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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17598

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 11309

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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Company Nine: Cooperating with NVIDIA to develop the first generation AMR (autonomous mobile robot), which has entered the late testing stage

Course Introduction：According to news from this website on September 11, Nine Company recently stated in a survey by investors that in addition to intelligent lawn mowing robots, the company's robot business also includes commercial delivery service robots, focusing on indoor delivery scenarios such as hotels and restaurants. At the same time, we are also actively exploring new robot businesses that move "things" over short distances in other scenarios. For example, the first-generation AMR (autonomous mobile robot) developed in cooperation with NVIDIA has entered the late testing stage of product development. In July this year, Nine Company revealed in its financial report that it has cooperated with NVIDIA, Intel, COCO, Goggo, TineMile and other companies to jointly explore the commercialization value of service robots in the field of outdoor distribution. According to the query results of this website, the operating income of No.9 Company in the first half of this year

2023-09-15 comment 0 947

2024Q1 DRAM contract price is expected to increase by 13-18% quarter-on-quarter: TrendForce provides estimated data

Course Introduction：According to news from this website on January 9, TrendForce recently released a report, predicting that global DRAM contract prices will increase by 13-18% in the first quarter of 2024 from the previous quarter, with MobileDRAM continuing to lead the increase. TrendForce reports that the original manufacturer believes that the demand outlook for the whole year of 2024 is still unclear, and it is still necessary to continue to reduce production to maintain the supply and demand balance in the memory industry. Attached to this site are the various DRAM situations: PCDRAM: As the demand for DDR5 orders has not yet been met, and the buyer expects that the price of DDR4 will continue to rise, the buyer's momentum of purchasing goods will continue. However, due to the gradual upgrade of machine models to DDR5, the impact on DDR4 bit purchases will not necessarily expand. However, since the prices of DDR4 and DDR5 have not yet reached the original target,

2024-01-10 comment 0 1067

Honor: Plans to carry out shareholding reform in the fourth quarter of this year, and then launch the IPO process in due course

Course Introduction：According to news from this website on August 5, in response to rumors related to listing, Honor today responded to the Science and Technology Innovation Board Daily and stated that it will always adhere to the principle of open and transparent development and will continue to diversify its shareholding structure. Honor plans to launch corresponding joint-stock reform in the fourth quarter of this year and launch the IPO process in due course. Honor will disclose relevant financial data in the corresponding process. From January 1, 2021 to the present, Honor has not received “support beyond ordinary enterprises” from the Shenzhen government. 1. After the Honor new product launch conference in November last year, Honor CEO Zhao Ming said in an interview that Honor will be listed in China. The specific listing plan will be determined by the shareholders and the board of directors. As CEO, he is mainly responsible for doing good business. Last year, Honor internal documents showed that in order to achieve the next stage of the company’s

2024-08-07 comment 0 754

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 1166

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 1023

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