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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17646

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 11353

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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Pure css3 3D picture cube rotation animation special effects

Course Introduction：Pure css3 3D picture cube rotation animation special effects

2016-07-21 comment 0 2270

Pure css3 realizes 3D picture cube rotation animation special effects

Course Introduction：This article describes the implementation of 3D picture cube rotation animation special effects using pure CSS3. It has certain reference value. Let’s take a look at it together.

2017-05-28 comment 0 3526

How to use CSS rendering? Summary of CSS rendering example usage

Course Introduction：Brief tutorial: This is a realistic car motion animation special effect made using pure CSS3. In this special effect, all elements are rendered through CSS and no images are used. It creates the visual effect of car movement by shaking the road zebra crossing left and right. How to use HTML structure The HTML structure of the entire car motion animation is as follows: <div class="car"> <div class="bo...

2017-06-14 comment 0 2157

How to use css to automatically add a shadow effect when the mouse moves to a div block?

Course Introduction：When we browse major websites, clicking on the pictures may cause special effects such as enlargement or rotation. This effect can indeed make people’s eyes brighter, and it may also bring traffic to users’ clicks. Of course, the powerful CSS functions are not limited to such special effects. This article will introduce to you a more cool special effect, which is the CSS shadow effect produced when the mouse moves into the div block, so that a three-dimensional effect can be immediately produced.

2018-08-10 comment 0 12808

How to customize text color using CSS3's cool glowing text

Course Introduction：This is a text glowing effect based on pure CSS3. When we slide the mouse over the text, the text will simulate a glowing animation, showing a very cool glowing picture. In addition, due to the reference of special fonts, the entire text effect looks like a 3D three-dimensional effect. If your network cannot load these fonts, it may be because the foreign website is blocked, just like Google's font library URL is blocked. That way. Online demo source code download HTML code <div id='container'> <p><a href='#'> ..

2017-03-19 comment 0 2072

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