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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11319

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 17629

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 11331

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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Cooler Master Sneaker

Course Introduction：This website reported on February 14th that Cooler Master had previously displayed a SneakerX shoe-shaped computer host, which imitated the appearance of sports shoes. The national bank price of the machine has now been released. This is a red and white sneaker PC host equipped with a mini-ITX motherboard, 850WSFX gold medal full-module power supply, 360 integrated water cooling, and a size of 650x306x348mm. This site found that the Chinese version of the machine is available in AMD and Intel versions: the AMD version is equipped with Ryzen 97950X3D processor + RX7900XTX graphics card, equipped with 64GBDDR56000MHz memory and 4TB PCIe4.0SSD, as well as Wi-Fi6E + Bluetooth 5.2 + wired network port . Intel

2024-02-15 comment 0 430

Where can we find the sports ppt template?

Course Introduction：PPT is now widely used, and many different styles of content can be reflected in PPT. PPT can be produced with different themes or templates. However, if you want to make it yourself, it can be said that you must first have certain design skills before you can complete it. So, can we find ready-made templates to use? If we want to make a sports ppt, where can we find these resources? In fact, first of all, we can turn to the Internet. Many forums or professional websites on the Internet have template materials that can be downloaded. Of course, in order to save money, in fact, we can also use computers to create With template. 1. First, we open the software, and then click the "File"-"New" button in the upper left menu bar. 2. In terms of template selection, the ones downloaded and paid from the Internet are more beautiful.

2024-03-20 comment 0 1070

Weibo: Crack down on 'paid hot searches”, and illegal corporate topics will not be included for 3 to 6 months

Course Introduction：According to news from this website on July 2, Weibo official stated that it is actively carrying out a special crackdown on illegal Internet products. During the continuous verification of topics related to the "Internet trolls paid for hot searches" reported by the central media, it was found that some companies have purchased Internet black products are used to increase sales and promote rankings, and linked media are engaged in illegal marketing in non-compliant ways. Weibo stated that the site supports corporate users’ legal and compliant brand building, publicity and promotion, and co-construction and cooperation within the platform. Illegal marketing behaviors that damage the platform’s business network environment not only harm the legitimate rights and interests of the majority of users, but also harm the legitimate rights and interests of other corporate users. Infringement of regulatory marketing rights. This site is attached with typical cases officially announced by Weibo: Case 1: An e-commerce app has long-term planning social topics with media accounts such as "XX Decision" to promote corporate public relations and image, and place orders.

2024-07-02 comment 0 793

What should I do if Win7 prompts that the driver is missing or damaged? Solution to Win7 prompt that the driver is missing or damaged

Course Introduction：Although the Win7 system is relatively balanced, it still encounters some problems when using it. Some friends receive a message prompting that the driver is missing or damaged during the boot process. Faced with such a situation What should we do? Let’s take a look at the solutions with the editor below. What should I do if Win7 prompts that the driver is missing or damaged? 1. If you cannot enter the security center, you can use the PE tool to repair it. First, prepare a USB boot disk. For detailed instructions, please refer to other tutorials on this website; 2. After inserting the USB boot disk, Turn on the computer and hold down the run shortcut key. The key will be different for different brands of computers. It is usually F12. Select the USB option to enter the U disk run; 3. Select the PE system.

2023-07-16 comment 0 2297

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