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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11330

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 11346

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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Tutorial on how to create animated weather icons using pure CSS

Course Introduction：Static weather icons look dull after looking at them for a long time, so below I will share a very creative and creative weather icon that uses CSS to animate the weather band. The code is shared. I hope you can get inspired by using this example as a reference. Enjoy! In this article, we mainly share with you the tutorial on how to use pure CSS to create animated weather icons. We hope it can help you.

2017-12-14 comment 0 2019

CSS3 animation implements 5 preload animation effects

Course Introduction：Achieve the animation effect as shown in the figure: Preload animation 1: Double rotating circle A circle rotating in two different directions. We define a CSS code for the speed of the inner ring, that is, the speed of the inner ring is 2 times faster than that of the outer ring. The implementation is shown in the figure: html code: {code...} css code: {code...} Preload animation two:...

2017-03-22 comment 0 2396

Image Reveal Animation with HTML, CSS, and GSAP

Course Introduction：This article demonstrates a simple image reveal animation when hovering over items. The HTML code represents a section with works, including images and titles. The CSS code provides the necessary styling for the layout and animation. The JavaScript c

2024-11-24 comment 0 508

Detailed introduction to HTML5 custom element playback focus chart animation example code

Course Introduction：This is a focus picture animation based on HTML5. What makes it different from other focus pictures is that it plays not just pictures, but web elements that can be customized and controlled. It not only has a transition animation effect when switching between pictures, but also the elements in the picture will have animation effects when switching, such as text in the picture moving, breaking up, regrouping, etc. This HTML5 animated picture player can be considered high-end and classy. Online demo source code download HTML code <div class='parallax-bg' id='slider-wrap'> <div ..

2017-03-06 comment 0 2434

How to animate mini icons using CSS

Course Introduction：How to use CSS to create mini icon animation effects CSS is a language used to describe the style of web pages and plays a vital role in web design. In addition to controlling the layout and color of web pages, CSS can also achieve some animation effects to add a lively atmosphere to web pages. This article will introduce how to use CSS to create mini icon animation effects and provide specific code examples. First, we need to prepare some mini icon materials. You can download some of your favorite icons from open source icon libraries, such as FontAweso

2023-10-20 comment 0 1019

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