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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11340

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 17646

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 11353

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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GIMOK K8 mini console opens for reservation at 10:00: 8845HS, optional AR glasses, starting from 2,499 yuan

Course Introduction：According to news from this site on February 6, GIMOC K8 mini console will open for reservation at 10 o'clock today. This mini console features "8845HS + AR glasses". The first 50 people who place an order will receive a 159 yuan game controller. This site has compiled the specific prices. The information is as follows: "Barebone" model: priced at 2,499 yuan "32GBRAM + 1TB storage space" model: priced at 3,499 yuan "Barebone + AR glasses" model: priced at 4,049 yuan "32GBRAM + 1TB storage space + AR glasses" Model: Price: 5,049 yuan According to reports, the shell of the K8 mini host has been changed from the blue gray of the previous generation K6 to silver gray. It is equipped with a "Zen4" architecture 8-core 16-thread AMD Ryzen 78845HS processor, using a 4nm process and a turbo frequency of 5.1Ghz.

2024-02-06 comment 0 1226

The 'Family' color scheme comes with a TFT color screen, and the Thor ONCE81 three-mode mechanical keyboard is sold for 499 yuan.

Course Introduction：This website reported on July 1 that Raytheon's ONCE81 three-mode mechanical keyboard will go on sale on JD.com at 10 o'clock today. This keyboard uses a Gasket structure and an overall "Family and White" color scheme. The initial price is 499 yuan. According to reports, this keyboard is equipped with a TFT color screen called "ONCE-RETRO", which supports knob control; it also adopts an "ultra-low front height (18mm)" design, is equipped with a 6000 mAh battery, and has 2.4G, Bluetooth and There are three wired connection modes (three-mode), suitable for Mac and Win dual systems. In terms of specifications, this keyboard adopts Gasket structure and uses a flame shaft (note on this site: the official details of the shaft body have not been disclosed yet). It is pre-lubricated at the factory. The low-end version is equipped with PBT two-color injection keycaps, and the high-end version is equipped with PBT double-color injection keycaps.

2024-07-02 comment 0 1022

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 1210

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 1066

charles captures requests in eclipse

Course Introduction：charles captures requests in eclipse

2016-12-02 comment 0 1697

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