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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11312

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 17626

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 11329

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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Detailed introduction to 7 amazing HTML5 particle animation special effects

Course Introduction：One of the great advantages of HTML5 is that it can more conveniently and efficiently create particle animation special effects on web pages, especially the Canvas feature, which can draw any graphics and animation on web pages. This article will share 7 amazing HTML5 particle animation effects. These particle effects provide source code download for everyone to learn. 1. HTML5 Canvas particle simulation effect This is a 30,000 particle animation simulated using HTML5 Canvas. When you move the mouse on the canvas, some particles around the mouse will move with you and form a certain pattern. Just like you are playing with sand art, the effect...

2017-03-06 comment 0 2990

'Jian Wang 3' launches new Lantern Series products, Shenlu box and other external accessories are launched today

Course Introduction：At the time when Jianghu is reunited, the new Lantern Festival series of "Jian Wang 3" is launched today. The bright moon hangs high, the lights are shining, it is gorgeous and dazzling! • Butterfly-themed blond hair and the same dynamic avatar frame • Fan carnival outfit "Fifteenth Night Lantern Viewing" • Particle special effects cloak and new hat • New particle special effects shoulder straps and footprint special effects title • Points feedback and recharge event rewards • Lantern Festival activities The nine-color deer has always been a symbol of luck and auspiciousness, and will be filled with good luck and happiness to everyone who sees it. Now this beautiful prayer is passed on again, and may good things come in pairs in the new year! The sacred deer-themed exterior gift box "Sacred Deer Spiritual Heart" has a colorful and majestic exterior, with exquisite antlers on the top of the head, and a lively and agile sacred deer on the chest, which has a unique mythical charm. Sacred deer waist buckle at waist

2024-02-22 comment 0 1225

'Sword and Expedition' Kachchaqin Bounty Trial Guide to Passing

Course Introduction：Ultra-clear particle special effects, ultimate visual enjoyment, the Kachchachin Bounty Trial in the Chinese-style fantasy world "Sword and Expedition" game has been launched. Many players don't know how to use the Kachchachin Bounty Trial in Sword and Expedition Pass? Below is the guide for passing the Kachchaqin Bounty Trial in "Sword and Expedition" brought to you by the editor. Friends who are interested should take a look. "Sword and Expedition" Kachchaqin Bounty Trial Clearance Guide 1. Sword and Expedition Kachchaqin Bounty Trial Clearance is as follows, you can refer to it. 2. A new trial activity for the Purgatory Painter Kahe Chaqin will be added. The activity will start at 2024/03/2208:00 local time. 3. A new bounty trial event for Purgatory Painter Kahechaqin has been added. At the same time, the guild trial event will also be launched in its trial place. The event will be held at local time: 2024/0

2024-03-27 comment 0 1154

How to install win7 operating system on computer

Course Introduction：Among computer operating systems, WIN7 system is a very classic computer operating system, so how to install win7 system? The editor below will introduce in detail how to install the win7 system on your computer. 1. First download the Xiaoyu system and reinstall the system software on your desktop computer. 2. Select the win7 system and click "Install this system". 3. Then start downloading the image of the win7 system. 4. After downloading, deploy the environment, and then click Restart Now after completion. 5. After restarting the computer, the Windows Manager page will appear. We choose the second one. 6. Return to the computer pe interface to continue the installation. 7. After completion, restart the computer. 8. Finally come to the desktop and the system installation is completed. One-click installation of win7 system

2023-07-16 comment 0 1195

php-insertion sort

Course Introduction：:This article mainly introduces php-insertion sort. Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0 1050

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