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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11301

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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Hitting the Shanghai International Film Festival | Wang Changtian, Chairman of Enlight Media, talks about new technologies: In the future, VR projection effects may be comparable to those in theaters

Course Introduction：On June 10, at the opening forum of the Shanghai International Film Festival’s Golden Goblet Film Forum with the theme of “Light and Shadow Connecting the World and China”, Wang Changtian, Chairman of Enlight Media Co., Ltd., said that the application of AI technology may transform the main production of animated films. The efficiency of the process has been increased by 50%. "That is to say, we originally planned to release three animated films every year at Enlight Media, but now we have the opportunity to do more than four." In addition, Wang Changtian is very concerned about the changes VR will bring to future film distribution and screening. "For example, in the future, if you buy a movie ticket online, you can go to the cinema to watch it, or you can watch it on your own VR device. You can even see effects comparable to those in a cinema at home." Yu Dong, chairman and president of Bona Film Group Co., Ltd., believes that high technology has great influence on the development of movies.

2023-06-11 comment 0 574

Anami released the StarryKnight SK30 V2 chassis overseas: the cooling effect is improved by 40%, a new USB-C 3.2 Gen2 interface is added, and the price is US$89.99.

Course Introduction：According to news from this site on December 25, ENERMAX today launched a StarryKnightSK30V2 chassis overseas. Compared with the previous generation SK30 chassis, it mainly upgraded the fan and USB-C interface. It sells for US$89.99 (Note from this site: currently about 643 Yuan RMB). This site consulted the official website and learned that the SK30V2 chassis uses a mesh front panel with tempered glass on the side. It is equipped with a tool-free graphics card bracket. It is pre-installed with three 140mm and one 120mm SquARGBADVPWM fans. It is said to have better heat dissipation than the previous generation chassis. The effect is enhanced by 40% and supports the installation of up to nine fans: three 120/140mm fans can be installed in the front position, supporting 120/140/240

2024-01-05 comment 0 980

Magic Ocean 6.27 Answer: Global warming will cause sea levels to rise, and what is the cause of global warming?

Course Introduction：The Alipay Ant Forest Magic Ocean activity has a lot of knowledge about the ocean. Users can answer questions on it every day to learn more. Below, the editor has brought the answers to the Magic Ocean’s marine science question and answer on June 27. Come and take a look. 1. Magic Ocean June 27 answer question: Global warming will cause sea levels to rise, and what is the cause of global warming? Option: Greenhouse gas emissions, astronomical and geological phenomena Answer: Greenhouse gas emissions 2. Answer analysis: Global warming is the main cause of sea level rise. Due to the continuous accumulation of the greenhouse effect, the energy obtained by the earth is greater than the energy radiated, resulting in the overall decline of the earth. The temperature rises. One of the main causes of the greenhouse effect is greenhouse gas emissions, and the largest greenhouse gas is carbon dioxide.

2024-05-05 comment 0 730

'Zenless Zone Zero' Deep Sea Visitor Sound Engine Illustrated Book

Course Introduction：How about the sound engine of "Zero Zero"? Deep Sea Visitor is the S-class audio engine implemented by JueZuZero when the public beta server was launched. It is also the recommended audio engine for the ice team in the popular system when the server is launched. So what are the basic attributes and effects of Deep Sea Visitors? Let us find out next. Zone Zero Deep Sea Visitor Sound Engine Illustrated Book 1. Sound Engine Attributes S-level Sound Engine "Deep Sea Visitor" Note: Level 60 data in parentheses [Basic attributes] Basic attack power: 48 (713) [Advanced attributes] Critical hit rate: 9.6 % (24.0%) 2. Audio engine effect Note: 5★ data in brackets. For [Strong Attack] characters, the following effects can be triggered. "King of Oceans" ice attribute damage increases by 25% (50%); [Normal attack] hits the enemy , the wearer's critical hit rate increases by 10% (2

2024-07-18 comment 0 635

js realizes the special effect of small fish blowing bubbles and swimming on the page_page background

Course Introduction：It is very realistic and written in js. There is a swimming little fish blowing bubbles on the page. For a personal website that loves the ocean, this effect is quite beautiful.

2016-05-16 comment 0 1422

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