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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11366

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 17666

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 11381

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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Dropbox announces end of 'unlimited space' policy for Advanced subscription plans to address chronic abuse issues

Course Introduction：According to news from this site on August 28, cloud storage service provider Dropbox recently announced that due to a large number of customers on the platform who subscribe to the Advanced plan, using the "unlimited space" policy provided by the plan to mine virtual digital currencies, Dropbox decided to change its subscription policy. Starting from now, the Advanced subscription plan will be reduced from "unlimited space" to "only providing 15TB of storage space." ▲Image source Dropbox official website After inquiry, we learned that Dropbox provided a total of 5 paid subscription plans in the past, including Personal Edition (Plus), Professional Edition (Professional), Small Team Edition (Standard), Advanced Team Edition (Advanced), and E for large enterprises

2023-09-10 comment 0 1396

Lian Li will launch Lamborghini co-branded O11D EVO RGB chassis, equipped with carbon fiber trim

Course Introduction：According to news from this site on June 14, Lian Li’s official The chassis continues the overall design of the original O11DEVORGB with a 270° sea view, and is decorated with co-branded elements: the Lamborghini trademark is printed on the lower part of the front glass, the surface of the front right column is made of carbon fiber, and the center of the right panel is embedded with a limited number. Co-branded nameplate. For reference, the regular version of the O11DEVORGB chassis supports E-ATX motherboards and is compatible with 455.7mm long graphics cards, 167mm high CPU radiators and 220mm long power supplies. The top and bottom are each equipped with a 1.5mm wide L-shaped ARGB light strip. Ordinary version O

2024-06-14 comment 0 570

Teach you how to use a USB flash drive to install the system on your computer

Course Introduction：This article will introduce to technology enthusiasts and novice computer and mobile phone users how to use a USB flash drive to install the system on the computer. We will provide detailed operation guides and practical suggestions to help readers better understand the relevant knowledge. Tool materials: Computer brand and model: XXX brand XXX model Operating system version: Windows 10 Software version: Rufus3.13 1. How to prepare U disk and system installation files 1. Please make sure you have a U disk with a capacity greater than or equal to the system image file , and plug it into your computer. 2. Download and prepare the system installation files suitable for your computer brand and model. You can download the latest system image file from the official website or other trusted sources. 3. Make sure your computer is connected to a stable network so that you can download additional files when needed.

2024-04-07 comment 0 601

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 1222

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 1080

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