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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11337

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 17638

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 11351

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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CSS and JS realize the beautiful starry sky trajectory movement effect

Course Introduction：This article mainly shares with you a beautiful starry sky trajectory motion effect achieved using CSS+JS. The effect is very realistic. The editor below brings you an example code. Friends who need it can refer to it. I hope it can help you.

2018-01-31 comment 0 2841

JS implementation of intermittent scrolling motion effect example

Course Introduction：This article mainly introduces the motion effect of intermittent scrolling using JS, and involves related operating techniques for dynamically changing page elements triggered by javascript timers. Friends in need can refer to the following

2016-12-22 comment 0 1394

tween.js in js realizes the effect of slow movement of animation (example code)

Course Introduction：What this article brings to you is about the effect of slow movement of animation using tween.js in js (example code). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

2018-08-15 comment 0 3462

How to implement a simple left and right movement effect in JavaScript

Course Introduction：Note: This article assumes that readers have basic knowledge of the JavaScript language. JavaScript is a widely used programming language that is especially important in front-end development. Among them, DOM (Document Object Model) is the bridge between JavaScript and HTML, allowing developers to manipulate HTML elements through JS code. In this article, we will learn how to use JavaScript to implement a simple left and right movement effect. First, we need to create an HTML page and add two buttons ("To

2023-04-25 comment 0 3193

JS realizes the slider movement effect in response to mouse clicks in web games_javascript skills

Course Introduction：This article mainly introduces JS to realize the effect of slider movement in web games in response to mouse clicks. It involves JavaScript operation techniques for page mouse events, scroll events and element attributes. It has certain reference value. Friends who need it can refer to it.

2016-05-16 comment 0 1504

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