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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11302

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 17615

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 11321

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's smart car official website is newly launched, announcing that the new product launch conference is about to be unveiled

Course Introduction：According to news on April 22, Huawei officially announced the launch of its official website for smart car solutions last night, marking the further deepening of the technology giant’s layout in the field of smart driving. According to official website information, the highly anticipated 2024 Huawei smart car solution launch conference is scheduled to be held on April 24, and there will be a one-hour new product release session. At the smart S7 new product launch conference, Huawei executive Yu Chengdong, who holds multiple positions as Huawei's managing director, consumer BG CEO, and smart car solutions BU chairman, revealed Huawei's new trends in smart car selection mode. He said that in addition to the already launched Jie, Zhijie and Enjoyment series, Huawei is also actively preparing for the "fourth world" of smart car selection. Of particular concern is the cooperation between Huawei and Jianghuai Automobile

2024-04-22 comment 0 511

How does Legend Pharmaceutical release product information for investment? Introduction to the operation method

Course Introduction：Legend Pharmaceutical APP is a handheld service software specially created for the pharmaceutical industry. This software is dedicated to establishing a smoother communication mechanism, more convenient product display, faster information query and better quality for both ends of the medical and pharmaceutical industry. Agency service to create a complete Internet pharmaceutical industry. Pharmaceutical companies can also publish the latest drug information through this software. Next, the editor will teach you the specific operation methods. Method introduction: 1. Click the [Publish] button in the middle. There are three types of information to publish. Select "Publish investment products". 2. There are many product types on the page. Select the product type you want to attract investment. Take medical equipment as an example and click on it. 3. Select the four product labels above to proceed to the next step, click

2024-02-14 comment 0 1172

学习Slim Framework for PHP v3 (1)

Course Introduction：学习Slim Framework for PHP v3 (一)　　因为公司的项目用到是slim 框架，所以想把它学习一下。在公司用到是Slim2版本，现在官网已经到达 Slim3的版本了。官网地址：http://www.cnblogs.com/lmenglliren89php/。　　首先按照官网的教程，安装Slim：　　　　1.curl -sS http

2016-06-13 comment 0 1177

BYD Electronics will enter Apple's supply chain after meeting between Wang Chuanfu and Cook revealed

Course Introduction：Recently, Wang Chuanfu, chairman and president of BYD Co., Ltd., appeared at Apple's China headquarters in Shanghai on the afternoon of March 20 and met with Apple CEO Cook. On the same day, Apple's suppliers BYD Electronics, Lens Technology, Changying Precision, etc. demonstrated their smart manufacturing technologies and displayed parts and products produced for Apple. Wang Chuanfu and Cook visited BYD's booth together. The news received widespread attention. On March 21, CNMO noticed that a well-known whistleblower revealed that BYD Electronics will enter Apple's supply chain and add "screen assembly related" business. Official website information shows that BYD Electronics (International) Co., Ltd. was established in Shenzhen in 1995 and listed in Hong Kong in 2007. It is the world's leading platform-based high-end manufacturing company.

2024-03-22 comment 0 395

Samsung releases ViewFinity S9, a 5K professional monitor, leading a new era of high-quality visuals

Course Introduction：According to news on June 29, Samsung’s official website officially launched its first 5K resolution professional display Samsung ViewFinityS9. This product made its debut at the CES2023 exhibition at the beginning of this year. After half a year of anticipation, consumers can finally purchase this high-performance monitor through Samsung’s official website. It is understood that Samsung ViewFinityS9 is a product comparable to Apple Studio Display. It uses a 27-inch IPS screen with a resolution of 5120*2880, a screen ratio of 16:9, and supports a 60Hz refresh rate. The display has excellent picture quality performance, with a high brightness of 600 nits, a contrast ratio of 1000:1 and a response time of 5ms (GTG)

2023-06-29 comment 0 1177

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