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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11357

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 17659

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 11370

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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php网站模板

Course Introduction：求一个php网站模板　我不是想不劳而获，希望大家别误解，公司老板逼着俺作出个网站来，我们都建议找专业公司制作一个，老板以为做网站像组装一台电脑那样，做好了就可以永久访问了，所以不答应购买一个网站，现在我已经购买了域名，Win server的机器也有了，求一个普通的php网站模板，或者哪些网站有提供下载/学习的？有谁能提点

2016-06-13 comment 0 1023

Baotu.com official website login entrance

Course Introduction：Baotu official website login entrance: https://ibaotu.com/. Baotu.com is an online material trading website owned by Shanghai Baotu Network Technology Co., Ltd. It was launched in July 2016. The main service is to provide materials in the form of pictures, videos, audios, psd source files, etc. The content section of Baotu.com has ten categories: advertising design, photography, fonts, UI design, e-commerce Taobao, multimedia, office documents, decoration and models, illustrations and graphics, and 3D materials. Baotu.com official website login portal Baotu.com official website login portal link: https://ibaotu.com/Main categories of advertising design: posters, exhibition boards, leaflets, albums, business cards, certificates, resumes, etc.; photography: natural Scenery, business office, catering beauty

2024-06-11 comment 0 779

The trend-setting F5 full-tower case is equipped with AN140 ARGB static pressure fans and supports back-mounted motherboards

Course Introduction：According to news from this website on January 21, Yingguang has launched a new upright full-tower chassis F5, which adopts a quick-detachable front panel design and comes standard with three latest NeptuneAN140 static pressure fans. It supports multiple cooling modes and supports graphics cards. Vertical mounting and back-mounting motherboards. The Yingguang F5 was first exposed at the Taipei Computex 2023. It adopts a quick-detachable front panel design, and users can adjust the configuration according to their preferences. As shown in the picture, the black version provides Morandi-colored glass and black dust-proof net, while the white version uses natural maple panels with white dust-proof net; the side panels use 3mm tempered glass, and both sides adopt screw-free quick-release design . This case provides spacious internal space and supports E-ATX, ATX, Micro-ATX, and Mini-ITX motherboards

2024-01-22 comment 0 563

Qiaosibo N4 8-bay NAS case is now available: black walnut solid wood veneer, built-in 120mm fan, priced at 599 yuan

Course Introduction：According to news from this website on March 5, Qiao Sibo recently launched an N48 bay NAS mini chassis on JD.com. The chassis is mainly used in the field of home office and network storage, priced at 599 yuan. In terms of appearance, this chassis is available in black and white dual versions. It adopts an upper and lower compartment structure design. The mainboard compartment supports MATX motherboards and half-height expansion cards. It also supports push-down radiators. The front panel vents are decorated with 8mm thick black walnut solid wood. plate. In terms of parameters, this chassis measures 286mmx300mmx228mm, has a built-in 120mm fan, has 4 half-height PCI slots, and can store 8-bay hard drives. Four 3.5-inch hard drives can be installed on the left side and support hot swapping; 2 can be installed on the right side. One 3.5-inch hard drive or two 2.5-inch hard drives, not supported

2024-03-06 comment 0 945

Xiaomi MIX Fold 4 folding screen mobile phone unveiled: thin and light body, four rear Leica cameras

Course Introduction：Thanks to netizens Qianruo Xiamo, Eddie Xiang, and StarDevOps for submitting clues! According to news on July 16, Xiaomi officially released a warm-up video of the MIX Fold4 folding screen mobile phone today. It announced the appearance and blue color of the mobile phone for the first time, and called it a "fully equipped flagship with big discounts." 1. Appearance: Xiaomi MIX Fold 4 adopts a thin and light body design and the color is blue. The back cover is decorated with bright spots, and the camera module is pure black with a round shape. The module has four built-in Leica cameras. Internal screen: Xiaomi MIX Fold4 adopts an internal folding solution. There is a camera in the upper left corner of the inner screen. Xiaomi MIX Fold 4 folding screen mobile phone has passed 3C network access certification, and the back rendering has also been exposed. The aircraft supports Tiantong satellite communications, 5G-enhanced mobile broadband

2024-07-17 comment 0 1116

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