Christmas season in 2014. The editor of iCoding shares with you a 2014 Christmas countdown webpage. The date card of the day has a jittering effect. Friends who need it can refer to it.

2016-05-16 comment 0 1576

How to quickly master the production method of CSS3 animation effects

Course Introduction：How to quickly master the production method of CSS3 animation effects CSS3 animation is a commonly used effect in web design, which can add a lively feeling to web pages and improve user experience. This article will introduce several commonly used CSS3 animation effects production methods, and come with code examples to help readers quickly master the skills of making CSS3 animations. 1. Basic animation translation Translation refers to the effect of elements moving along the X-axis or Y-axis. By using the CSS3 "transform" property and the "translate" function to combine "a

2023-09-08 comment 0 1599

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