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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11461

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 17743

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 11447

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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Huawei WATCH FIT 3 is about to be released: larger screen, improved battery life

Course Introduction：There has been news about Huawei WATCHFIT3 watch before, but it is still unknown when it will be released. According to CNMO, a code blogger recently revealed that Huawei WATCHFIT3 is coming, that is, the new product will be released soon. In addition, the blogger also broke the news that Huawei WATCHFIT3 watch will have a larger screen, improved battery life, and can download applications and songs. Huawei WATCHFIT3 renderings. Prior to this, overseas whistleblowers released high-definition renderings of Huawei WATCHFIT3. The picture shows that the screen of Huawei WATCHFIT3 adopts a square shape instead of the previous rectangular shape. The screen borders are narrow, with the four sides basically equal in width, and the corners are rounded. There are two buttons on the right side, namely rotate.

2024-04-23 comment 0 1007

Introduction to the skills and attributes of mini world floating mountains and sea mounts

Course Introduction：The floating mountain and sea in the mini world is a very shocking mount. It not only improves the convenience of the game, but also has unique skills that take your gaming experience to the next level. This type of mount can be obtained by purchasing it from the store or completing specific tasks, and may need to be redeemed using corresponding mount fragments. Mini World Floating Mountains and Seas Mount Skill Attributes Introduction Floating Mountains and Seas HP: 300 Speed: 800 Jump Height: 130 Skill: Mount Baby. After the mount with this skill plays in the map for a period of time, a mount baby will be produced and given to others. Friends are also meaningful. Skills: Four people can travel together, and up to 4 people can ride together to enjoy the game together. Skill: Galaxy shuttle, can fly a certain distance in the air without losing health when falling. How to get it: Purchase in store

2024-03-14 comment 0 1138

Warcraft Exploration Server: There are 2 magical discoveries in Blackrock Abyss, get the rainbow generator, the emperor and the princess' warm dinner

Course Introduction：The P3 phase of the World of Warcraft Discovery Server has been launched, and a new journey of discovery has begun. Some players have made interesting discoveries in Blackrock Abyss. Discovered: Blackrock Depths Hidden Mission Obtain the Rainbow Generator Trinket There is a secret toy to obtain in Blackrock Depths! We just need to complete a simple task and reward you and your brave friends with rainbow generators, stylish shirts and trail mix. There is a bridge on the east side of the circular corridor in Blackrock Abyss, crossing the magma to the north, which is the location shown in Figure X. As we walk onto the bridge, look down and then to the left and just below you on the base of the pillar we will see a friendly Dark Iron Dwarf. Clear out the remaining mobs ahead (including the Blazing Guard and a group of Shadowforged Dwarves). Now it's time to jump! Stand near a small brazier

2024-04-07 comment 0 1228

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 1275

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 1133

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