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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11273

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 17597

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 11309

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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The latest summary of 2022 New Year's Day special effects codes [Recommended]

Course Introduction：Welcome the New Year with joy! New Year’s Day 2022 is approaching, hurry up and make your website festive! PHP Chinese website summarizes and recommends the latest New Year's Day special effects codes for everyone, including various New Year's Day countdowns and related animation special effects codes to celebrate the arrival of 2022. Welcome to click on the corresponding link in the article to preview online and download for free!

2021-12-30 comment 0 5584

Samsung Galaxy Z Fold6 folding screen mobile phone pink model renderings first exposed, released on July 10

Course Introduction：IT House reported on June 27 that Samsung will hold a Galaxy Unpacked new product launch conference in Paris on July 10, when the foldable phones Galaxy ZFold6 and ZFlip6 are expected to be unveiled at the event. PassionateGeekz website has now shared a set of appearance renderings of Galaxy Z Fold6. ▲Image source PassionateGeekz website, the same rendering as this exposure shows three colors of pink, blue and silver. The most eye-catching one is undoubtedly the pink color scheme. The square and tough appearance seems to have a little "tenderness". In addition to the above color combinations, blogger @i冰Cosmos revealed that Samsung Galaxy Z Fold6 is also available in black and white on the online market.

2024-08-21 comment 0 843

Samsung Galaxy Z Fold6 folding screen mobile phone pink model renderings first exposed, released on July 10

Course Introduction：According to news on June 27, Samsung will hold a Galaxy Unpacked new product launch conference in Paris on July 10, when the foldable mobile phones Galaxy Z Fold 6 and Z Flip 6 are expected to be unveiled at this event. PassionateGeekz website has now shared a set of appearance renderings of Galaxy Z Fold6. ▲Image source PassionateGeekz website, the same rendering as this exposure shows three colors of pink, blue and silver. The most eye-catching one is undoubtedly the pink color scheme. The square and tough appearance seems to have a little "tenderness". In addition to the above color matching, blogger @ibinguniverse revealed that Samsung Galaxy Z Fold6 is also available in black and white on the online market. as the picture shows

2024-06-28 comment 0 384

'Alien' release time prediction

Course Introduction：When will Alien Ring be launched? After the release of PV, it attracted the attention of many players, so the editor will also share the estimated launch time of the alien ring below, and friends in need can refer to it. "Foreign Ring" launch time prediction 1. It is expected to be officially launched at the end of 2025, and the first test will start at the end of 2024. 2. The game is now open for reservation. Players only need to go to the official website to make a reservation to get rich reservation rewards. 3. Currently, the official has released PV and real machine demonstration videos. 4. When the countdown ends at 10 a.m. on July 18 (Thursday), all official PVs of the game may be released.

2024-07-19 comment 0 1043

7 Reasons to Love JavaScript

Course Introduction：JavaScript is a dynamic programming language used to create websites, online applications, video games, and many other things. You can add dynamic website features that are not possible using HTML and CSS alone. JavaScript is a programming language widely used by browsers to create dynamic online content. Whenever you see a drop-down menu that you can click to display, add more content to your website, or dynamically change the color of elements on the page (to name just a few features), you're likely seeing the results of JavaScript. 7 Reasons to Love JavaScript In most cases, it is as valid as any other programming language and usually has the best applications. Therefore, I recommend using Python for machine

2023-09-06 comment 0 1430

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