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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11325

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 11338

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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Optimization of 3D stereoscopic and rotation effects for Vue statistical charts

Course Introduction：Optimization of 3D stereoscopic and rotation effects of Vue statistical charts In the field of data visualization, statistical charts are one of the very important tools. It can transform complex data into a visual form, making it easier for people to understand and analyze the data. In the Vue framework, we can realize the display and operation of statistical charts by introducing some excellent plug-ins. This article will take a histogram as an example to introduce how to use the echarts plug-in in Vue to optimize the 3D stereoscopic and rotation effects of statistical charts. First, we need to install echarts

2023-08-26 comment 0 1626

jQuery and CSS3 3D rotation project display template

Course Introduction：This is a very cool jQuery and CSS3 3D rotation project display template. This template uses CSS3 3D transform to create a 3D cube rotation effect, so that each item will show a cube rotation effect when switching.

2017-01-18 comment 0 1424

CSS drawing fantasy effect: achieving 3D rotating cube effect

Course Introduction：CSS Drawing Fantasy Effects: Realizing 3D Rotating Cube Effect In web development, we often need to use CSS to achieve various fantasy effects, and one of the most popular effects is the 3D rotating cube effect. We can easily achieve this effect through the 3D transformation property of CSS. Below, I will introduce in detail how to use CSS to implement a 3D rotating cube and provide specific code examples. First, we need an HTML structure to host our cube. The code is as follows: <

2023-10-19 comment 0 772

How to use Vue to achieve 3D stereo effect

Course Introduction：How to use Vue to achieve 3D stereoscopic effects Vue is a front-end framework that can be used to build interactive single-page applications. Implementing 3D stereoscopic effects in Vue can add dynamics and visual effects to web pages. This article will introduce how to use Vue to achieve 3D stereoscopic effects and provide some specific code examples. 1. Preparation Before starting, we need to make sure that Vue has been installed. If it has not been installed yet, you can install it through the instructions on the official website (https://vuejs.org/)

2023-11-07 comment 0 1062

CSS drawing: how to achieve simple 3D graphics effects

Course Introduction：CSS Drawing: How to Achieve Simple 3D Graphic Effects In modern web design, to add some dynamics and three-dimensionality to the page, 3D graphic effects are often used. Although in the past, achieving 3D effects may have required the use of JavaScript or a professional 3D engine, CSS is now powerful enough to achieve some simple 3D graphic effects. This article will introduce how to use CSS to draw simple 3D graphics and provide specific code examples. Drawing a Cube To draw a simple cube we can use

2023-11-21 comment 0 1120

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