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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11336

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 11350

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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'Honkai Impact: Star Dome Railway' Day 5 Walkthrough of Void Realm Taste Exploration

Course Introduction：How to spend the fifth day of the Collapse Star Dome Railway Void Realm Taste Exploration? The final fifth-day level of the Collapse Star Railroad Void Realm Taste Quest has been released. Many players are very curious about how to challenge the fifth-day level. Players need to face the Great Guardian Cocolia in this level. , the detailed method of dealing with Cocolia can be learned in the detailed guide with pictures and texts on the fifth day of the Void Realm Taste Exploration, let us take a look together. "Honkai: Star Dome Railway" Void Realm Taste Exploration Day 5 Guide 1. Lineup selection: Trial Topa + Trial Huo Huo + output with additional attack + auxiliary. Equipment requirements: Increase the speed as much as possible. Recommended pursuit output: Xueyi, Doctor Truth. Auxiliary recommendations: Esta, Guinaifen, Xiluwa, Ruan Mei. 2. Scent plug-in selection: gardenia + green onion. Analysis: by gardenia

2024-01-23 comment 0 857

'Honkai Impact: Star Rail' Day 2 Clearance Guide for Void Realm Taste Quest

Course Introduction：How to clear the level on the second day of Collapse Star Dome Railway Void Realm Taste Exploration? The second day of the Collapse Star Dome Railway Void Realm Flavor Exploration has started today. Many players want to know how to play today’s level. Today, the editor has brought you the second day of the Void Realm Flavor Exploration. The level guide allows you to use a low-profile lineup to complete the challenge. The detailed content can be found in the detailed graphic guide for the second day of Virtual Realm Taste Detective. Let’s take a look! "Honkai Impact: Star Dome Railway" Virtual Realm Taste Quest Day 2 Clearance Strategy 1. Lineup Selection: Trial Drinking Moon, Trial Ruan Mei, Imaginary Number Vice C, and Survival Position. Imaginary number deputy C recommendation: Doctor Truth, Walter, Yu Kong and other characters. Survival position recommendation: Rakshasa, Fu Xuan, Natasha, Lingke and other characters. 2. Scent plug-in selection: plum blossom and mustard flavor. Analysis: The fragrance of plum blossoms increases

2024-01-19 comment 0 1016

'Honkai Impact: Star Dome Railway' Day 3 Walkthrough of Void Realm Taste Exploration

Course Introduction：How to complete the third day of the Collapse Star Dome Railway Void Realm Taste Exploration? Collapse Star Railroad Void Realm Taste Exploration has brought the latest third day level. Many people are very curious about how to complete the challenge of the third day level. Players need to defeat Yan Qing today. The editor is here Today’s lineup recommendations and play methods are provided here. The detailed content can be found in the detailed graphic and text guide for the third day of Virtual Realm Flavor Detective. Let’s take a look! Guide to the third day of "Honkai Impact: Star Rail" Void Realm Exploration 1. Lineup selection: Trial Blade, Trial Bronya, Thunder System or Imaginary Number Complex C, a survival position that can unlock control. Relic requirements: The faster, the better. Deputy C recommends: Yue Yue, Yu Kong, Doctor Truth, Jing Yuan, Kafka, Shiluwa, etc. Survival recommendations: Rakshasa, Fu Xuan, Ling Ke. 2. Smell plug-in selection: seafood

2024-01-20 comment 0 587

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 1208

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 1063

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