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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11277

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 17603

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 11312

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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vue mint-ui imitation Taobao Jingdong delivery address four-level linkage

Course Introduction：This article mainly introduces vue mint-ui to realize the 4-level linkage of provinces, cities and streets (imitation of the 4-level linkage of Taobao and JD.com delivery addresses). It is of great practical value. Friends who need it can refer to it.

2018-01-15 comment 0 3413

便利代理下单的EcStore收货地址一键分析插件，同时支持淘宝/京东/一号店

Course Introduction：方便代理下单的EcStore收货地址一键分析插件，同时支持淘宝/京东/一号店使用EcStore开展分销的网站，代理需要经常代客下单，每个客户收货地址都不同，要选择和填写多个内容才能完成地址输入：省、市、区、详细地址、收货人姓名、手机电话等，非常麻烦，也容易输入错误。安装EcStore收货地址一键分析插件后，就能直接复制在淘宝平台或京东一号店平台上的客户收

2016-06-13 comment 0 941

How to check the courier tracking number on the Jingdong app How to check the courier tracking number

Course Introduction：There are countless good products provided in the Jingdong app software. Basically, a lot of mobile phone users come to buy any product they want every day. Each product is strictly controlled to meet the online shopping needs of different users. The interface of the software is very exquisite. Product sections of different categories are open all day long. There are also dozens of shopping red envelope coupons that can be collected and used for free. You can add your personal delivery address, arrange delivery for online shopping and offline, and automatically generate payment after completion. For orders, you can check the order number and the latest developments in logistics and distribution. You can find whatever you want to buy. You can open the purchase at any time and enjoy the most considerate shopping service. Now the editor will provide JD users with detailed online inquiry of express orders. number method. 1. Open JD.com and click on [My] page

2024-03-12 comment 0 918

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 1174

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 1028

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