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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11350

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 17653

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 11367

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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10 recommended articles about H5 pages

Course Introduction：With the popularity of mobile terminals, more and more websites are currently using HTML5 technology. The use of H5 technology makes it no longer necessary for enterprises to build websites for different terminals. A responsive website can solve PC, mobile phone and micro-sites. It intelligently adapts to various terminal devices, saves the company's website building costs, and greatly increases the user experience. The following are 5 simple and elegant h5 page templates recommended by the PHP Chinese website. Welcome to download! 1. HTML5 simple and elegant online appointment registration hospital website template effect demonstration and download address: //m.sbmmt.com/xiaza...

2017-06-11 comment 0 4572

Web performance test example design analysis

Course Introduction：First, why perform performance testing? Poorly performing applications often fail to deliver the expected benefits to the business, cost a lot of time and money, but lose credibility among users. Compared with functional testing and acceptance testing, performance testing is easily overlooked, and its importance is often realized only after performance and scalability issues are encountered after release. A website performance test case is shared. A website provides membership template download, upload, purchase, payment and other functions. It is currently entering the performance testing stage. Through the performance requirements, it can be understood that the following performance indicators need to be tested: ● Product page refresh performance ● Product upload performance ●Product download performance currently provides the following indicators: Delay: Test item response time jitter Remarks Product page refresh

2023-05-26 comment 0 1558

Detailed graphic and text explanation of the HTML5 web porting version of 'StarCraft' project launched by GitHub users

Course Introduction：As early as the era of dial-up Internet access, the game "Starcraft" attracted countless netizens to play online. However, a GitHub user named "Ryuta" successfully ported it to the Web. Of course, this is thanks to HTML5. The biggest advantage of the web version of the game is that it does not require the time-consuming installation required by traditional clients. Still, this port demonstrates basic control components, and you can enter combat and even see the game's global animations. Although this work is still in the demo stage for the time being, I believe there will be enthusiasts to further improve it. Down..

2017-03-07 comment 0 2024

The vivo X Fold3 series of foldable screen phones will support 5.5G and will gradually start OTA push in April

Course Introduction：According to news on March 30, vivo announced today that the vivoXFold3 series and vivoX100 series will soon support 5.5G (5G-A) mobile communications, with network speeds increased by up to 300%, and OTA push will be gradually launched in April. Prior to this, vivo product manager Han Boxiao said that "everyone will enter the 5.5G era after April" and included a picture of the vivoX100Pro mobile phone being tested for speed. As can be seen in the picture, the vivoX100Pro mobile phone being tested displays the "5GA" logo in the status bar. At the same time, the current page of the mobile phone shows that the download speed reaches 3619.19Mbps and the upload speed reaches 160.75Mbps. On March 28, China Mobile announced 5GAdvance

2024-03-30 comment 0 1012

PHP-FPM optimization example: how to improve the operating efficiency of Magento website

Course Introduction：PHP-FPM optimization example: How to improve the operating efficiency of Magento website Introduction: Magento is a powerful open source e-commerce platform that provides great convenience for opening stores and selling products online. However, due to the complexity and resource consumption of Magento, sometimes the operating efficiency is reduced and the page loading time is too long. This article will introduce how to improve the operating efficiency of Magento website through PHP-FPM optimization, and give specific code examples. 1. Install and configure PHP-

2023-10-05 comment 0 1391

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