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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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Check out these WWDC 2022-inspired wallpapers for your iPhone, iPad, and Mac

Course Introduction：We are finally just days away from WWDC 2022. Unlike the 2021 artwork, which featured several Memoji, Apple is betting on a more sober experience with the Swift logo against a black background. If you're feeling the Worldwide Developers Conference atmosphere, how about changing the background of your device with these WWDC 2022 style wallpapers? 8 wallpapers inspired by WWDC 2022 with a focus on iPhone and iPad. These wallpapers are optimized for iPhone 13 Pro Max but work perfectly on all iPhone models. WWDC 2022 Style Wallpapers

2023-04-13 comment 0 848

Which Apple announcements are you most looking forward to during WWDC 2022?

Course Introduction：Apple’s WWDC 2022 keynote has been announced for June 6th. A few months from now, the Cupertino company could be launching iOS 16, iPadOS 16, macOS 13, watchOS 9, tvOS 16, and (possibly) more. Which Apple announcements are you most looking forward to during WWDC 2022? As of now, we know very little about the upcoming operating system that Apple will unveil during its WWDC 2022 keynote. With the first featured image of the year (which you can check out above), we see that the company is focusing on its Swift coding language, which makes perfect sense since it's

2023-04-14 comment 0 775

New MacBook Air planned to be released at WWDC but not in new colors?

Course Introduction：WWDC 2022 is about to be held, and MacBook Air seems to be the hardware product with the best chance of being released at WWDC. The new MacBook Air has been planned to be released at WWDC, but it will not be available in a variety of colors as expected. If the new MacBook Air is not released at WWDC, the only reason is because the supply chain is affected by the epidemic in China. Earlier, there was news that the MacBook Air will provide a variety of color options like the iMac 24-inch. This rumor may be "exaggerated". He believes that the color options of the new MacBook Air are the same as the current MacBook Air, that is, space gray, silver and gold. However, he thinks gold may become "

2023-04-13 comment 0 1408

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