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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 11371

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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2014 NVIDIA graphics card series ranking

Course Introduction：2014 NVIDIA graphics card series ranking I have compiled four latest hardware ladder charts, including Intel's latest monster i7, and NVIDIA's latest mobile and desktop graphics cards 980 and 970. These four ladder pictures are the CPU and graphics cards of the mobile version and the desktop version respectively, a total of four pictures. Among them, NVIDIA graphics card, the representative color is green, see the picture for details. Intel has a CPU ladder chart and a core graphics card ladder chart. The representative color is blue and the classification is clear. If you have any questions, please ask. The uploaded image may be compressed. If you need the original image, please download the attachment at the bottom. I have compressed and packed the four images into one attachment. It is recommended that you use a tablet or desktop computer to view it, as it may be inconvenient to download attachments on your mobile phone. Put preview image

2024-01-10 comment 0 1277

Memblaze previews its first domestically produced SSD to be released on September 3

Course Introduction：This website reported on August 23 that Memblaze, nicknamed "Little Dolphin" according to its corporate trademark, today announced that its first domestically produced solid-state drive will be released at the 2024 Open Data Center Conference on September 3. Memblaze wrote in the official announcement picture: "PCIe5.0|A double leap in performance and energy efficiency." It is expected that this new domestic solid-state drive will support the PCIe5.0 interface. Memblaze has previously announced that its new PBlaze solid-state drive, developed based on Alibaba Pingtouge Semiconductor's PCIe5.0 NVMe main control chip Zhenyue 510, Yangtze Storage's new generation NAND flash memory and the company's independent unified architecture platform MUFP, is expected to be unveiled "this fall". And on June 7 this year

2024-08-23 comment 0 479

iQOO 11S supercomputer independent graphics chip debuts, becoming the Android flagship choice!

Course Introduction：On July 4th, according to iQOO official news, a much-anticipated new phone launch conference will be held at 7 o’clock tonight. At this conference, iQOO will officially release its new flagship mobile phone iQOO11S. This phone is hailed as one of the most powerful flagships of the iQOO brand to date, and its configuration information has been gradually revealed in continuous warm-ups. According to iQOO officials, iQOO11S will use the second-generation Snapdragon 8 mobile platform to bring excellent processing performance to users. It is worth mentioning that iQOO will be the world’s first supercomputing independent graphics chip, which will further improve the graphics processing and gaming performance of mobile phones. The machine will also be equipped with up to 16GB of LPDDR5X running memory and 1TB of UFS4.0 flash memory to provide users with greater storage.

2023-07-12 comment 0 1440

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 1221

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 1077

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